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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 66. Отображено 66.
03-05-2018 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

Номер: WO2018080167A1
Автор: PARK, Chang Soo, HAN, Kyu-Seok, JOO, Hyung Don, SEO, Jin-Wook, KIM, Woo-Sin
Принадлежит:

A grain-oriented electrical steel sheet according to one embodiment of the present invention comprises, in percentage by weight: 1.0 to 7.0% of Si; 0.001 to 0.1% of B; and 0.005 to 0.5% of Ba and Y, either alone or in combination with each other, with the balance being Fe and other unavoidable impurities.

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Номер записи: 1
01-07-2015 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND METHOD TO MANUFACTURE SAME

Номер: KR1020150073550A
Автор: JOO, HYUNG DON, KO, HYUN SEOK, PARK, HYUNG KI, LIM, JAE SOO, SEO, JIN WOOK
Принадлежит:

Disclosed is an oriented electrical steel sheet. According to an embodiment of the present invention, a method to manufacture the oriented electrical steel sheet comprises the steps of: providing a slab including 2.2-4.5 wt% of Si, 0.020-0.040 wt% of acid soluble Al; less than or equal to 0.50 wt% of Mn (exclusive of 0 wt%), 0.0020-0.010 wt% of N, 0.02-0.08 wt% of C, less than or equal to 0.010 wt% of S (exclusive of 0 wt%), and residual Fe and other inevitable impurities; heating the slab, hot rolling the same, and manufacturing a hot rolled steel sheet; hot rolling the hot rolled steel sheet, and manufacturing a cold rolled steel sheet; primarily recrystallization-annealing the cold rolled steel sheet; and finally annealing an electrical steel sheet which is primarily recrystallization-annealed, wherein the average size of the primary recrystallized particles is 17-23 μm after the primary recrystallization is completed. COPYRIGHT KIPO 2015 ...

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Номер записи: 2
03-07-2018 дата публикации

METHOD FOR MANUFACTURING ORIENTED ELECTRICAL STEEL SHEET

Номер: KR1020180074455A
Автор: KO, KYUNG JUN, JOO, HYUNG DON, LEE, SANG WOO, YANG, IL NAM
Принадлежит:

A method for producing an oriented electrical steel sheet according to an embodiment of the present invention includes: heating a slab satisfying the following Expression 1 and containing 3.2 to 4.0 wt% of Si, 0.03 to 0.09 wt% of C, 0.015 to 0.040 wt% of Al, 0.04 to 0.15 wt% of Mn, 0.001 to 0.005 wt% of N, 0.01 wt% or less of S (excluding 0 wt%), and the remainder including Fe and other unavoidable impurities; hot-rolling the slab to produce a hot rolled sheet; annealing the hot-rolled sheet for 30 to 300 seconds at a cracking temperature of 900 to 980 degrees Celsius; cold-rolling the hot-rolled sheet after annealing of the hot-rolled sheet to produce a cold-rolled sheet; performing primary recrystallization annealing on the cold rolled sheet; and performing secondary recrystallization annealing on the cold-rolled sheet. [Expression 1] [Mn] × [S] <= 0.0004 (In Expression (1), [Mn] and [S] are the Mn and S contents (wt%) of the slab, respectively). COPYRIGHT KIPO 2018 ...

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Номер записи: 3
28-06-2016 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020160074350A
Автор: KO, HYUN SEOK, JOO, HYUNG DON, HAN, KYU SEOK, LIM, JAE SOO, SEO, JIN WOOK
Принадлежит:

According to an embodiment of the present invention, the manufacturing method of the oriented electrical steel sheet comprises: a step of providing a slab including 1.0-4.0 wt% of silicon (Si), 0.1-0.4 wt% of carbon (C), 0.002-0.05 wt% of phosphorus (P), and iron (Fe) and unavoidable impurities; a step of heating the slab; a step of manufacturing a hot-rolled steel sheet by performing hot rolling of the slab; a step of performing annealing of hot-rolled sheets for the hot-rolled steel sheet; a step of performing cold rolling of the annealed hot-rolled steel sheet; a step of decarbonizing annealing the cold-rolled steel sheet; a step of performing cold rolling of the steel sheet for which decarbonizing annealing is completed; and a step of finally annealing the steel sheet for which cold rolling is completed. The slab comprises: 0.002 wt% or higher and 0.02 wt% or lower of antimony (Sb); 0.002 wt% or higher or lower than 0.03 wt% of tin (Sn); or a combination of the two. The present invention ...

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Номер записи: 4
24-08-2016 дата публикации

무방향성 전기강판 및 그 제조방법

Номер: KR0101650849B1
Автор: 주형돈, 박형기, 서진욱, 고현석, 한규석, 임재수
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 무방향성 전기강판의 제조방법은, 중량%로, C: 0.005%이하(0%를 포함하지 않는다), Si: 2.2% 내지 4.5%, Al: 0.02% 내지 0.1% 및 Mn: 0.5%이하(0%를 포함하지 않는다)을 포함하고, Sn 및 Sb: 단독 첨가되거나 복합 첨가되어 0.1% 내지 0.25% 를 포함하며, 잔부는 Fe 및 기타 불가피하게 첨가되는 불순물을 포함하는 슬라브를 가열한 후 열간압연하여 열연판을 제조하는 단계; 상기 열연판을 1차 소둔하는 단계; 상기 1차 소둔이 완료된 강판을 냉간압연하여 냉연판을 제조하는 단계; 및; 상기 냉연판을 2차 소둔하는 단계를 포함한다.

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Номер записи: 5
23-03-2016 дата публикации

MANUFACTURING METHOD FOR GRAIN NON-ORIENTED ELECTRICAL STEEL AND GRAIN NON-ORIENTED ELECTRICAL STEEL MANUFACTURED BY THE METHOD

Номер: KR0101605791B1
Автор: 고현석, 주형돈, 서진욱, 임재수, 한규석, 박형기
Принадлежит: 주식회사 포스코

... 철손과 자속밀도가 동시에 우수한 무방향성 전기강판의 제조방법 및 이 방법에 의해 제조된 무방향성 전기강판을 제공한다. 본 실시예에서 슬라브1.0중량% 내지 4.0중량%의 실리콘(Si), 0.1중량% 내지 0.4중량%의 탄소(C), 잔부 철(Fe), 및 기타 불가피한 불순물을 포함하는 슬라브를 제조한 다음 슬라브를 재가열하고 열간압연 및 냉간압연을 실시한 다음 최종 마무리 소둔공정에서 탈탄소둔을 실시한다. 탈탄소둔은 위의 조성을 갖는 슬라브의 페라이트-오스테나이트 상변태 온도 범위에서 실시하여 큐브-파이버 집합조직의 분율이 γ-파이버 집합조직의 분율보다 높게 한다.

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Номер записи: 6
27-04-2017 дата публикации

COMPOSITION FOR FORMING INSULATION FILM OF ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR FORMING INSULATION FILM BY USING SAME, AND ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION FILM FORMED THEREIN

Номер: WO2017069336A1
Автор: HAN, Min Soo, JOO, Hyung Don, PARK, Hyung Ki, SHIN, Jae-Keun, KIM, Chang-Soo
Принадлежит:

The present invention relates to a composition for forming an insulation film of an oriented electrical steel sheet, a method for forming an insulation film by using the same, and an oriented electrical steel sheet having an insulation film formed therein, the composition containing: (A) a first component comprising a composite metal phosphate, a derivative thereof, and a mixture thereof; and (B) a second component including two or more types of colloidal silica having different average particle diameters.

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Номер записи: 7
04-05-2018 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020180045504A
Автор: PARK, CHANG SOO, HAN, KYU SEOK, JOO, HYUNG DON, SEO, JIN WOOK, KIM, WOO SIN
Принадлежит:

An oriented electrical steel sheet according to one embodiment of the present invention comprises: 1.0-7.0 wt% of Si; 0.001-0.1 wt% of B; 0.005-0.5 wt% of Ba and Y individually or as in a sum thereof; and the remaining including Fe and other inevitable impurities. COPYRIGHT KIPO 2018 ...

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Номер записи: 8
01-07-2015 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

Номер: KR1020150073840A
Автор: PARK, HYUNG KI, JOO, HYUNG DON, SONG, DAE HYUN, HAN, KYU SEOK, KO, KYUNG JUN
Принадлежит:

Provided are an oriented electrical steel sheet and a method for manufacturing the same. The oriented electrical steel sheet according to an embodiment of the present invention includes a 2.0-4.5% of Si, 0.03-0.08% of C, 0.02-0.08% of Sn, 0.01-0.1% of Mo and Fe and extra inevitable impurities for a remaining part as wt%, wherein Mo (wt%)+0.5Sn (wt%) is 0.03 to 0.12. COPYRIGHT KIPO 2015 ...

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Номер записи: 9
23-06-2016 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2016099191A1
Автор: HAN, Kyu-Seok, JOO, Hyung Don, PARK, Jong-Tae, SEO, Jin-Wook, KO, Hyun-Seok
Принадлежит:

A method for manufacturing a grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises the steps of: manufacturing a hot rolled sheet by heating a slab comprising 0.0005-0.015 wt% of N, 0.0001-0.020 wt% of Ti, 0.0001-0.020 wt% of V, 0.0001-0.020 wt% of Nb, 0.0001-0.020 wt% of B, and the balance of Fe and other inevitable impurities, and then hot rolling the same; annealing the hot rolled sheet; manufacturing a cold rolled sheet by cooling the steel sheet in which the annealing of the hot rolled sheet has been completed, and then cold rolling the same; decarbonization-annealing the cold rolled sheet, and then nitride-annealing the same, or simultaneously carrying out decarbonization-annealing and nitride-annealing; and finally annealing the steel sheet in which decarbonization-annealing and nitriding annealing have been completed.

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Номер записи: 10
02-04-2020 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

Номер: WO2020067724A1
Автор: KO, Kyung-Jun, JOO, Hyung Don, LEE, Sang-Woo
Принадлежит:

A method for manufacturing a grain-oriented electrical steel sheet according to an embodiment of the present invention comprises: a step for hot-rolling a slab to produce a hot-rolled sheet; a step for cold-rolling the hot-rolled sheet to produce a cold-rolled sheet; a step for subjecting the cold-rolled sheet to primary recrystallization annealing; and a step for subjecting the primary recrystallization annealing-completed cold-rolled sheet to secondary recrystallization annealing, wherein the primary recrystallization annealing step includes a preceding step and a subsequent step, and the amount (A) of nitriding gas introduced in the preceding step with respect to the total amount (B) of nitriding gas introduced in the primary recrystallization annealing step satisfies expression 1 below. [Expression 1]: 0.05≤[A]/[B]≤[t] (In expression 1, the amount of nitriding gas introduced is in units of Nm3/hr, and [t] represents the thickness (mm) of a cold-rolled sheet.) ...

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Номер записи: 11
28-06-2018 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2018117674A1
Автор: PARK, Chang Soo, HAN, Kyu-Seok, JOO, Hyung Don, KIM, Jae Kyoum, KIM, Woo-Sin
Принадлежит:

A grain-oriented electrical steel sheet according to an embodiment of the present invention comprises, in terms of weight%, 1.0-7.0% of Si, 0.005-0.5% of Y, and the remainder Fe and other unavoidable impurities, wherein the oriented electrical steel sheet comprises, per unit of l mm2, ten or fewer inclusions comprising Y and having a diameter of 30nm to 5μm.

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Номер записи: 12
28-06-2018 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2018117642A1
Автор: JOO, Hyung Don, HAN, Min Soo, PARK, Hyung Ki, LEE, Sang Woo, SEO, Jin-Wook
Принадлежит:

According to one embodiment of the present invention, a grain-oriented electrical steel sheet comprises, by wt%, 1.0-7.0% of Si, 0.005% or less of C (excluding 0%), 0.001-0.5% of In, and the balance of Fe and other inevitably mixed in impurities.

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Номер записи: 13
16-11-2018 дата публикации

방향성 전기강판 및 이의 제조방법

Номер: KR0101919521B1
Автор: 박창수, 한규석, 주형돈, 김재겸, 김우신
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 방향성 전기강판은 중량%로, Si: 1.0 내지 7.0% 및 Y:0.005 내지 0.5%를 포함하고, 잔부는 Fe 및 기타 불가피한 불순물을 포함하고, Y를 포함하고 직경이 30nm 내지 5㎛인 개재물을, 1mm2 면적당 10개 이하로 포함한다.

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Номер записи: 14
08-07-2016 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR101633255B1
Автор: HAN, KYU SEOK, JOO, HYUNG DON, PARK, JONG TAE, SEO, JIN WOOK, KO, HYUN SEOK
Принадлежит: POSCO

According to an embodiment of the present invention, a manufacturing method of a grain-oriented electrical steel sheet comprises: a step of manufacturing a hot rolled sheet by heating a slab and performing hot rolling of the heated slab, wherein the slab includes 0.0005-0.015 wt% of N, 0.0001-0.020 wt% of Ti, 0.0001-0.020 wt% of V, 0.0001-0.020 wt% of Nb, 0.0001-0.020 wt% of B, and the remaining consisting of Fe and inevitable impurities; a step of annealing the hot rolled sheet; a step of manufacturing a cold rolled sheet by performing cold rolling of the annealed hot rolled sheet; a step of performing nitriding annealing after decarburization annealing as the cold rolled sheet, or performing the decarburization annealing and nitriding annealing at the same time; and a step of finally annealing the steel sheet after the decarburization annealing and the nitriding annealing are completed. COPYRIGHT KIPO 2016 ...

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Номер записи: 15
04-07-2019 дата публикации

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

Номер: WO2019132379A1
Автор: JOO, Hyung Don, KO, Kyung-Jun, LEE, Sang-Woo, SEO, Jin-Wook
Принадлежит:

Disclosed is a method for producing a grain-oriented electrical steel sheet, comprising: a step of heating a slab comprising, by weight%, Si: 2.0 to 6.0%, Sol.Al: 0.02 to 0.4%, Mn: 0.2% or less (excluding 0%), C: 0.04 to 0.07%, N: 0.002 to 0.0055%, S: 0.002 to 0.0055%, Sb: 0.01 to 0.15%, and the balance being Fe and inevitable impurities, wherein heating is performed such that N employed in the slab is 15 ppm or less and S is 20 ppm or less; a step of producing a hot rolled sheet by hot rolling the slab; a hot-rolled-sheet annealing step of annealing the hot rolled sheet; a step of producing a cold rolled sheet by cold rolling the hot-rolled-sheet annealed hot rolled sheet; a step of primarily recrystallization annealing the cold rolled sheet; and a step of secondarily recrystallization annealing the primarily recrystallization annealed cold sheet, wherein the hot-rolled-sheet annealing step heats the hot rolled sheet to a heating temperature (Th) that satisfies formula 1 below, and maintains ...

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Номер записи: 16
01-02-2017 дата публикации

COMPOSITION FOR FORMING INSULATION FILM OF ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR FORMING INSULATING FILM USING SAME, AND ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION FILM

Номер: KR101701193B1
Автор: HAN, MIN SOO, JOO, HYUNG DON, PARK, HYUNG KI, SHIN, JAE KEUN, KIM, CHANG SOO
Принадлежит: POSCO

The present invention relates to a composition for forming an insulation film of an oriented electrical steel sheet comprising: a first component (A) comprising a complex metal phosphate, a derivative thereof, or a mixture thereof; and a second component (B) comprising two or more kinds of colloidal silica having different average particle diameters, and a method for forming an insulating film using the same, and an oriented electrical steel sheet having an insulation film. COPYRIGHT KIPO 2017 (AA) Reducing crystallinity degree (BB) Silica (CC) Magnesium phosphate (DD) Average intensity per second ...

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Номер записи: 17
19-09-2016 дата публикации

방향성 전기강판 및 이의 제조방법

Номер: KR0101657466B1
Автор: 고현석, 서진욱, 한규석, 주형돈
Принадлежит: 주식회사 포스코

... 본 발명의 일 구현례에 의한 방향성 전기강판의 제조방법은, 중량%로, Si:1.0% 내지 4.0% 및 C:0.1% 내지 0.4%를 포함하고 잔부는 Fe 및 기타 불가피하게 혼입되는 불순물을 포함하는 슬라브를 제공하는 단계; 상기 슬라브를 재가열하는 단계; 상기 슬라브를 열간 압연하여 열연 강판을 제조하는 단계; 상기 열연 강판을 열연판 소둔하는 단계; 상기 열연판 소둔된 열연 강판을 냉간 압연하는 단계; 상기 냉간 압연된 강판을 탈탄 소둔하는 단계; 상기 탈탄 소둔이 완료된 강판을 냉간 압연하는 단계; 및 상기 냉간 압연이 완료된 강판을 최종 소둔하는 단계를 포함하며, 상기 최종 소둔 단계는 승온 단계, 제 1 균열 단계, 및, 제 2 균열 단계를 포함하되, 상기 승온 단계에서 700℃ 까지의 승온 속도는 100℃/s 이상 및 400℃/s 이하일 수 있다.

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Номер записи: 18
04-07-2016 дата публикации

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020160078182A
Автор: JOO, HYUNG DON, PARK, HYUNG KI, SEO, JIN WOOK, KO, HYUN SEOK, HAN, KYU SEOK, LIM, JAE SOO
Принадлежит:

A manufacturing method of a non-oriented electrical steel sheet by an embodiment of the present invention comprises: 0.005 wt% or less of C (excluding 0 wt%), 2.2-4.5 wt% of Si, 0.02-0.1 wt% of Al, and 0.5 wt% or less of Mn (excluding 0 wt%). The present invention also includes 0.1-0.25 wt% of Sn and Sb by being added solely or complexly. The manufacturing method comprises: a step of manufacturing a hot rolled plate by performing a hot rolling operation after heating a slab whose remaining consists of Fe and inevitably added impurities; a step of primarily annealing the hot rolled plate; a step of manufacturing a cold rolled plate by performing a cold rolling operation on the steel sheet complete with the primary annealing; and a step of secondarily annealing the cold rolled plate. COPYRIGHT KIPO 2016 ...

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Номер записи: 19
01-07-2015 дата публикации

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD TO MANUFACTURE SAME

Номер: KR1020150073798A
Автор: JOO, HYUNG DON, KO, HYUN SEOK, PARK, HYUNG KI, SEO, JIN WOOK, LIM, JAE SOO
Принадлежит:

Disclosed are a non-oriented electrical steel sheet, and a method to manufacture the same. The non-oriented electrical steel sheet comprises: less than or equal to 0.005 wt% of C (excluding 0 wt%); 2.2-4.5 wt% of Si; less than or equal to 0.1 wt% of Mn (excluding 0 wt%); 0.001-0.005 wt% of S; 0.02-0.1 wt% of Al; 0.1-0.3 wt% of at least one of Sn and Sb; and residual Fe and other unavoidably added impurities satisfying F_{111}+F_{112} <= 50%. COPYRIGHT KIPO 2015 ...

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Номер записи: 20
28-06-2018 дата публикации

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

Номер: WO2018117671A1
Автор: KO, Kyung Jun, JOO, Hyung Don, LEE, Sang Woo, YANG, Il Nam
Принадлежит:

A method for producing a grain-oriented electrical steel sheet according to an embodiment of the present invention comprises the steps of: heating a slab satisfying the following formula 1 and including, by wt%, 3.2 to 4.0% of Si, 0.03 to 0.09% of C, 0.015 to 0.040% of A1, 0.04 to 0.15% of Mn, 0.001 to 0.005% of N, 0.01% or less of S (exclusive of 0%), and the balance of Fe and other inevitable impurities; hot rolling the slab to produce a hot rolled sheet; hot band annealing the hot rolled sheet to at a cracking temperature of 900 to 980°C for 30 to 300 seconds; cold rolling the hot rolled sheet, which has completely been hot band annealed, to produce a cold rolled sheet; subjecting the cold rolled sheet to primary recrystallization annealing; and conducting secondary recrystallization annealing for the cold rolled sheet which has completely been primary recrystallization annealed. [Formula 1]. [Mn] X [S] < 0.0004 (wherein [Mn] and [S] are contents (wt%) of Mn and S in the slab, respectively ...

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Номер записи: 21
01-08-2018 дата публикации

방향성 전기강판 및 이의 제조방법

Номер: KR0101884428B1
Автор: 박창수, 한규석, 주형돈, 서진욱, 김우신
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 방향성 전기강판은 중량%로, Si: 1.0 내지 7.0%, B: 0.001 내지 0.1% 및 Ba 및 Y를 각각 단독 또는 합량으로 0.005 내지 0.5% 포함하고, 잔부는 Fe 및 기타 불가피한 불순물을 포함한다.

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Номер записи: 22
11-10-2018 дата публикации

다채널 멀티 재생 시스템 및 방법

Номер: KR0101906947B1
Автор: 주형돈, 구주완
Принадлежит: 한화테크윈 주식회사

... 본 발명은 다채널 멀티 재생 시스템 및 방법에 관한 것으로, 본 발명의 일 실시예에 따르면, 채널 및 시간 선택 정보를 입력받는 입력 모듈; 상기 채널 및 시간 선택 정보를 입력할 수 있도록 화면의 영역 별로 채널 및 시간을 선택할 수 있는 인터페이스를 제공하고, 상기 사용자 인터페이스를 이용하여 시간 및 선택 정보를 참조하여 선택 정보에 대응되는 영상을 조합하여 전체 영상을 생성하는 제어부; 상기 조합된 영상을 출력하는 출력 모듈; 을 포함한는 다채널 멀티 재생 시스템이 제공된다.

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Номер записи: 23
02-07-2015 дата публикации

MANUFACTURING METHOD FOR NON-ORIENTED ELECTRICAL STEEL SHEET AND NON-ORIENTED ELECTRICAL STEEL MANUFACTURED BY SAME

Номер: KR1020150074914A
Автор: KO, HYUN SEOK, JOO, HYUNG DON, SEO, JIN WOOK, LIM, JAE SOO, HAN, KYU SEOK, PARK, HYUNG KI
Принадлежит:

The present invention provides a manufacturing method for a non-oriented electrical steel sheet having low iron loss and high magnetic flux density and a non-oriented electrical steel manufactured by the same. According to an embodiment of the present invention, the manufacturing method for a non-oriented electrical steel sheet includes: a step of manufacturing a slab composed of 1.0-4.0 wt% of silicone (Si), 0.1-0.4 wt% of carbon (C), a remaining amount of iron (Fe), and impurities; a step of reheating, hot-rolling, and cold-rolling the slab; and a step of decarbonization-annealing the slab in a finishing annealing process. The decarbonization-annealing is carried out in a ferritic-austenitic phase change temperature range of a slab having the above composition to make the percentage of a cube-fiber texture be higher than the same of a γ- fiber texture. COPYRIGHT KIPO 2015 ...

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Номер записи: 24
30-06-2017 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

Номер: KR1020170074478A
Автор: JOO, HYUNG DON, PARK, HYUNG KI, SEO, JIN WOOK, LEE, SANG WOO
Принадлежит:

According to one embodiment of the present invention, an oriented electrical steel sheet comprises: 2.0-7.0 wt% of silicon (Si); 0.005 wt% or less (except 0) of carbon (C); 0.05 wt% or less (except 0) of aluminum (Al); 0.005 wt% or less (except 0) of nitrogen (N); 0.005 wt% or less (except 0) of sulfur (S); 0.001-0.3 wt% or each of barium (Ba) and yttrium (Y) or a combined amount of the Ba and the Y; and the balance of Fe and extra inevitable impurities. COPYRIGHT KIPO 2017 ...

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Номер записи: 25
02-10-2015 дата публикации

MANUFACTURING METHOD FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET

Номер: KR0101557138B1
Автор: 주형돈, 한규석, 고현석, 임재수, 서진욱
Принадлежит: 주식회사 포스코

... 방향성 전기강판의 제조방법이 개시된다. 본 발명의 일 구현예는, 중량 퍼센트(wt%)로, Si: 2.0~4.0%, C: 0초과 0.085%이하, 산가용성 Al: 0.015~0.04%, Mn: 0초과 0.20%이하, N: 0초과 0.004%이하, S: 0초과 0.004%이하를 함유하고 잔부 Fe 및 기타 불가피하게 혼입되는 불순물로 이루어지는 슬라브를 제조하는 단계; 상기 슬라브 내의 Mn을 함유하는 황화물 및 Al를 함유하는 질화물의 석출물을 완전 용체화할 수 있도록 상기 완전 용체화 온도 이상의 온도인 1160 내지 1280℃의 범위에서 상기 슬라브를 재가열하는 단계; 상기 재가열된 슬라브를 열간압연한 후 열연판 소둔을 실시하거나 생략하고 냉간압연하는 단계; 냉연판을 300℃/sec이상의 평균승온속도로 승온하는 초급속승온과정과, 상기 초급속승온과정 후에 상기 초급속승온과정에서의 평균승온속도보다 낮으면서 100℃/sec이상인 평균승온속도로 승온하는 급속승온과정과, 상기 급속승온과정 후 에 상기 급속승온과정에서의 평균승온속도보다 낮은 평균승온속도로 승온하는 일반 승온과정을 포함하는 3단 승온패턴에 의해 1차재결정소둔하는 단계; 상기 1차재결정소둔된 냉연판에 대하여 동시 탈탄 및 질화소둔을 수행하는 단계; 및 상기 상기 탈탄 및 질화소둔된 냉연판을 최종소둔하는 단계;를 포함하되, 상기 최종소둔 후의 강판의 평균 결정립 크기가 22 ㎛ 이상이고, 상기 평균 결정립 크기에 대한 결정립 크기의 표준편차가 0.7 이하인 방향성 전기강판 제조방법을 제공한다.

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Номер записи: 26
17-09-2018 дата публикации

방향성 전기강판의 제조방법

Номер: KR0101899453B1
Автор: 고경준, 주형돈, 이상우, 양일남
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 방향성 전기강판의 제조방법은 중량%로, Si: 3.2 내지 4.0%, C: 0.03 내지 0.09 중량%, Al: 0.015 내지 0.040%, Mn: 0.04 내지 0.15%, N: 0.001 내지 0.005%, S: 0.01% 이하(0%를 제외함) 및 잔부는 Fe 및 기타 불가피한 불순물을 포함하고, 하기 식 1을 만족하는 슬라브를 가열하는 단계; 슬라브를 열간압연하여 열연판을 제조하는 단계; 열연판을 900 내지 980℃의 균열 온도에서 30 내지 300초 동안 열연판 소둔하는 단계; 열연판 소둔이 완료된 열연판을 냉간압연하여 냉연판을 제조하는 단계; 냉연판을 1차 재결정 소둔하는 단계; 및 1차 재결정 소둔이 완료된 냉연판을 2차 재결정 소둔하는 단계를 포함한다. [식 1] [Mn] × [S] ≤ 0.0004 (단 식 1에서, [Mn] 및 [S]는 각각 슬라브 내의 Mn 및 S의 함량(중량%) 이다.) ...

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Номер записи: 27
19-09-2016 дата публикации

방향성 전기강판 및 이의 제조방법

Номер: KR0101657467B1
Автор: 고현석, 주형돈, 한규석, 임재수, 서진욱
Принадлежит: 주식회사 포스코

... 본 발명의 일 구현례에 의한 방향성 전기강판의 제조방법은, 중량%로, Si:1.0% 내지 4.0% 및 C:0.1% 내지 0.4%, P:0.002% 내지 0.05% 를 포함하고 잔부는 Fe 및 기타 불가피하게 혼입되는 불순물을 포함하는 슬라브를 제공하는 단계; 상기 슬라브를 가열하는 단계; 상기 슬라브를 열간 압연하여 열연 강판을 제조하는 단계; 상기 열연 강판을 열연판 소둔하는 단계; 상기 열연판 소둔된 열연 강판을 냉간 압연하는 단계; 상기 냉간 압연된 강판을 탈탄 소둔하는 단계; 상기 탈탄 소둔이 완료된 강판을 냉간 압연하는 단계; 및 상기 냉간 압연이 완료된 강판을 최종 소둔하는 단계; 를 포함하되, 상기 슬라브는 Sb: 0.002중량%이상 0.02중량%이하, Sn: 0.002중량%이상 0.03중량%미만, 또는 이들의 조합을 포함한다.

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Номер записи: 28
02-06-2016 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2016085022A1
Автор: KO, Hyun-Seok, HAN, Kyu-Seok, PARK, Hyung-Ki, SEO, Jin-Wook, LIM, Jae-Soo, JOO, Hyung Don
Принадлежит:

A grain-oriented electrical steel sheet and a manufacturing method therefor are disclosed. According to one embodiment of the present invention, the method for manufacturing a grain-oriented electrical steel sheet comprises the steps of: providing a slab comprising 1.0-4.0 wt% of Si, 0.1-0.4 wt% of C, and the balance of Fe and other impurities inevitably mixed; reheating the slab; manufacturing a hot rolled steel sheet by hot rolling the slab; decarbonization-annealing the hot rolled steel sheet; cold rolling the hot rolled steel sheet which has been decarbonization-annealed; decarbonization-annealing the cold rolled steel sheet; and final-annealing the steel sheet in which cold rolling has been completed.

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Номер записи: 29
04-07-2019 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

Номер: WO2019132378A1
Автор: JOO, Hyung Don, KO, Kyung-Jun, LEE, Sang-Woo, SEO, Jin-Wook
Принадлежит:

Introduced is an oriented electrical steel sheet, comprising, in percentage by weight, 2.0 to 7.0% of Si; 0.005% or less of C (excluding 0%); 0.001 to 0.05% of N; and 0.001 to 0.5% of In, at least one of 0.03 to 0.5% of Cu; 0.005 to 0.1% of Bi; 0.03 to 0.5% of V; 0.03 to 0.5% of Nb; 0.03 to 0.5% of Te; and 0.03 to 0.5% of Mo, the balance being Fe and unavoidable impurities.

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Номер записи: 30
28-06-2018 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2018117599A1
Автор: KIM, Jae-Kyoum, JOO, Hyung Don, HAN, Kyu-Seok, PARK, Chang Soo, PARK, Yu Jun
Принадлежит:

A grain-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 1.0% to 7.0% of Si, 0.005% or less (excluding 0%) of C, 0.001% to 0.02% of N, 0.005% to 0.5% of Ba, 0.005% to 0.25% of V, and the balance of Fe and other inevitable impurities. A grain-oriented electrical steel sheet according to another embodiment of the present invention comprises, by wt%, 1.0% to 7.0% of Si, 0.005% or less (excluding 0%) of C, 0.001% to 0.02% of N, 0.005% to 0.5% of Ba, 0.5% to 2.5% of Cr, and the balance of Fe and other inevitable impurities.

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Номер записи: 31
02-07-2018 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL PLATE AND MANUFACTURING METHOD THEREOF

Номер: KR1020180073339A
Автор: PARK, CHANG SOO, HAN, KYU SEOK, JOO, HYUNG DON, KIM, JAE KYOUM, KIM, WOO SIN
Принадлежит:

A grain-oriented electrical steel plate according to one embodiment of the present invention comprises: 1.0-7.0 wt% of Si; 0.005-0.5 wt% of Y; and the remaining including Fe and other inevitable impurities, wherein a number of inclusions including Y and having a diameter of 30nm-5μm is 10 or less per 1mm^2 of area in the electrical steel plate, thereby improving a magnetic property of the steel plate. COPYRIGHT KIPO 2018 ...

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Номер записи: 32
29-06-2017 дата публикации

VIDEO MANAGEMENT SYSTEM AND VIDEO MANAGEMENT APPARATUS

Номер: KR1020170073950A
Автор: JOO, HYUNG DON
Принадлежит:

The present invention relates to a video management system which comprises the following: a first monitoring system including a first storage device; a second monitoring system including a second storage device; and a controller determining whether or not image data transmission/reception between the first and second monitoring systems is necessary, by checking the amount of image transmission during a first period of each of the first and second monitoring systems and the storage capacity of each of the first and second storage devices. The first monitoring system transmits, to the second monitoring system, partial data of video data received from a photographing apparatus associated with the first monitoring system, based on a determination result of the controller. The second monitoring system stores the received partial data in the second storage device. COPYRIGHT KIPO 2017 (AA) Start (BB) End (S100) Check the storage capacity of the storage device (S200) Check the image transmission ...

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Номер записи: 33
07-04-2016 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

Номер: KR0101610361B1
Автор: 박형기, 주형돈, 김병구, 양일남
Принадлежит: 주식회사 포스코

... 본 발명은 방향성 전기강판 및 그 제조방법에 관한 것으로, 중량%로, Si를 2.0%~6.5% 함유하고, P, Sn 및 Sb로 이루어진 군으로부터 선택된 어느 하나 이상의 원소를 각각 0.01%~0.1% 함유하고, 잔부 Fe 및 기타 불가피한 불순물로 구성되는 전기강판 슬라브를 제공하는 단계; 상기 슬라브를 재가열하는 단계; 상기 슬라브를 열간 압연하여 열연 강판을 제조하는 단계; 상기 열연 강판을 냉간 압연하여 냉연 강판을 제조 하는 단계; 상기 냉연 강판을 1차 재결정 소둔 하는 단계; 및 상기 1차 재결정 소둔이 완료된 전기강판을 2차 재결정 소둔 하는 단계를 포함하며, 상기 2차 재결정 소둔은 전기장을 인가한 상태에서 실시하는 방향성 전기강판 제조방법이 개시된다.

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Номер записи: 34
01-07-2015 дата публикации

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD TO MANUFACTURE SAME

Номер: KR1020150073801A
Автор: JOO, HYUNG DON, KO, HYUN SEOK, PARK, HYUNG KI, LIM, JAE SOO, SEO, JIN WOOK, HAN, KYU SEOK
Принадлежит:

Disclosed is a non-oriented electrical steel sheet. According to an embodiment of the present invention, the non-oriented electrical steel sheet comprises: less than or equal to 0.005 wt% of C; 2.2-4.5 wt% of Si; less than or equal to 0.1 wt% of Mn; 0.4-3 wt% of Al; 0.1-0.30 wt% of at least one of Sn and Sb; and residual Fe and other unavoidably added impurities. COPYRIGHT KIPO 2015 ...

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Номер записи: 35
02-07-2018 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: KR1020180073309A
Автор: JOO, HYUNG DON, HAN, MIN SOO, PARK, HYUNG KI, LEE, SANG WOO, SEO, JIN WOOK
Принадлежит:

According to one embodiment of the present invention, a grain-oriented electrical steel sheet comprises, by wt%, 1.0-7.0% of Si, 0.005% or less of C (excluding 0%), 0.001-0.5% of In, and the remainder consisting of Fe and other inevitably mixed in impurities. COPYRIGHT KIPO 2018 ...

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Номер записи: 36
25-04-2016 дата публикации

NON-DIRECTIONAL ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD FOR SAME

Номер: KR1020160044452A
Автор: JOO, HYUNG DON, KO, HYUN SEOK, PARK, HYUNG KI, SEO, JIN WOOK, LIM, JAE SOO
Принадлежит:

Disclosed are a non-directional electrical steel sheet with low iron loss and excellent magnetism, and a manufacturing method for the same. According to the present invention, the non-directional electrical steel sheet comprises: 0.005 wt% or less (exclusive of 0 wt%) of C; 2.2-4.5 wt% of Si; 0.1 wt% or less (exclusive of 0 wt%) of Mn; 0.003 wt% or less (exclusive of 0 wt%) of S; 0.02-0.1 wt% of Al; 0.1-0.3 wt% of at least one among Sn and Sb; and the remainder consisting of Fe and inevitable impurities, wherein F_{111}+F_{112}<=50% is satisfied. COPYRIGHT KIPO 2016 ...

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Номер записи: 37
04-06-2020 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2020111832A3
Автор: JOO, Hyung Don, KO, Kyung-Jun, PARK, Chang Soo, KIM, Jae Kyoum, LEE, Sang-Woo, SEO, Jin-Wook
Принадлежит:

A grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises, by weight percentage: Si: 1.0 to 7.0%; Mn: 0.5% or less (excluding 0%); Al: 0.005% or less (excluding 0%); S: 0.0055% or less (excluding 0%); at least one of Ba and Y: 0.005 to 0.5%; at least one of Sn: 0.02 to 0.15%, Sb: 0.01 to 0.08%, and Ni: 0.02 to 0.5%; and the balance being Fe and inevitable impurities.

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Номер записи: 38
28-06-2016 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020160074349A
Автор: KO, HYUN SEOK, SEO, JIN WOOK, HAN, KYU SEOK, JOO, HYUNG DON
Принадлежит:

According to an embodiment of the present invention, the manufacturing method of the oriented electrical steel sheet comprises: a step of providing a slab including 1.0-4.0 wt% of silicon (Si), 0.1-0.4 wt% of carbon (C), 0.002-0.05 wt% of phosphorus (P), and iron (Fe) and unavoidable impurities; a step of reheating the slab; a step of manufacturing a hot-rolled steel sheet by performing hot rolling of the slab; a step of performing annealing of hot-rolled sheets for the hot-rolled steel sheet; a step of performing cold rolling of the annealed hot-rolled steel sheet; a step of decarbonizing annealing the cold-rolled steel sheet; a step of performing cold rolling of the steel sheet for which decarbonizing annealing is completed; and a step of finally annealing the steel sheet whose cold rolling is completed. The step of finally annealing comprises: a step of increasing a temperature; a step of a first cracking; and a step of a second cracking. In the step of increasing the temperature, the ...

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Номер записи: 39
02-07-2018 дата публикации

MANUFACTURING METHOD OF DIRECTIONAL ELECTRICAL STEEL SHEET

Номер: KR1020180073029A
Автор: KIM, BYEONG GOO, JOO, HYUNG DON, SEO, JIN WOOK
Принадлежит:

The present invention relates to a manufacturing method of a directional electrical steel sheet, wherein the manufacturing method can obtain excellent magnetism fit to be used as iron-core materials of electronic equipment for a large-size rotating machine including kinds of transformers and generators. According to the present invention, the manufacturing method of a directional electrical steel sheet includes: (a) a step of reheating and hot-rolling a steel slab including 2.0 to 4.5 wt% Si, 0.02 to 0.10 wt% C, 0.01 to 0.05 wt% Sol. Al, 0.015 wt% or less N, 0.015 wt% or less S, and the rest of Fe and other unavoidable impurities; (b) a step of cold-rolling the hot-rolled steel sheet; (c) a step of simultaneous decarburization nitriding annealing of the cold-rolled steel sheet at a temperature of 800 to 950°C; and (d) a step of a final annealing of the simultaneous decarburization nitriding annealing-treated steel sheet, wherein in the (c) step, the simultaneous decarburization nitriding ...

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Номер записи: 40
20-06-2013 дата публикации

METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEETS HAVING EXCELLENT MAGNETIC PROPERTIES

Номер: WO2013089297A1
Автор: JOO, Hyung-Don, KIM, Chang-Soo, PARK, Jong-Tae, PARK, Jong-Ho, KIM, Byeong-Goo, SEO, Jin-Wook
Принадлежит:

The present invention relates to a method for manufacturing a grain-oriented electric steel sheet. In the method for manufacturing the grain-oriented electric steel sheet, a grain-oriented electric steel sheet slab is heated and hot-rolled, and then a hot band annealing process is performed or omitted, and also, a cold rolling process is performed once or performed two times with intermediate annealing therebetween, and then primary and secondary recrystallization annealing processes are successively performed. Also, the primary recrystallization annealing process comprises: an ultra fast heat-up step of heating up to a mean heat-up rate of about 300℃/sec or more; a fast heat-up step of heating up to a mean heat-up rate of about 100℃/sec or more that is less than the mean heat-up rate in the ultra fast heat-up step after the ultra fast heat-up step is performed; and a normal heat-up step of heating up to a mean heat-up rate that is less than that in the fast heat-up step after the fast ...

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Номер записи: 41
23-06-2016 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

Номер: KR0101632870B1
Автор: 박형기, 주형돈, 송대현, 한규석, 고경준
Принадлежит: 주식회사 포스코

... 방향성 전기강판 및 이의 제조방법이 제공된다. 본 발명의 일 실시예에 의한 방향성 전기강판은, 중량%로, Si: 2.0 내지 4.5%, C: 0.03% 내지 0.08%, Sn: 0.02% 내지0.08%, Mo: 0.01내지0.1%, 잔부는 Fe 및 기타 불가피한 불순물을 포함하되, Mo(wt%)+0.5Sn(wt%)의 값이 0.03 내지 0.12 일 수 있다.

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Номер записи: 42
02-07-2015 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET, MANUFACTURING METHOD AND PRIMARY RECRYSTALLIZATION ANNEALING FACILITY THEREOF

Номер: KR1020150074892A
Автор: PARK, JONG HO, LIM, JAI HO, JOO, HYUNG DON, KIM, CHANG SOO, PARK, JONG TAE
Принадлежит:

The present invention manufactures a steel sheet by cold rolling after the present invention heats and hot rolls a slab containing 2.0-4.0 wt% of Si, 0.85 or less wt% of C (not including 0%), 0.015-0.04 wt% of acid-soluble Al, 0.20 wt% or less of Mn (not including 0%), 0.01 or less of N (not including 0%), 0.006 wt% or less of S (not including 0%), and residual consisting of Fe and other inevitable impurities. The method for manufacturing a grain-oriented electrical steel sheet performing the secondary recrystallization annealing process after the present invention performs the primary recrystallization annealing process. Provided is the method for manufacturing a grain-oriented electrical steel sheet comprising the steps of: ultra-rapidly raising the temperature of the steel sheet; rapidly raising the temperature of the steel sheet of which the temperature is ultra-rapidly raised; and normally raising the temperature of the steel sheet, of which the temperature is ultra-rapidly raised, ...

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Номер записи: 43
16-02-2016 дата публикации

METHOD FOR MANUFACTURING THE ORIENTED ELECTRICAL STEEL SHEET

Номер: KR0101594598B1
Автор: 박형기, 주형돈, 양일남, 고현석, 김병구
Принадлежит: 주식회사 포스코

... 본 발명에 의한 방향성 전기강판의 제조방법은 전기강판 슬라브를 제공하는 단계; 상기 슬라브를 재가열하는 단계; 상기 슬라브를 열간 압연하여 열연 강판을 제조하는 단계; 상기 열연 강판을 냉간 압연하여 냉연 강판을 제조 하는 단계; 상기 냉연 강판을 1차 재결정 소둔 하는 단계; 및 상기 1차 재결정 소둔이 완료된 전기강판을 2차 재결정 소둔 하는 단계; 를 포함하며, 상기 2차 재결정 소둔은 전기장을 인가한 상태에서 실시하는 방향성 전기강판의 제조방법이다.

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Номер записи: 44
25-07-2016 дата публикации

방향성 전기강판 및 이의 제조방법

Номер: KR0101642281B1
Автор: 고현석, 한규석, 박형기, 서진욱, 임재수, 주형돈
Принадлежит: 주식회사 포스코

... 방향성 전기강판 및 그 제조방법이 개시된다. 본 발명의 일 실시예에 의한 방향성 전기강판의 제조방법은, 중량%로, Si:1.0% 내지 4.0%, C:0.1% 내지 0.4% 및 잔부는 Fe 및 기타 불가피하게 혼입되는 불순물을 포함하는 슬라브를 제공하는 단계, 상기 슬라브를 재가열하는 단계, 상기 슬라브를 열간 압연하여 열연 강판을 제조하는 단계, 상기 열연 강판을 탈탄 소둔하는 단계, 상기 탈탄 소둔된 열연 강판을 냉간 압연하는 단계, 상기 냉간 압연된 강판을 탈탄 소둔하는 단계, 및 상기 냉간 압연이 완료된 강판을 최종 소둔하는 단계를 포함한다.

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Номер записи: 45
16-10-2018 дата публикации

방향성 전기강판의 제조 방법

Номер: KR0101908805B1
Автор: 김병구, 주형돈, 서진욱
Принадлежит: 주식회사 포스코

... 각종 변압기 및 발전기를 포함하는 대형 회전기용 전자기기의 철심 재료로 사용하기에 적합한 우수한 자성을 확보할 수 있는 방향성 전기강판의 제조 방법에 대하여 개시한다. 본 발명에 따른 방향성 전기강판 제조 방법은 (a) 중량%로, Si : 2.0 ~ 4.5%, C : 0.02 ~ 0.10%, Sol. Al : 0.01 ~ 0.05%, N : 0.015% 이하, S : 0.015% 이하 및 나머지 Fe 및 기타 불가피한 불순물로 조성되는 강 슬라브를 재가열 및 열간압연하는 단계; (b) 상기 열간압연된 강판을 냉간압연하는 단계; (c) 상기 냉간압연된 강판을 800 ~ 950℃에서 동시탈탄질화 소둔하는 단계; 및 (d) 상기 동시탈탄질화 소둔 처리된 강판을 최종 소둔하는 단계;를 포함하며, 상기 (c) 단계에서, 상기 동시탈탄질화 소둔은 수소 및 질소의 혼합 가스가 투입되는 제1 가스 공급 배관과, 상기 제1 가스 공급 배관의 내부에 일부가 삽입 배치되며, 암모니아 가스가 공급되는 제2 가스 공급 배관을 갖는 삽입형 혼합 배관을 이용하여 상기 혼합 가스와 암모니아 가스를 동시에 공급하는 것을 특징으로 한다.

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Номер записи: 46
19-01-2017 дата публикации

DIRECTIONAL ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR101697988B1
Автор: JOO, HYUNG DON, PARK, HYUNG KI, YANG, IL NAM, LIM, JAE SOO, SEO, JIN WOOK, LEE, SANG WOO
Принадлежит: POSCO

According to an embodiment of the present invention, a directional electrical steel sheet comprises: 1.0-7.0 wt% of Si; less than or equal to 0.005 wt% (excluding 0 wt%) of C; less than or equal to 0.005 wt% (excluding 0 wt%) of Al; less than or equal to 0.0015 wt% (excluding 0 wt%) of N; 0.005-0.5 wt% of Mn; less than or equal to 0.005 wt% (excluding 0 wt%) of S; and 0.005-0.5 wt% of Zr. The remaining part comprises Fe and other inevitable impurities. COPYRIGHT KIPO 2017 ...

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Номер записи: 47
29-06-2017 дата публикации

METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

Номер: WO2017111551A1
Автор: HAN, Min Soo, JOO, Hyung Don, PARK, Jong Ho, PARK, Chang Soo, HONG, Byung Deug
Принадлежит:

A method for manufacturing a grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises the steps of: manufacturing a steel slab comprising at least one of 2-7 wt% of Si, 0.03-0.10 wt% of Sn, and 0.01-0.05 wt% of Sb; manufacturing a hot-rolled sheet by hot-rolling the steel slab; manufacturing a cold-rolled sheet by cold-rolling the hot-rolled sheet; primarily recrystallizing and annealing the cold-rolled sheet; applying an annealing separator to the cold-rolled sheet primarily recrystallized and annealed, and drying the same; and secondarily recrystallizing and annealing the cold-rolled sheet on which the annealing separator has been applied. Primary recrystallizing and annealing are performed such that an oxidized layer, formed on the surface of the cold-rolled sheet, has a thickness of 0.5-2.5 μm and an oxygen amount of 600 ppm or more after primary recrystallizing and annealing. In the secondary recrystallizing and annealing step, a forsterite ...

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Номер записи: 48
29-06-2017 дата публикации

METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

Номер: WO2017111433A1
Автор: PARK, Chang Soo, HAN, Min Soo, PARK, Jong Ho, JOO, Hyung Don, KIM, Yun Su
Принадлежит:

A method for manufacturing a grain-oriented electrical steel sheet according to an embodiment of the present invention comprises the steps of: preparing a steel slab comprising, by weight, at least one of 2 to 7% of Si, 0.03 to 0.10% of Sn, and 0.01 to 0.05% of Sb; hot rolling the steel slab to prepare a hot-rolled plate; cold rolling the hot-rolled plate to prepare a cold-rolled plate; primary recrystallization annealing the cold-rolled plate to conduct decarburization and nitridation; coating the primary recrystallization-annealed cold-rolled plate with an annealing separator, followed by drying; and secondary recrystallization annealing the annealing separator-coated cold-rolled plate.

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Номер записи: 49
16-11-2018 дата публикации

방향성 전기강판 및 이의 제조방법

Номер: KR0101919528B1
Автор: 주형돈, 한민수, 박형기, 이상우, 서진욱
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 방향성 전기강판은, 중량%로, Si:1.0% 내지 7.0%, C:0.005% 이하(0%를 포함하지 않는다), In:0.001% 내지 0.5% 및 잔부는 Fe 및 기타 불가피하게 혼입되는 불순물을 포함한다.

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Номер записи: 50
11-08-2016 дата публикации

방향성 전기강판 및 그 제조방법

Номер: KR0101647655B1
Автор: 주형돈, 박형기, 서진욱, 한규석, 임재수, 고현석
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 방향성 전기강판은, 소지강판에서 Ba 단독으로 0.005 중량% 내지 0.5 중량% 포함하거나, Y 단독으로 0.005 중량% 내지 0.5 중량% 포함하거나, Ba 및 Y 복합으로 0.005% 내지 0.5% 포함하고; 잔부는 Fe 및 불순물을 포함한다.

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Номер записи: 51
29-06-2017 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2017111509A1
Автор: JOO, Hyung Don, PARK, Hyung Ki, SEO, Jin Wook, LEE, Sang Woo
Принадлежит:

A grain-oriented electrical steel sheet according to an embodiment of the present invention comprises, by weight %, 2.0% to 7.0% of Si, 0.005% or less (excluding 0%) of C, 0.05% or less (excluding 0%) of Al, 0.005% or less (excluding 0%) of N, 0.005% or less (excluding 0%) of S, 0.001% to 0.3% of either Ba or Y or a combination thereof, the remainder being Fe and other inevitable impurities.

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Номер записи: 52
16-02-2016 дата публикации

NON-ORIENTED ELECTRICAL STEEL SHEETS AND METHOD FOR MANUFACTURING THE SAME

Номер: KR0101594597B1
Автор: 주형돈, 고현석, 박형기, 임재수, 서진욱
Принадлежит: 주식회사 포스코

... 방향성 전기강판의 제조방법이 개시 된다. 본 발명의 일 실시예에 의한 방향성 전기강판의 제조방법은, 중량%로, Si:2.2∼4.5%, 산가용성 Al:0.020∼0.040%, Mn:0.50%이하 (0%를 포함하지 않는다), N:0.0020~0.010%, C:0.02∼0.08%, S:0.010%이하 (0%를 포함하지 않는다), 잔부는 Fe 및 기타 불가피한 불순물을 포함하는 슬라브를 제공하는 단계; 상기 슬라브를 가열한 후 압연하여 열연강판을 제조하는 단계; 상기 열연강판을 압연하여 냉연강판을 제조하는 단계; 상기 냉연강판을 1차 재결정 소둔 하는 단계; 및 상기 1차 재결정 소둔이 완료된 전기강판을 최종 소둔하는 단계를 포함하며, 상기 1차 재결정이 완료된 후, 1차 재결정립의 평균크기는 17~23μm이다.

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Номер записи: 53
23-06-2016 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020160072704A
Автор: JOO, HYUNG DON, PARK, HYUNG KI, SEO, JIN WOOK, HAN, KYU SEOK, LIM, JAE SOO, KO, HYUN SEOK
Принадлежит:

According to an embodiment of the present invention, an oriented electrical steel sheet comprises, based on a base steel sheet: 0.005-0.5 wt% of Ba, 0.005-0.5 wt% of Y, or 0.005-0.5 wt% of Ba and Y in combination; and the remainder consisting of Fe and impurities. COPYRIGHT KIPO 2016 ...

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Номер записи: 54
01-07-2015 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020150073640A
Автор: PARK, HYUNG KI, JOO, HYUNG DON, KIM, BYEONG GOO, YANG, IL NAM
Принадлежит:

The present invention relates to a grain-oriented electrical steel sheet, and a manufacturing method thereof. The method to manufacture a grain-oriented electrical steel sheet comprises: a step of providing an electrical steel slab composed of 2.0-6.5 wt% of Si, 0.01-0.1 wt% of at least one among a group formed of P, Sn, and Sb, and the remainder consisting of Fe and other inevitable impurities; a step of reheating the slab; a step of hot-rolling the slab to manufacture a hot-rolled steel sheet; a step of cold-rolling the hot-rolled steel sheet to manufacture a cold-rolled steel sheet; a step of annealing the cold-rolled steel sheet for primary crystallization; and a step of annealing the electrical steel sheet which finishes the primary recrystallization annealing for secondary recrystallization. The secondary recrystallization annealing is performed in a state where an electric field is applied. The present invention reduces a time for the secondary recrystallization annealing by applying ...

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Номер записи: 55
20-06-2018 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR101869455B1
Автор: KIM, JAE KYOUM, JOO, HYUNG DON, HAN, KYU SEOK, PARK, CHANG SOO, PARK, YU JUN
Принадлежит: POSCO

According to one embodiment of the present invention, provided is an oriented electrical steel sheet, which comprises: 1.0 to 7.0 wt% of Si; 0.005 wt% or less (excluding 0 wt%) of C; 0.001 to 0.02 wt% of N; 0.005 to 0.5 wt% of Ba; 0.25 to 0.005 wt% of V; and the remainder consisting of Fe and inevitable impurities. Moreover, according to the other embodiment of the present invention, the oriented electrical steel sheet comprises: 1.0 to 7.0 wt% of Si; 0.005 wt% or less (excluding 0 wt%) of C; 0.001 to 0.02 wt% of N; 0.005 to 0.5 wt% of Ba; 0.5 to 2.5 wt% of Cr; and the remainder consisting of Fe and inevitable impurities. COPYRIGHT KIPO 2018 ...

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Номер записи: 56
23-06-2016 дата публикации

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Номер: WO2016098917A1
Автор: JOO, Hyung Don, PARK, Hyung-Ki, SEO, Jin-Wook, HAN, Kyu-Seok, LIM, Jae-Soo, KO, Hyun-Seok
Принадлежит:

According to one embodiment of the present invention, a grain-oriented electrical steel sheet comprises: 0.005-0.5 wt% of Ba, 0.005-0.5 wt% of Y, or 0.005-0.5% of Ba and Y, in a substrate steel sheet; and the balance of Fe and impurities.

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Номер записи: 57
15-05-2014 дата публикации

IMAGE MANAGEMENT APPARATUS AND IMAGE MANAGEMENT METHOD, AND IMAGE MANAGEMENT SYSTEM INCLUDING SAME

Номер: WO2014073807A1
Автор: KOO, Ju Wan, JOO, Hyung Don
Принадлежит:

The present invention relates to an image management apparatus and an image management method, and an image management system including the same. The image management device, according to one embodiment of the present invention, comprises: a camera data processing unit for receiving and processing image data from at least one network camera; a recording unit for storing the image data processed by the camera data processing unit; and a display unit for transmitting, to a display device, the image data processed by the camera data processing unit, wherein the camera data processing unit and the recording unit are present in physically separate processing spaces.

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Номер записи: 58
24-02-2017 дата публикации

영상 기록 장치

Номер: KR0101709945B1
Автор: 주형돈, 김민규
Принадлежит: 한화테크윈 주식회사

... 본 발명의 일 실시예에 따른 영상 기록 장치는 복수의 알람 신호를 수신하여, 통합 알람 신호를 생성하는 알람 신호 제공부 및 상기 통합 알람 신호 및 복수의 데이터 신호를 수신하여 처리하는 데이터 처리 장치를 포함한다.

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Номер записи: 59
04-07-2016 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

Номер: KR1020160078171A
Автор: JOO, HYUNG DON, PARK, HYUNG KI, SEO, JIN WOOK, KIM, BYEONG GOO, LIM, JAE SOO, YANG, IL NAM
Принадлежит:

According to an embodiment of the present invention, in an oriented electrical steel sheet, a base steel sheet comprises: 0.001-0.5 wt% of La; an amount equal to or less than 0.0055 wt% of S (excluding 0 wt%); 0.005-0.5 wt% of Mn; and the remainder consisting of Fe and inevitable impurities. COPYRIGHT KIPO 2016 ...

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Номер записи: 60
29-11-2016 дата публикации

방향성 전기강판 및 그 제조방법

Номер: KR0101677445B1
Автор: 주형돈, 박형기, 서진욱, 김병구, 임재수, 양일남
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 방향성 전기강판은, 소지강판에서 중량%로, La: 0.005% 내지 0.2%, S: 0.0055%이하(0%를 포함하지 않는다) 및 Mn: 0.005% 내지 0.5%를 포함하고 잔부는 Fe 및 기타 불가피한 불순물을 포함한다.

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Номер записи: 61
23-04-2020 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PREPARING SAME

Номер: WO2019132133A8
Автор: KIM, Jae Kyoum, HAN, Kyu-Seok, JOO, Hyung Don, PARK, Chang Soo, PARK, Yujun
Принадлежит:

An oriented electrical steel sheet according to an embodiment of the present invention comprises, in weight %, 1.0%-5.0% of Si, 0.005% or less of C (not including 0%), 0.001%- of Mn, 0.001%-0.020% of S, 0.001%-0.050% of Se and 0.001%-0.1% of La, and the remainder being Fe and other unavoidable impurities, and satisfies formula [1]. Formula [1]: -0.5 < ([Mn]-[La])/(10x[S] + [Se]) < 0.2 (In formula [1], [Mn], [La], [S] and [Se] indicate the content (weight %) of Mn, La, S and Se, respectively.) ...

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Номер записи: 62
01-07-2015 дата публикации

METHOD FOR MANUFACTURING ORIENTED ELECTRICAL STEEL SHEET

Номер: KR1020150073797A
Автор: PARK, HYUNG KI, JOO, HYUNG DON, YANG, IL NAM, KO, HYUN SEOK, KIM, BYEONG GOO
Принадлежит:

According to the present invention, a method for manufacturing an oriented electrical steel sheet comprises steps of: providing an electrical steel sheet slab; reheating the slab; manufacturing a hot rolled steel sheet by hot rolling the slab; manufacturing a cold rolled steel sheet by cold rolling the hot rolled steel sheet; a primary recrystallization annealing the cold rolled steel sheet; and a secondary recrystallization annealing an electrical steel wherein the primary recrystallization annealing is complete. The secondary recrystallization annealing is carried out in a state of applying an electric field. COPYRIGHT KIPO 2015 ...

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Номер записи: 63
07-06-2016 дата публикации

ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020160063895A
Автор: KO, HYUN SEOK, HAN, KYU SEOK, PARK, HYUNG KI, SEO, JIN WOOK, LIM, JAE SOO, JOO, HYUNG DON
Принадлежит:

An oriented electrical steel sheet and a manufacturing method thereof are disclosed. The manufacturing method of the oriented electrical steel sheet according to an embodiment of the present invention comprises: a step of providing a slab including, by weight%, 1.0% to 4.0% of Si, 0.1% to 0.4% of C, and the remainder including Fe and inevitable impurities; a step of reheating the slab; a step of performing hot rolling on the slab to produce a hot-rolled steel sheet; a step of performing decarburization-annealing on the hot-rolled steel sheet; a step of performing cold rolling on the decarburization-annealed hot-rolled steel sheet; a step of performing decarburization-annealing on the cold-rolled steel sheet; and a step of performing final annealing on the cold-rolling-completed steel sheet. COPYRIGHT KIPO 2016 ...

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Номер записи: 64
03-04-2017 дата публикации

무방향성 전기강판 및 그 제조방법

Номер: KR0101722702B1
Автор: 주형돈, 고현석, 박형기, 서진욱, 임재수
Принадлежит: 주식회사 포스코

... 무방향성 전기강판 및 그 제조방법이 개시된다. 본 발명에 의한 무방향성 전기강판은 중량 퍼센트(%)로, C: 0.005%이하(0%를 포함하지 않는다), Si: 2.2~4.5%, Mn: 0.1%이하(0%를 포함하지 않는다), S:0.003%이하(0%를 포함하지 않는다), Al: 0.02~0.1%, Sn 및 Sb 중 적어도 하나가 0.1~0.3%, 잔부는 Fe 및 기타 불가피하게 첨가되는 불순물을 포함하며, F{111}+F{112}≤50% 을 만족한다.

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Номер записи: 65
21-03-2023 дата публикации

방향성 전기강판 및 그의 제조방법

Номер: KR102513027B1
Автор: 김재성, 민성훈, 주형돈, 양일남
Принадлежит: 주식회사 포스코

... 본 발명의 일 실시예에 의한 방향성 전기강판은 강판 기재에 중량%로 Si:2.5 내지 4.0%, 산가용성 Al:0.020 내지 0.040%, Mn:0.20%이하(0%를 제외함), N:0.0055% 이하(0%를 제외함), C:0.005% 이하(0%를 제외함), S:0.0055%이하(0%를 제외함), Sb:0.005 내지 0.02%, 및 산가용성 Mg : 0.002 내지 0.005% 포함하고, 잔부는 Fe 및 기타 불가피한 불순물을 포함한다.

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Номер записи: 66