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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

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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 48. Отображено 48.
17-05-2018 дата публикации

HOT DIP ALUMINUM ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT CORROSION RESISTANCE AND WORKABILITY

Номер: KR101858863B1
Автор: KANG, KI CHEOL, HWANG, HYEON SEOK, SONG, YON KYUN, PARK, IL JEONG
Принадлежит: POSCO

A hot dip aluminum alloy plated steel material comprises a base steel material and a hot dip Al-Si-based plating layer, wherein an Al-rich alloy layer containing 2-20 wt% of Al is provided on a surface layer of the base steel material, and an interfacial alloy layer having a double layer structure with different hardness is provided on an interface of the base steel material and the hot dip Al-Si-based plating layer. COPYRIGHT KIPO 2018 ...

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Номер записи: 1
03-07-2018 дата публикации

HIGH STRENGTH HOT ROLLED STEEL SHEET WITH EXCELLENT CONTINUOUS PRODUCTIVITY, HIGH STRENGTH GALVANIZED STEEL SHEET WITH EXCELLENT SURFACE QUALITY AND PLATING ADHESION, AND MANUFACTURING METHOD THEREOF

Номер: KR1020180074009A
Автор: KIM, MYUNG SOO, KANG, KI CHEOL, PARK, IL JEONG
Принадлежит:

The present invention relates to a high strength hot rolled steel sheet with excellent continuous productivity, a high strength galvanized steel sheet with excellent surface quality and plating adhesion, and a manufacturing method thereof. According to the present invention, the hot rolled steel sheet comprises: 0.14 to 0.3 weight percent of C; 1 to 2.0 weight percent of Si; 2.6 to 5 weight percent of Mn; 0.001 to 2 weight percent of soluble Al; (48 / 14) x [N] to 0.1 weight percent of Ti; 0.04 weight percent or less of P (excluding 0 weight percent); 0.015 weight percent or less of S (excluding 0 weight percent); 0.02 weight percent or less of N (excluding 0 weight percent); 0.08 to 0.2 weight percent of a sum of one or more of Sb, Bi, Sn, and Zn; and the remainder being Fe and unavoidable impurities, wherein internal oxide including one or more elements among Si, Mn, Al, and Fe exists on a surface layer part of the hot rolled steel plate, and the maximum depth of the internal oxide is ...

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Номер записи: 2
28-06-2018 дата публикации

HOT DIP ALUMINIZED STEEL MATERIAL HAVING EXCELLENT CORROSION RESISTANCE AND WORKABILITY, AND MANURACTURING METHOD THEREFOR

Номер: WO2018117769A1
Автор: KANG, Ki-Cheol, HWANG, Hyeon-Seok, SONG, Yon-Kyun, PARK, Il-Jeong
Принадлежит:

Disclosed is a hot dip aluminized steel material comprising a base steel and a hot-dip Al-Si-coated layer, wherein the surface layer of the base steel is provided with an Al-enriched layer in which 2 wt% to 20 wt% of Al is solid-solubilized, and an interface between the base steel and the hot-dip Al-Si-coated layer has a double-layer structured interfacial alloy layer having different hardnesses.

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Номер записи: 3
15-07-2016 дата публикации

인산염처리성이 우수한 고강도 냉연강판 및 그 제조방법

Номер: KR0101639914B1
Автор: 강기철, 김명수, 민광태, 오종기
Принадлежит: 주식회사 포스코

... 본 발명은 900MPa 이상의 높은 인장강도와 우수한 성형성을 가지면서도 인산염처리성이 우수한 고강도 냉연강판을 제공하고자 하는 것으로, 중량%로, C: 0.1~0.3%, Si: 1~2.5%, Mn: 2.5~10%, sol.Al: 0.001~1%, P: 0.04% 이하(0% 제외), S: 0.015% 이하(0% 제외), N: 0.02% 이하 (0% 제외), Cr: 0.1~0.7%, Mo: 0.1% 이하, Ti: (48/14)*[N] ~ 0.1%, Ni: 0.005~0.5%, Sb: 0.01~0.07%, Nb: 0.1 이하, B: 0.005% 이하, 잔부 Fe 및 기타 불가피한 불순물을 포함하고, 표층부에 형성된 산화물의 크기는 장경이 2㎛ 이하인 인산염처리성이 우수한 고강도 냉연강판을 제공한다.

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Номер записи: 4
04-07-2016 дата публикации

POWDER SPRAY COATING DEVICE

Номер: KR1020160077576A
Автор: KIM, YEON HO, KANG, KI CHEOL, BYEON, CHANG SE, KIM, JONG SANG
Принадлежит:

According to the present invention, a powder spray coating device comprises: a powder spray unit configured to spray powder onto a substrate; a magnetic field providing unit configured to provide magnetic force to powder; and a curved surface forming unit for providing a bent portion to the substrate. Through the configuration, improvement of coating efficiency and economical efficiency can be expected. COPYRIGHT KIPO 2016 ...

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Номер записи: 5
12-05-2016 дата публикации

The manufacturing method of the steel artificial fishing reef having an excellent anti-corrosive and creature adhesive ability

Номер: KR0101620669B1
Автор: 김영근, 강기철
Принадлежит: 주식회사 포스코

... 본 발명은 강재; 상기 강재의 표면에 형성되고, 주성분으로 CaO 20-40중량%, SiO2 20-40중량% 및 Al2O3 10-30중량%를 포함하는 고로슬래그 코팅층; 및 상기 고로슬래그 코팅층 상부에 형성되고, 주성분으로 FeO 20-40중량%, Fe2O3 1-10중량%, CaO 20-40중량%, SiO2 5-15중량%, 및 Al2O3 1-10중량%를 포함하는 제강슬래그 코팅층을 포함하는 내식성과 생육조건이 우수한 강재어초 및 그 제조방법에 관한 것이다. 본 발명에 따르면 고로슬래그 층으로 어초의 내식성을 향상시키고, 제강슬래그에 포함된 칼슘과 철 성분을 이용하여 바다생물들의 광합성과 단백질 합성에 적합한 환경을 제공할 수 있다.

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Номер записи: 6
14-10-2015 дата публикации

GOLF PUTTER HAVING NECK CAPABLE OF ADJUSTING CENTROID AND PREVENTING TORSION OF AXIS WHEN HITTING BALL

Номер: KR1020150115397A
Автор: KANG, KI CHEOL
Принадлежит:

The present invention relates to a golf putter which has a bolt and a nut, which are apparatuses for putting a weight inside a putter and fixing the weight, allows the center of gravity to be moved through the bolt and the nut, and increases directivity of putting. As having a cover to be open and closed, the golf putter of the present invention can adjust the weight of the whole putter by replacing the weight, existing inside, in accordance with a property of each person. In addition, the golf putter of the present invention has a hemisphere facing in a direction opposite to a hitting direction in the neck connecting the putter and a shaft, so as to reduce a torsion phenomenon which is produced by hitting a golf ball, thereby increasing a rate of success of the putter due to a smooth grip and hitting. COPYRIGHT KIPO 2016 ...

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Номер записи: 7
03-01-2019 дата публикации

STEEL SHEET HAVING EXCELLENT RESISTANCE TO LIQUID METAL EMBRITTLEMENT CRACKS AND METHOD FOR MANUFACTURING SAME

Номер: WO2019004662A1
Автор: LEE, Sea-Woong, LEE, Kyoo-Young, RYU, Joo-Hyun, KANG, Ki-Cheol
Принадлежит:

The present invention relates to a steel sheet having an excellent resistance to liquid metal embrittlement cracks and a method for manufacturing the same. An embodiment of the present invention provides a steel sheet having an excellent resistance to liquid metal embrittlement cracks and a method for manufacturing the same, the steel sheet comprising, by weight %, : 0.04 to 0.35% of C; 0.99% or less of Al + Si; 3.5 to 10% of Mn; 0.05% or less of P (excluding 0%); not more than 0.02% of S (excluding 0%); not more than 0.02% of N (excluding 0%); the balance being Fe; and other unavoidable impurities, wherein a microstructure contains, by a volume fraction, 10% or more of retained austenite, 60% or more of annealed martensite, and 20% or less of alpha martensite and epsilon martensite, and the average thickness of a Mn-depleted layer is 0.5 ㎛ or more from a product surface. According to one aspect of the present invention, it is possible to increase cracking resistance occurring during spot ...

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Номер записи: 8
20-09-2016 дата публикации

분말분사코팅장치

Номер: KR0101657819B1
Автор: 김연호, 강기철, 변창세, 김종상
Принадлежит: 주식회사 포스코

... 본 발명은 기판에 분말을 분사시키는 분말분사부; 및 분말에 자기력을 제공하는 자기장유닛을 구비하는 자기장제공부; 분말이 분사되는 기판에 만곡부을 제공하는 곡면형성부; 및, 진공을 제공하는 진공제공부;를 포함하고, 상기 분말분사부는, 기판에 분사될 분말을 제공하는 분말공급부; 분사가스를 제공하는 가스공급부; 및 상기 진공제공부 내측에 위치하고 상기 분말공급부에 의해 제공되는 분말이 분사되는 노즐부;를 포함하며, 상기 분말공급부에 의해 제공되는 분말은 상기 가스공급부에 의해 제공되는 분사가스에 의하여 운동 모멘텀을 제공받아 상기 노즐부를 통과하여 기판에 분사되는 분말분사코팅장치를 제공한다.이와 같은 구성을 통하여, 코팅효율 및 경제성의 제고를 기대할 수 있다.

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Номер записи: 9
04-07-2016 дата публикации

HIGH STRENGTH HOT DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY, PLATING ADHESION AND FORMABILITY AND MANUFACTURING METHOD THEREOF

Номер: KR1020160077567A
Автор: KIM, MYUNG SOO, KANG, KI CHEOL, KIM, JONG HO
Принадлежит:

The present invention provides a high strength hot dip galvanized steel sheet having excellent surface quality, plating adhesion, and formability; comprising a cold rolled steel sheet, and a Zn plating layer formed on the cold rolled steel sheet. The cold rolled steel sheet comprises: 0.1-0.3 wt% of C, 1-2.5 wt% of Si, 2.5-8 wt% of Mn, 0.001-0.5 wt% of sol.Al, 0.04 wt% or less of P, 0.015 wt% or less of S, 0.02 wt% or less of N (excluding 0 wt%), 0.1-0.7 wt% of Cr, 0.1 wt% or less of Mo, (48/14)*[N]-0.1 wt% of Ti, 0.005-0.5 wt% of Ni, 0.01-0.07 wt% of Sb, 0.1 wt% or less of Nb, 0.005 wt% or less of B, and the remaining consisting of Fe and inevitable impurities. An average content of Sb from a surface of the cold rolled steel sheet in the Zn plating layer to a depth of 0.1 μm is equal to or greater than 5 times the average content of Sb at depth of 0.5 μm or more from a surface of the cold rolled steel sheet. COPYRIGHT KIPO 2016 ...

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Номер записи: 10
16-07-2018 дата публикации

열간 압연성이 우수한 비자성 강재 및 그 제조방법

Номер: KR0101879069B1
Автор: 김명수, 강기철, 김성규
Принадлежит: 주식회사 포스코

... 본 발명은 변압기 구조물 등에 사용되는 비자성 강재에 관한 것으로서, 보다 상세하게는 열간 압연성이 우수한 비자성 강재 및 이의 제조방법에 관한 것이다.

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Номер записи: 11
05-07-2016 дата публикации

HOT WATER BOILER USING FROZEN GAS

Номер: KR101636201B1
Автор: KANG, KI CHUL, SON, BYEONG CHEOL, YANG, YUN HWAN
Принадлежит: KANG, KI CHUL, SON, BYEONG CHEOL, YANG, YUN HWAN

The present invention relates to a hot water boiler using frozen gas, and more specifically, to a hot water boiler using frozen gas, which operates a freezing compressor for frozen gas circulation used in a refrigerant circuit to heat water in a hot water tank constituting a hot water boiler to use the water. The hot water boiler using frozen gas comprises: an operating pump operated by operation of a control box; a first electronic valve opened and closed by control of the control box when the operating pump is operated; an electric water heater to receive water in a hot water tank flowing into the hot water tank by opening the first electronic valve; a water-cooling vaporizer case to receive hot water by the electric water heater through a second electronic valve; a circulation pump installed in a water-cooling vaporizer to operate when water in the water-cooling vaporizer case reaches a prescribed temperature; a freezing compressor to supply hot water to the hot water tank by operation ...

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Номер записи: 12
28-06-2018 дата публикации

HIGH STRENGTH HOT ROLLED STEEL SHEET AND COLD ROLLED STEEL SHEET HAVING EXCELLENT CONTINUOUS PRODUCTIVITY, HIGH STRENGTH HOT DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND PLATING ADHESION, AND MANUFACTURING METHOD THEREFOR

Номер: WO2018117724A1
Автор: KIM, Myung-Soo, KANG, Ki-Cheol, PARK, Il-Jeong
Принадлежит:

Disclosed are a high strength hot rolled steel sheet and the like, the hot rolled steel sheet comprising: by wt%, 0.14-0.3% of C, 1-2.0% of Si, 2.6-5% of Mn, 0.001-2% of sol.Al, (48/14)*[N]-0.1% of Ti, 0.04% or less (excluding 0%) of P, 0.015% or less (excluding 0%) of S, 0.02% or less (excluding 0%) of N, 0.08-0.2% of a sum of one or more types among Sb, Bi, Sn, and Zn, and the balance of Fe and inevitable impurities, wherein an internal oxide containing one or more types of elements among Si, Mn, Al, and Fe is present in the surface layer part of the hot rolled steel sheet, and a maximum depth of the internal oxide is 1 μm or less (including 0 μm).

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Номер записи: 13
22-06-2017 дата публикации

METHOD FOR COATING STEEL PLATE WITH METAL AND METAL-COATED STEEL PLATE MANUFACTURED USING SAME

Номер: WO2017105096A1
Автор: KIM, Yeon-Ho, KANG, Ki-Cheol, BYEON, Chang-Se, SONG, Yon-Kyun
Принадлежит:

The present invention relates to a method for coating a steel plate with a metal and a metal-coated steel plate manufactured using the same. The present invention provides a method for coating a steel plate with a metal and a metal-coated steel plate manufactured using the same, the method comprising the steps of: heating first metal powder below a softening point; heating a gas to a temperature of 200 to 600ºC; vacuum-ejecting the heated metal powder together with the heated gas, thereby forming a metal coating layer; and forming a second metal plating layer on the metal coating layer.

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Номер записи: 14
04-07-2016 дата публикации

HIGH STRENGTH COLD ROLLED STEEL SHEET WITH EXCELLENT PHOSPHATABILITY AND MANUFACTURING METHOD THEREOF

Номер: KR1020160077483A
Автор: KANG, KI CHEOL, KIM, MYUNG SOO, MIN, KWANG TAI, OH, JONG GI
Принадлежит:

The present invention is to provide a high strength cold rolled steel sheet with excellent phosphatability, while having a tensile strength equal to or greater than 900 MPa and excellent formability. The high strength cold rolled steel sheet of the present invention comprises: 0.1-0.3 wt% of C, 1-2.5 wt% of Si, 2.5-10 wt% of Mn, 0.001-1 wt% of sol.Al, 0.04 wt% or less of P (excluding 0 wt%), 0.015 wt% or less of S (excluding 0 wt%), 0.02 wt% or less of N (excluding 0 wt%), 0.1-0.7 wt% of Cr, 0.1 wt% or less of Mo, (48/14)*[N]-0.1 wt% of Ti, 0.005-0.5 wt% of Ni, 0.01-0.07 wt% of Sb, 0.1 wt% or less of Nb, 0.005 wt% or less of B, and the remaining consisting of Fe and inevitable impurities. Size of an oxide formed on a surface layer is equal to or less than 2 μm. COPYRIGHT KIPO 2016 ...

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Номер записи: 15
02-07-2015 дата публикации

METHOD FOR FORMING FUNCTIONAL COATING LAYER ON ZINC-GALVANIZED STEEL SHEET BY COLD SPRAYING PROCESS AND ZINC-GALVANIZED STEEL SHEET HAVING FUNCTIONAL COATING LAYER FORMED THEREON

Номер: KR1020150074899A
Автор: KANG, KI CHEOL, KIM, YEON HO, BYEON, CHANG SE, KIM, JONG SANG
Принадлежит:

The present invention relates to a method for forming a functional coating layer on a zinc-galvanized steel sheet by a cold spraying process and to a zinc-galvanized steel sheet having a functional coating layer formed thereon. More specifically, provided are a method for forming a functional coating layer on a zinc-galvanized steel sheet and a zinc-galvanized steel sheet having a functional coating layer formed on the zinc-galvanized steel sheet using the method, comprising the steps of: preparing a zinc-galvanized steel sheet; preparing powder for coating including metallic powder or metal matrix composite powder; and conducting coating by spraying the powder for coating on the galvanization layer of the zinc-galvanized steel sheet using a cold spraying process. The present invention can manufacture, via a simple process, a functional coating layer having excellent functionality and having high bonding strength together with a compact structure without damaging the upper part of the zinc-galvanized ...

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Номер записи: 16
12-04-2017 дата публикации

HIGH-STRENGTH MELTED ZINC GALVANIZATION STEEL PLATE HAVING EXCELLENT SURFACE QUALITY AND GALVANIZATION ADHESION, AND MANUFACTURING METHOD THEREOF

Номер: KR101726090B1
Автор: KANG, KI CHEOL, KIM, MYUNG SOO, KANG, DAE YOUNG
Принадлежит: POSCO

The present invention relates to a high-strength melted zinc galvanization steel plate having excellent surface quality and galvanization adhesion, wherein the high-strength melted zinc galvanization steel plate includes a base steel plate and a melted zinc plating layer formed on a surface of the base steel plate, wherein the base steel plate comprises: 0.05-0.3 wt% of C; 1.5-10 wt% of Mn; 0.3-1.5 wt% of Si; 0.001-2.0 wt% of Al; 0.04 wt% or less of P (excluding 0 wt%); 0.015 wt% or less of S (excluding 0 wt%); 0.02 wt% or less of N (excluding 0 wt%); and the remaining consisting of Fe and inevitable impurities. An Fe-Al alloy on an interlayer between the melted zinc plating layer and the base steel plate is formed to take 70% or more areas with respect to a surface area of the base steel plate. COPYRIGHT KIPO 2017 ...

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Номер записи: 17
28-06-2017 дата публикации

METAL COATING METHOD FOR STEEL SHEET AND METAL COATED STEEL SHEET MANUFACTURED BY USING SAME

Номер: KR101746974B1
Автор: KIM, YEON HO, KANG, KI CHEOL, BYEON, CHANG SE, SONG, YON KYUN
Принадлежит: POSCO

The present invention relates to a metal coating method for a steel sheet, and a metal coated steel sheet manufactured by using the same. The metal coating method for a steel sheet comprises: a step of heating first metal powder under a softening point; a step of heating gas at 150-600 °C; a step of vacuum-injecting the heated metal powder with the heated gas together to form a metal coated layer; and a step of forming a second metal plating layer on the metal coated layer. COPYRIGHT KIPO 2017 ...

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Номер записи: 18
29-06-2015 дата публикации

MANUFACTURING METHOD OF STEEL ARTIFICIAL FISHING REEF HAVING EXCELLENT CORROSION RESISTASNCE AND GROWTH AND DEVELOPMENT CONDITION

Номер: KR1020150071894A
Автор: KIM, YUNG KEUN, KANG, KI CHEOL
Принадлежит:

The present invention relates to a steel artificial fising reef with excellent corrosion resistasnce and growth and development conditions, which includes a blast furnace slag coating layer containing 20-40 wt% of blast furnace slag as a main ingredient, 20-40 wt% of SiO_2, and 10-30 wt% of Al_2O_3; and a steel manufacturing slag coating layer containing 20-40 wt% of FeO, 1-10 wt% of Fe_2O_3, 20-40 wt% of CaO, 5-15 wt% of SiO_2, and 1-10 wt% of Al2O3. The present invention improves corrosion resistance of the artificial fishing reef with the blast furnace slag layer and providses environment suitable for photosynthesis and protein synthesis of marine creatures using cacium and iron contained in the steel manufacturing slag. COPYRIGHT KIPO 2015 ...

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Номер записи: 19
22-12-2016 дата публикации

HOT WATER BOILER USING WASTE HEAT OF AIR CONDITIONER

Номер: KR1020160147074A
Автор: KANG, KI CHUL, SON, BYEONG CHEOL, YANG, YUN HWAN
Принадлежит:

The present invention relates to a hot water boiler using waste heat of an air conditioner, and more specifically, to a hot water boiler to use waste heat, which is generated when an air conditioner is used, for the hot water boiler and heating. The hot water boiler of the present invention comprises: a freezing compressor which is operated by control of a control box; an evaporator which receives the freezing gas in the freezing compressor through an expansion valve; and a primary condenser which receives the freezing gas, which has become warm by flowing through a pipe in the evaporator and absorbing the surrounding warm air. The present invention makes a refrigerant cycle by supplying a liquefied refrigerant, which is generated by discharging high heat contained in the freezing gas through a heat radiation pipe of the primary condenser to the outside, to a dehumidifier and the freezing compressor. The primary condenser is built in a hot water tank. The outlet of the heat radiation pipe ...

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Номер записи: 20
16-06-2016 дата публикации

ULTRAHIGH STRENGTH HOT GALVANIZING STEEL PLATE WITH EXCELLENT SURFACE QUALITY AND COATING ADHERENCE, AND MANUFACTURING METHOD THEREFOR

Номер: WO2016093598A1
Автор: KIM, Myung-Soo, KANG, Ki-Cheol
Принадлежит:

The present invention relates to an ultrahigh strength hot galvanizing steel plate with excellent surface quality and coating adherence and a manufacturing method therefor, the ultrahigh strength hot galvanizing steel plate comprising: 0.1-0.3% by weight carbon (C); 0.1-2.0% by weight silicon (Si); 0.005-1.5% by weight aluminum (Al); 1.5-3.5% by weight manganese (Mn); 0.04% by weight or less phosphorus (P) (excluding 0% by weight); 0.015% by weight or less sulphur (S) (excluding 0% by weight); 0.02% by weight or less nitrogen (N) (excluding 0% by weight); the balance being Fe; and other inevitable impurities, and further comprising 0.01 wt.% to 0.07 wt.% of at least one kind of element selected from the group consisting of bismuth (Bi), tin (Sn) and antimony (Sb).

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Номер записи: 21
04-07-2016 дата публикации

HIGH STRENGTH HOT DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND PLATING ADHESION AND MANUFACTURING METHOD THEREOF

Номер: KR1020160077538A
Автор: KANG, KI CHEOL, KIM, MYUNG SOO, MIN, KWANG TAI
Принадлежит:

The present invention provides a high strength hot dip galvanized steel sheet having excellent surface quality and plating adhesion, and a manufacturing method thereof. The high strength hot dip galvanized steel sheet has a matrix steel sheet and a hot dip Zn plating layer on a surface of the matrix steel sheet; and an Fe-Al alloy occupies an area more than 70% as to the matrix steel sheet surface area on a boundary between the plating layer and a matrix iron, and has a tensile strength equal to or greater than 900 MPa. The matrix steel sheet comprises: 0.1-0.3 wt% of C, 1-2.5 wt% of Si, 2.5-6 wt% of Mn, 0.05 wt% or less of sol.Al (excluding 0 wt%), 0.04 wt% or less of P (excluding 0 wt%), 0.015 wt% or less of S (excluding 0 wt%), 0.02 wt% or less of N (excluding 0 wt%), 0.1-0.7 wt% of Cr, 0.001-0.1 wt% or less of Mo, (48/14)×[N]-0.1 wt% of Ti, 0.005-0.5 wt% of Ni, 0.1 wt% or less of Nb, 0.005 wt% or less of B, includes a sum of more than one of Bi, Sn, and 0.01-0.07 wt% of Sb; and the ...

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Номер записи: 22
10-01-2019 дата публикации

액상금속취화 균열 저항성이 우수한 강판 및 그 제조방법

Номер: KR1020190003894A
Автор: 이세웅, 이규영, 류주현, 강기철
Принадлежит:

... 본 발명은 액상금속취화 균열 저항성이 우수한 강판 및 그 제조방법에 관한 것이다. 본 발명의 일 실시형태는 중량%로, C: 0.04~0.35%, Al+Si: 0.99%이하, Mn: 3.5~10%, P: 0.05%이하(0% 제외), S: 0.02%이하(0% 제외), N: 0.02%이하(0% 제외), 잔부 Fe 및 기타 불가피한 불순물로 이루어지고, 미세조직이 부피분율로 10%이상의 잔류오스테나이트와 60%이상의 소둔 마르텐사이트 및 20% 이하의 알파 마르텐사이트 및 입실론 마르텐사이트를 포함하며, Mn 고갈층의 평균 두께가 제품 표면으로부터 0.5㎛이상인 액상금속취화 균열 저항성이 우수한 강판 및 그 제조방법을 제공한다. 본 발명의 일측면에 따르면, 점용접 시 발생하는 균열 저항성을 높일 수 있어 용접 후에도 재료의 성능 저감이 없는 냉간 프레스 성형이 가능한 초고강도 고연성 강판의 제조가 가능하다.

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Номер записи: 23
22-06-2017 дата публикации

HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND SPOT WELDABILITY, AND MANUFACTURING METHOD THEREFOR

Номер: WO2017105064A1
Автор: KIM, Myung-Soo, KANG, Ki-Cheol, PARK, Il-Jeong
Принадлежит:

The present invention relates to a hot-dip galvanized steel sheet to be used for a vehicle body structure member and the like and, more specifically, to a high-strength hot-dip galvanized steel sheet having excellent surface quality and spot weldability, and a manufacturing method therefor. Particularly, the present invention relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and spot weldability, and a manufacturing method therefor, the high-strength hot-dip galvanized steel sheet comprising a base steel sheet and a galvanized layer formed on the surface of the base steel sheet, which comprises, by wt%: 0.1-0.3% of carbon (C); 0.5-2.5% of silicon (Si); 2.0-8.0% of manganese (Mn); 0.001-0.5% of soluble aluminum (sol.Al); 0.04% or less (excluding 0%) of phosphorus (P); 0.015% or less (excluding 0%) of sulfur (S); 0.02% or less (excluding 0%) of nitrogen (N); 0.01-0.7% of chromium (Cr); (48/14)* [N]-0.1% of titanium (Ti); and a remainder being Fe and ...

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Номер записи: 24
16-06-2016 дата публикации

ULTRA-HIGH STRENGTH HOT DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND PLATING ADHESION AND MANUFACTURING METHOD THEREOF

Номер: KR101630976B1
Автор: KIM, MYUNG SOO, KANG, KI CHEOL
Принадлежит: POSCO

The present invention relates to an ultra-high strength hot dip galvanized steel sheet having excellent surface quality and plating adhesion, comprising: 0.1-0.3 wt% of carbon (C), 0.1-2.0 wt% of silicon (Si), 0.005-1.5 wt% of aluminum (Al), 1.5-3.5 wt% of manganese (Mn), 0.04 wt% or lower of phosphorus (P) (excluding 0 wt%), 0.015 wt% or lower of sulfur (S) (excluding 0 wt%), 0.02 wt% or lower of nitrogen (N) (excluding 0 wt%), and the remaining consisting of iron (Fe) and other unavoidable impurities; and 0.01-0.07 wt% of one or more selected from a group made of bismuth (Bi), tin (Sn), and antimony (Sb), and a manufacturing method thereof. The present invention is to provide a hot dip galvanized steel sheet and a manufacturing method thereof which is able to secure excellent tensile strength, ductility of the steel sheet, and molding machinability; is able to have excellent surface quality and plating adhesion; and is able to prevent plating exfoliation or the like in the molding process ...

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Номер записи: 25
04-07-2016 дата публикации

HIGH-STRENGTH ALLOYED HOT-DIP GALVANIZED STEEL SHEET WITH EXCELLENT SURFACE QUALITY AND POWDERING RESISTANCE AND MANUFACTURING METHOD THEREOF

Номер: KR1020160077571A
Автор: KIM, MYUNG SOO, KANG, KI CHEOL, KIM, JONG SANG
Принадлежит:

The present invention provides a high-strength alloyed hot-dip galvanized steel sheet with excellent surface quality and powdering resistance which forms a cold rolled steel sheet comprising: 0.1-0.3 wt% of C, 1-2.5 wt% of Si, 2.5-10 wt% of Mn, 0.001-0.5 wt% of sol.Al, 0.04 wt% or less of P, 0.015 wt% or less of S, 0.02 wt% or less of N (excluding 0 wt%), 0.1-0.7 wt% of Cr, 0.1 wt% or less of Mo, (48/14)*[N]-0.1 wt% of Ti, 0.005-0.5 wt% of Ni, 0.01-0.07 wt% of Sb, 0.1 wt% or less of Nb, 0.005 wt% or less of B; and the remaining consisting of Fe and inevitable impurities, and an alloy galvanized steel sheet by performing galvanized plating and alloying on the cold rolled sheet. Standard deviation of an iron (Fe) content at a 1/2 spot in a thickness direction of the alloy-plated layer is within 3%. COPYRIGHT KIPO 2016 ...

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Номер записи: 26
11-08-2015 дата публикации

Method for forming functional coating layer on zinc galvanized steel sheet by cold spraying and zinc galvanized steel sheet having functional coating layer

Номер: KR0101543895B1
Автор: 강기철, 김연호, 변창세, 김종상
Принадлежит: 주식회사 포스코

... 본 발명은 저온분사공정을 이용하여 아연도금강판에 기능성 코팅층을 형성하는 방법 및 기능성 코팅층이 형성된 아연도금강판에 관한 것으로, 구체적으로는 아연도금강판을 준비하는 단계; 금속 분말 또는 금속기지 복합재료 분말을 포함하는 코팅용 분말을 준비하는 단계; 및 저온분사 공정 이용하여 상기 코팅용 분말을 아연도금강판의 도금층 상에 분사하여 코팅하는 단계를 포함하는 아연도금강판에 기능성 코팅층을 형성하는 방법과, 상기 방법을 이용하여 아연도금강판 상에 기능성 코팅층이 형성된 아연도금강판을 제공한다. 본 발명은 저온분사 공정을 이용하여 아연도금강판 표면에 기능성 금속 또는 금속기지 복합재료를 포함하는 기능성 코팅층을 형성하되, 상기 강판의 표면에 분사되는 분말의 크기와 온도 및 저온분사 시 상기 분말과 함께 분사되는 공정가스의 압력과 온도를 적절히 제어함으로써, 아연도금강판 상부에 파손을 가하지 않으면서, 우수한 기능성을 가지며, 치밀한 구조와 함께 접합강도가 높은 기능성 코팅층을 간단한 공정으로 형성할 수 있다.

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Номер записи: 27
11-08-2015 дата публикации

Coating Method For Nano-structured Metallic Thin Films Using Supersonic Vacuum-Flow Deposition

Номер: KR0101543891B1
Автор: 강기철, 김연호, 변창세, 김종상
Принадлежит: 주식회사 포스코

... 본 발명은 직경 0.2 내지 100㎛의 금속 분말을 20 내지 400℃의 온도 및 2 내지 10bar의 압력을 갖는 공정가스와 함께 적층 챔버내로 분사하는 단계; 및 상기 분사된 금속분말이 금속 강판, 세라믹 및 플라스틱을 포함하는 군으로부터 선택된 1종 이상의 피착제 표면에 적층되어 금속 코팅층을 형성하는 단계를 포함하는 초음속 진공유동 적층을 통한 나노구조의 금속 박막 코팅방법에 관한 것이다. 본 발명에 따르면 적층된 금속입자가 나조구조의 결정립을 이루게 되므로 코팅층이 보다 치밀한 박막으로 형성될 수 있고 기계적 특성이 향상될 수 있다.

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Номер записи: 28
28-11-2016 дата публикации

ROTARY APPARATUS FOR DRYING AND ROASTING GRAINS

Номер: KR1020160135385A
Автор: KANG, GI CHUL, LEE, SANG KWON, LEE, SANG IK
Принадлежит:

The present invention relates to a rotary apparatus for drying and roasting grains. In the rotary apparatus for drying and roasting grains, a heater is mounted to an inner wall thereof and a cylindrical roasting chamber is formed inside a main body to generate heat; heat vapor is discharged through an air outlet port by a fan motor after foreign materials, heat, and smell components of the heat vapor are completely removed while the heated vapor including smells is moved to a discharge chamber through a discharge pipe and is moving through a zeolite layer, cleaning member, a first mesh screen, a filter, and a second mesh screen; and grains, discharged from a roasting pot of the roasting chamber, are collected in a discharge hopper and then discharged through the discharge pipe (43) when an opening and closing side is opened by a small motor (42). Accordingly, the rotary apparatus of the present invention is able to automatically discharge the dried or roasted grains while not allowing the ...

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Номер записи: 29
26-06-2017 дата публикации

HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND POINT WELDABILITY, AND MANUFACTURING METHOD THEREOF

Номер: KR1020170071658A
Автор: KIM, MYUNG SOO, KANG, KI CHEOL, PARK, IL JEONG
Принадлежит:

The present invention relates to a hot-dip galvanized steel sheet used in a member, etc., for a vehicle body structure and, more specifically, relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and point weldability; and a manufacturing method thereof. To achieve this, the present invention comprises a plated steel sheet and a galvanized layer formed on a surface of the plated steel sheet. COPYRIGHT KIPO 2017 ...

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Номер записи: 30
16-06-2016 дата публикации

ULTRA-HIGH STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND COATING ADHESION, AND METHOD FOR MANUFACTURING THEREOF

Номер: WO2016093598A8
Автор: KIM, Myung-Soo, KANG, Ki-Cheol
Принадлежит:

The present invention relates to an ultra-high strength hot-dip galvanized steel sheet having excellent surface quality and coating adherence and to a method for manufacturing thereof, the ultra-high strength hot-dip galvanized steel sheet comprising: 0.1-0.3% by weight carbon (C); 0.1-2.0% by weight silicon (Si); 0.005-1.5% by weight aluminum (Al); 1.5-3.5% by weight manganese (Mn); 0.04% by weight or less phosphorus (P) (excluding 0% by weight); 0.015% by weight or less sulphur (S) (excluding 0% by weight); 0.02% by weight or less nitrogen (N) (excluding 0% by weight); the balance being Fe; and other inevitable impurities, and further comprising 0.01 wt.% to 0.07 wt.% of at least one kind of element selected from the group consisting of bismuth (Bi), tin (Sn) and antimony (Sb).

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Номер записи: 31
22-01-2019 дата публикации

액상금속취화 균열 저항성이 우수한 강판 및 그 제조방법

Номер: KR0101940912B1
Автор: 이세웅, 이규영, 류주현, 강기철
Принадлежит: 주식회사 포스코

... 본 발명은 액상금속취화 균열 저항성이 우수한 강판 및 그 제조방법에 관한 것이다. 본 발명의 일 실시형태는 중량%로, C: 0.04~0.35%, Al+Si: 0.99%이하, Mn: 3.5~10%, P: 0.05%이하(0% 제외), S: 0.02%이하(0% 제외), N: 0.02%이하(0% 제외), 잔부 Fe 및 기타 불가피한 불순물로 이루어지고, 미세조직이 부피분율로 10%이상의 잔류오스테나이트와 60%이상의 소둔 마르텐사이트 및 20% 이하의 알파 마르텐사이트 및 입실론 마르텐사이트를 포함하며, Mn 고갈층의 평균 두께가 제품 표면으로부터 0.5㎛이상인 액상금속취화 균열 저항성이 우수한 강판 및 그 제조방법을 제공한다. 본 발명의 일측면에 따르면, 점용접 시 발생하는 균열 저항성을 높일 수 있어 용접 후에도 재료의 성능 저감이 없는 냉간 프레스 성형이 가능한 초고강도 고연성 강판의 제조가 가능하다.

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Номер записи: 32
22-06-2018 дата публикации

NON-MAGNETIC STEEL MEMBER WITH EXCELLENT HOT-ROLLING PROPERTIES AND MANUFACTURING METHOD THEREOF

Номер: KR1020180068542A
Автор: KIM, MYUNG SOO, KANG, KI CHEOL, KIM, SUNG KYU
Принадлежит:

The present invention relates to a non-magnetic steel member with excellent hot-rolling properties, used for a transformer structure, and a manufacturing method thereof. According to the present invention, the non-magnetic steel member with excellent hot-rolling properties comprises: 15 to 27 weight percent of Mn; 0.1 to 1.1 weight percent of C; 0.0005 to 0.01 weight percent of B; 0.1 to 0.5 weight percent of Sb; and the remainder being Fe and unavoidable impurities. As a microstructure, 90% of austenite by area fraction, and the remainder being impurities or ε-martensite are included. COPYRIGHT KIPO 2018 (A1,A2) Internal oxidization (BB) Invented steel 4 (CC) Comparative steel 1 ...

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Номер записи: 33
29-06-2018 дата публикации

HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND PLATING ADHESION AND MANUFACTURING METHOD THEREOF

Номер: KR1020180072446A
Автор: KANG, KI CHEOL, KIM, MYUNG SOO, PARK, IL JEONG, SONG, YON KYUN
Принадлежит:

The present invention relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and plating adhesion and a manufacturing method thereof. The high-strength hot-dip galvanized steel sheet having excellent surface quality and plating adhesion comprises: a cold-rolled steel sheet including 0.05-0.3 wt% of C, 6.5-20 wt% of Mn, 0.3-1.5 wt% of Si, 0.001-0.5 wt% of Al, 0.04 wt% or lower of P (excluding 0), 0.015 wt% or lower of S (excluding 0), 0.02 wt% or lower of N (excluding 0), and the remainder consisting of Fe and inevitable impurities; and a hot-dip galvanized layer formed on the cold-rolled steel sheet. 70 area% of an Fe-Al alloy phase with respect to a surface area of the cold-rolled steel sheet is formed on an interface of the cold-rolled steel sheet and the hot-dip galvanized layer. According to the present invention, tensile strength is 900 MPa or higher; tensile strength x elongation ratio is 15,000 MPa% or higher; and the high-strength hot-dip galvanized ...

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Номер записи: 34
25-06-2020 дата публикации

ZINC PLATED STEEL SHEET HAVING EXCELLENT SPOT WELDABILITY AND MANUFACTURING METHOD THEREOF

Номер: WO2020130602A2
Автор: KANG, Ki-Cheol, LEE, Sea-Woong, LEE, Kyoo-Young, KIM, Jong-Ho, IM, Young-Roc
Принадлежит:

The present invention relates to a zinc plated steel sheet having excellent spot weldability and a manufacturing method thereof. The zinc plated steel sheet according to an aspect of the present invention comprises a steel sheet and a zinc plated layer formed on the surface of the steel sheet, wherein the ratio (a/b) between a widthwise average value (a) of thickness of an internal oxidized layer and a widthwise standard deviation (b) of thickness of the internal oxidized layer in the steel sheet may be 1.5 or more.

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Номер записи: 35
10-08-2016 дата публикации

표면품질, 도금밀착성 및 성형성이 우수한 고강도 용융아연도금강판 및 그 제조방법

Номер: KR0101647224B1
Автор: 김명수, 강기철, 김종호
Принадлежит: 주식회사 포스코

... 본 발명은 중량%로, C: 0.1~0.3%, Si: 1~2.5%, Mn: 2.5~8%, sol.Al: 0.001~0.5%, P: 0.04% 이하, S: 0.015% 이하, N: 0.02% 이하 (0% 제외), Cr: 0.1~0.7%, Mo: 0.1% 이하, Ti: (48/14)*[N]~0.1%, Ni: 0.005~0.5%, Sb: 0.01~0.07%, Nb: 0.1 이하, B: 0.005% 이하, 잔부 Fe 및 기타 불가피한 불순물을 포함하는 냉연강판과 상기 냉연강판 상에 아연도금층이 형성되고, 상기 아연도금층 내부의 냉연강판의 표면에서 0.1㎛의 깊이까지의 평균 Sb 함량은, 상기 냉연강판의 표면에서 0.5㎛ 이상의 깊이에서의 평균 Sb 함량보다 1.5배 이상인 표면품질, 도금밀착성 및 성형성이 우수한 고강도 용융아연도금강판을 제공한다.

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Номер записи: 36
17-09-2018 дата публикации

연속 생산성이 우수한 고강도 열연강판, 표면 품질 및 도금 밀착성이 우수한 고강도 용융아연도금강판 및 이들의 제조방법

Номер: KR0101899688B1
Автор: 김명수, 강기철, 박일정
Принадлежит: 주식회사 포스코

... 중량%로, C: 0.14~0.3%, Si: 1~2.0%, Mn: 2.6~5%, sol.Al: 0.001~2%, Ti: (48/14)*[N]~0.1%, P: 0.04% 이하(0% 제외), S: 0.015% 이하(0% 제외), N: 0.02% 이하(0% 제외), Sb, Bi, Sn, Zn 중 1종 이상: 합계 0.08~0.2%, 잔부 Fe 및 불가피한 불순물을 포함하는 열연강판으로서, 상기 열연강판의 표층부에는 Si, Mn, Al, Fe 중 1종 이상의 원소를 함유하는 내부 산화물이 존재하고, 상기 내부 산화물의 최대 깊이는 1μm 이하(0μm 포함)인 고강도 열연강판 등이 개시된다.

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Номер записи: 37
30-06-2016 дата публикации

HIGH STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY, PLATING ADHESION, AND FORMABILITY, AND METHOD FOR MANUFACTURING SAME

Номер: WO2016105115A8
Автор: KIM, Myung-Soo, KANG, Ki-Cheol, KIM, Jong-Ho
Принадлежит:

The present invention provides a high strength galvanized steel sheet having excellent surface quality, plating adhesion, and formability, wherein a galvanized layer is formed on a cold-rolled steel sheet comprising 0.1-0.3 wt% of C, 1-2.5 wt% of Si, 2.5-8 wt% of Mn, 0.001-0.5 wt% of sol. Al, at most 0.04 wt% of P, at most 0.015 wt% of S, at most 0.02 wt% of N (excluding 0 wt%), 0.1-0.7 wt% of Cr, at most 0.1 wt% of Mo, (48/14)*[N] to 0.1 wt% of Ti, 0.005-0.5 wt% of Ni, 0.01-0.07 wt% of Sb, at most 0.1 wt% of Nb, and at most 0.005 wt% of B, with the remainder being Fe and other inevitable impurities, and the average content of Sb in the galvanized layer from the surface of the cold-rolled steel sheet up to a depth of 0.1 ㎛ is at least 1.5 times that at a depth of at least 0.5 ㎛ from the surface of the cold-rolled steel sheet.

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Номер записи: 38
10-08-2016 дата публикации

표면품질 및 도금밀착성이 우수한 고강도 용융아연도금강판 및 그 제조방법

Номер: KR0101647223B1
Автор: 강기철, 김명수, 민광태
Принадлежит: 주식회사 포스코

... 본 발명은 중량%로, C: 0.1~0.3%, Si: 1~2.5%, Mn: 2.5~6%, sol.Al: 0.05% 이하(0은 제외), P: 0.04% 이하(0은 제외), S: 0.015% 이하(0은 제외), N: 0.02% 이하(0은 제외), Cr: 0.1~0.7%, Mo: 0.001~0.1% 이하, Ti: (48/14)×[N]~0.1%, Ni: 0.005~0.5%, Nb: 0.1% 이하, B: 0.005% 이하를 포함하고, Bi, Sn 및 Sb 중 하나 이상을 합계로 0.01~0.07% 포함하고, 잔부가 Fe 및 불가피한 불순물로 구성된 소지강판 및 상기 소지강판 표면에 용융아연 도금층을 가지며, 상기 도금층과 소지철 계면에 Fe-Al 합금상이 상기 소지강판 표면 면적에 대하여 70% 이상의 면적을 차지하며, 900MPa 이상의 인장강도를 갖는 표면품질 및 도금밀착성이 우수한 고강도 용융아연도금강판 및 그 제조방법을 제공한다.

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Номер записи: 39
16-06-2015 дата публикации

FASTENING DEVICE FOR BELAY ROPE

Номер: KR101528699B1
Автор: GIM, JU HOE, KANG, GI CHEOL
Принадлежит: GIM, JU HOE, KANG, GI CHEOL

The present invention relates to a fastening device for a belay rope which has a simple configuration and excellent safety, and controls the length of the belay rope simply. The fastening device comprises a hanger unit (100) which is detachably fit into an object(10) fixated into a climbing wall and a building; a protrusion unit(200) which protrudes lengthily in a base end side of the hanger portion (100) and has a slot(210) along a longitudinal direction; and a slider(300) which is coupled with the protrusion unit (200) to cross the long slot (210) and slid along a longitudinal direction of the slot(219). Additionally, according to the fastening device of the present invention, the slot (210) is divided into a first hole unit (212) and a second hole unit (214), wherein the first hole is positioned relatively adjacent to the hanger unit by the slider (300) and the second hole unit (214) faces the first hole unit (212). Accordingly, when an end of a belay rope is fit into the first hole ...

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Номер записи: 40
04-06-2015 дата публикации

MANUFACTURING METHOD OF STEEL FISHING REEF WITH EXCELLENT CORROSION-RESISTANT SURFACE AND GROWTH CONDITION

Номер: KR1020150061495A
Автор: KIM, YUNG KEUN, KANG, KI CHEOL, KIM, JONG SANG
Принадлежит:

The present invention relate to a manufacturing method of steel fishing reef comprising a micropowdering step by crushing steel slag and a coating step for the steel slag micropowder on the steel surface. According to the present invention, the steel slag with a high content of calcium and iron ingredients can be used to actively induce photosynthesis and protein synthesis of oceanic organisms, and to provide a steel type artificial reef with various shapes, excellent corrosion-resistance, and very remarkable initial adhesion and growth condition for marine algae. COPYRIGHT KIPO 2015 (AA) Red and blue generation time(Hr.) (BB) Coating layer thickness(mm) ...

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Номер записи: 41
02-07-2015 дата публикации

METAL-COATED STEEL SHEET AND MANUFACTURING METHOD THEREOF

Номер: KR1020150074999A
Автор: KIM, YEON HO, KANG, KI CHEOL, KIM, JONG SANG, BYEON, CHANG SE
Принадлежит:

The present invention relates to a metal-coated steel sheet and a manufacturing method thereof and, more specifically, to a metal-coated steel sheet on which a coating layer including a dense coating structure actually having no pore is formed by injecting a powder or gas heated at a pressure of 20 Torr or less to a steel sheet and to a manufacturing method thereof. The manufacturing method of the metal-coated steel sheet of the present invention is capable of injecting the metal powder by producing high-pressure gas without increasing gas consumption by using the heated gas; increasing an injection pressure of the heated gas by cooling the inside of a vacuum body wherein a coating work is performed; and stably injecting the powder by preventing an increase in the inner pressure of the vacuum body when the gas is injected. In addition, the present invention is capable of improving the efficiency of coating the powder due to plastic deformation by injecting the powder heated at a temperature ...

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Номер записи: 42
11-11-2015 дата публикации

METAL-COATED STEEL SHEET AND METHOD FOR MANUFACTURING THEROF

Номер: KR0101568536B1
Автор: 김연호, 강기철, 김종상, 변창세
Принадлежит: 주식회사 포스코

... 본 발명은 금속코팅강판 및 그 제조방법에 관한 것으로, 구체적으로는 20 Torr 이하의 압력에서 가열된 분말 및 가스를 강판 상에 분사하여 실질적으로 기공이 없는 치밀한 코팅 구조물을 포함하는 코팅층이 형성된 금속코팅강판 및 그 제조방법에 관한 것이다. 본 발명의 금속코팅강판 제조방법은 가열된 가스를 사용함으로써 가스의 소모량을 증가시키지 않고도 고압의 가스를 형성하여 금속 분말을 분사할 수 있으며, 코팅이 이루어지는 진공바디의 내부를 냉각시킴으로써 상기 가열된 가스의 분사 압력을 높일 수 있을 뿐만 아니라, 가스가 분사될 때 진공바디 내부의 압력이 상승하는 것을 방지하여 안정적으로 분말이 분사되도록 한다. 또한, 연하점 미만으로 가열된 분말을 강판 상에 분사하거나, 입도 등이 상이한 2종의 분말을 동시 또는 이시에 분사함으로써 소성변형에 의한 분말의 코팅효율을 향상시킬 수 있다. 본 발명의 금속코팅강판은 치밀한 코팅 구조물을 포함하는 코팅층이 강판 상에 형성되어 내식성 등을 확보할 수 있으며, 코팅 분말 자체의 기능성 또한 확보할 수 있다.

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Номер записи: 43
17-07-2017 дата публикации

표면품질 및 점 용접성이 우수한 고강도 용융아연도금강판 및 그 제조방법

Номер: KR0101758485B1
Автор: 김명수, 강기철, 박일정
Принадлежит: 주식회사 포스코

... 본 발명은 자동차 차체 구조용 부재 등에 사용되는 용융아연도금강판에 관한 것으로서, 보다 상세하게는 표면품질 및 점 용접성이 우수한 고강도 용융아연도금강판 및 그 제조방법에 관한 것이다.

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Номер записи: 44
01-07-2015 дата публикации

METHOD FOR COATING METAL THIN FILM OF NANOSTRUCTURE THROUGH SUPERSONIC VACUUM FLOW DEPOSITION

Номер: KR1020150073530A
Автор: KANG, KI CHEOL, KIM, YEON HO, BYEON, CHANG SE, KIM, JONG SANG
Принадлежит:

The present invention relates to a method for coating a metal thin film of a nanostructure through supersonic vacuum flow deposition comprising: a step of injecting metallic powder having a diameter of 0.2-100 μm with a process gas having a temperature of 20-400°C and pressure of 2-10 bar to a deposition chamber; and a step of forming a metal coating layer by depositing the injected metallic powder on at least one kind of adherend surface selected from the group consisting of a metal steel sheet, ceramic, and plastic. The present invention has effects of improving mechanical properties, forming a coating layer which is a more compact thin-film as deposited metallic particles form a crystal grain of a nanostructure. COPYRIGHT KIPO 2015 (302) Deposition (301) Non-deposition ...

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Номер записи: 45
25-06-2020 дата публикации

HIGH-STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT ELECTRICAL RESISTANCE SPOT WELDABILITY, AND METHOD FOR PRODUCING SAME

Номер: WO2020130631A1
Автор: KANG, Ki-Cheol, UHM, Sang-Ho, JEE, Chang-Woon, JEONG, Yeon-Chae, MIN, Kwang-Tai
Принадлежит:

The present invention pertains to: a galvanized steel sheet having excellent spot weldability; and a method for producing same. A galvanized steel sheet according to an aspect of the present invention comprises a base steel sheet and a zinc-based plating layer formed on the base steel sheet, wherein the surface layer of the base steel sheet may have a decarburization rate of at least 30% as represented by equation 1. [Equation 1]: Decarburization rate (%) of surface layer = (1 – average carbon concentration in surface layer/bulk carbon concentration)*100, where the surface layer refers to a region extending to a depth of 35 µm from the surface of the base steel sheet.

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Номер записи: 46
10-08-2016 дата публикации

표면품질 및 내파우더링성이 우수한 고강도 합금화용융아연도금강판 및 그 제조방법

Номер: KR0101647225B1
Автор: 김명수, 강기철, 김종상
Принадлежит: 주식회사 포스코

... 본 발명은 중량%로, C: 0.1~0.3%, Si: 1~2.5%, Mn: 2.5~10%, sol.Al: 0.001~0.5%, P: 0.04% 이하, S: 0.015% 이하, N: 0.02% 이하 (0% 제외), Cr: 0.1~0.7%, Mo: 0.1% 이하, Ti: (48/14)*[N]~0.1%, Ni: 0.005~0.5%, Sb: 0.01~0.07%, Nb: 0.1 이하, B: 0.005% 이하, 잔부 Fe 및 기타 불가피한 불순물을 포함하는 냉연강판 및 상기 냉연강판 상에 용융아연도금되고 합금화되어 합금화도금층을 형성하고, 상기 합금화도금층의 두께방향 1/2 지점에서의 철(Fe)함량의 표준편차는 3% 이내인 표면품질 및 도금층 내파우더링성이 우수한 고강도 합금화용융아연도금강판을 제공한다.

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Номер записи: 47
17-09-2018 дата публикации

표면품질과 도금밀착성이 우수한 고강도 용융아연 도금강판 및 그 제조방법

Номер: KR0101899680B1
Автор: 강기철, 김명수, 박일정, 송연균
Принадлежит: 주식회사 포스코

... 본 발명은 표면품질과 도금밀착성이 우수한 고강도 용융아연 도금강판 및 그 제조방법에 관한 것이다. 본 발명은 중량%로, C: 0.05~0.3%, Mn: 6.5~20%, Si: 0.3~1.5%, Al: 0.001~0.5%, P 0.04% 이하(0은 제외), S: 0.015% 이하(0은 제외), N: 0.02% 이하(0은 제외), 잔부 Fe 및 기타 불가피한 불순물을 포함하는 냉연강판과 상기 냉연강판 상에 형성되는 용융아연도금층을 포함하고, 상기 냉연강판과 용융아연도금층의 계면에 Fe-Al 합금상이 상기 냉연강판 표면 면적에 대하여 70면적%이상 형성되는 표면품질과 도금밀착성이 우수한 고강도 용융아연 도금강판 및 그 제종방법을 제공한다. 본 발명에 따르면, 인장강도가 900MPa 이상이고, 인장강도×연신율이 15,000MPa% 이상이며, 표면품질과 도금밀착성 또한 우수한 고강도 용융아연 도금강판을 제공할 수 있다.

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Номер записи: 48