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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 12. Отображено 12.
10-05-2012 дата публикации

METHOD FOR MANUFACTURING AUTOMOBILE PART HAVING DIFFERENT LOCAL STRENGTHS USING HEAT-TREATMENT HARDENING STEEL PLATE

Номер: KR2012060496A1
Автор: NAM, Seung-Man, CHAE, Su-Hong, KWON, Min-Suck, KIM, Hyo-Sub, IM, Hee-Joong, LEE, Bo-Ryong, MOON, Man-Been
Принадлежит:

The present invention relates to a method for manufacturing automobile parts having different local strengths, and more specifically, to a method for manufacturing automobile parts using a heat-treatment hardened steel having different local thicknesses. The present invention provides a method for manufacturing automobile parts comprising: a blank sheet preparation step for preparing blank sheets using a heat-treatment hardening steel plate having different thicknesses, and a heat-treatment hardening steel plate having different materials, according to the strength required; a blank conjugate forming step for forming a blank conjugate by connecting the blank sheets using laser welding; a cold molding step for cold press molding the blank conjugates; and a heat-treatment hardening step for heating the cold-molded part to above AC3 temperature, then resolving mold retention stress by quenching the part when constrained in a metal mold, and enhancing the strength thereby.

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Номер записи: 1
25-01-2018 дата публикации

METHOD FOR MANUFACTURING HOT-ROLLED COIL, AND METHOD FOR SHAPE-CORRECTION OF HOT-ROLLED COIL

Номер: WO2018016908A1
Автор: CHO, Seung Han, HWANG, Ji Seong, KIM, Tae Kyung, KIM, Hyun Soo, KIM, Hyeong Jin, PARK, Myung Soo, PARK, Young Soo, LEE, Ki Pyo, LEE, Seung Ha, LIM, Jong Hyob, LIM, Jun Seok, LIM, Hee Joong
Принадлежит:

Disclosed is an invention related to a method for manufacturing a hot-rolled coil and a method for shape-correction of a hot-rolled coil. In a specific embodiment, the method for manufacturing a hot-rolled coil comprises: a step for reheating slab steel including 0.18-0.56 wt% of carbon (C), 0.1-0.5 wt% of silicon (Si), 0.7-6.5 wt% of manganese (Mn), more than 0 wt% and at most 0.02 wt% of phosphorus (P), more than 0 wt% and at most 0.02 wt% of sulfur (S), more than 0 wt% and at most 0.3 wt% of chromium (Cr), more than 0 wt% and at most 0.004 wt% of boron (B), and 0.01-0.04 wt% of titanium (Ti), with the remainder being iron (Fe) and inevitable impurities; a step for forming a hot-rolled sheet by hot-rolling the slab steel under the conditions of a final hot-rolling temperature of 850°C-950°C; and a step for winding at a winding temperature of 700°C or greater by cooling the hot-rolled sheet.

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Номер записи: 2
22-04-2010 дата публикации

METHOD FOR MANUFACTURING SUPER STRONG STEEL BODY FOR MANUFACTURE OF PRODUCTS WITH COMPLICATED SHAPE

Номер: KR2010044530A1
Автор: IM, Hee Joong, NAM, Seung Man, MOON, Man Been, NA, Sang Muk, NAMKOONG, Sung
Принадлежит:

The present invention relates to a method for manufacturing a super strong steel body, more specifically, to the method for manufacturing a super strong steel body suitable for the processing of products with complicated shapes and deep casting depths. The present invention comprises: a sheet preparation step for blanking a steel sheet with curing ability in a certain shape and cutting the steel sheet; a cold forming step for cold pressing the steel sheet and forming the steel sheet with 50~80% the thickness of the height of the end product; a trimming step for precisely cutting the cold formed product along the outline of the finished goods; and a hot forming and cooling step for simultaneously hot press forming the trimmed goods with 20~50% the thickness of the height of the end product and cooling the trimmed goods from the heated state after heating the trimmed goods over 700℃ for austenitization.

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Номер записи: 3
06-11-2015 дата публикации

PAINT FOR COLOR STEEL PLATE AND METHOD FOR MANUFACTURING COLOR STEEL PLATE USING SAME

Номер: KR1020150124814A
Автор: YOON, MAN SEOK, IM, HEE JOONG
Принадлежит:

Disclosed are a paint for a high weather resistance color steel plate having an excellent heat-insulting property and a method for manufacturing a color steel plate using the same. A paint for a color steel plate according to the present invention comprises a solid and a solvent, wherein the solid comprises an inorganic paint of 5 to 40 parts by weight and an ultraviolet ray absorbent of 1 to 5 parts by weight based on a polyester resin of 100 parts by weight having average molecular weight of 20,000 or more. COPYRIGHT KIPO 2016 ...

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Номер записи: 4
19-06-2014 дата публикации

GALVANIZED STEEL SHEET FOR HOT STAMPING AND HAVING EXCELLENT IMPACT CHARACTERISTICS, AND METHOD FOR MANUFACTURING STEEL PRODUCT HAVING DIFFERENT STRENGTHS USING SAME

Номер: WO2014092376A1
Автор: LEE, Young-Soo, NAM, Seung-Man, KWON, Min-Suck, LEE, Seung-Ha, IM, Hee-Joong, LEE, Bo-Ryong
Принадлежит:

According to the present invention, a galvanized steel sheet for hot stamping comprises by weight%: C: 0.05-0.17%; Si: 0.01-0.55%; Mn: 1.0-2.3%; P: 0.04% or less; S: 0.015% or less; Cr: 0.01-0.38%; Mo: 0.001-0.25%; Ti: 0.03-0.1%; Nb: 0.004-0.1%, and the remainder of Fe and inevitable impurities. A plated layer including zinc is formed on the surface of the galvanized steel sheet, and the galvanized steel sheet after hot stamping exhibits a tensile strength of 700-1200 MPa and tensile modulus of at least 12.0%.

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Номер записи: 5
03-01-2013 дата публикации

HEAT-HARDENED STEEL WITH EXCELLENT CRASHWORTHINESS AND METHOD FOR MANUFACTURING HEAT-HARDENABLE PARTS USING SAME

Номер: WO2013002441A1
Автор: NAM, Seung-Man, IM, Hee-Joong, LEE, Seung-Ha, KIM, Dong-Eun, LEE, Bo-Ryong, KIM, Young-Jin, MOON, Man-Been
Принадлежит:

Disclosed are heat-hardened steel with excellent crashworthiness and a method for manufacturing heat-hardenable parts using the same. The heat-hardened steel according to the invention comprises, based on wt%, C: 0.12-0.8 %, Cr : 0.01-2 %, Mo: 0.2 % or less, B: 0.0005-0.08 %, Ca: 0.01 or less, Sb: 1.0 % or less, and Ti and/or Nb: 0.2 %, and the reminder being Fe and inevitable impurities. In addition, the heat-hardened steel satisfies any one of following conditions i)-iv), wherein condition i) comprises Si: 0.5-3 %, Mn: 1-10 % and Al: 0.05-2 %, condition ii) comprises Si: 1 % or less, Mn: 0.5-5 %, Al: 0.1-2.5 %, and Ni: 0.01-8 %, condition iii) comprises Si: 0.5-3 %, Mn: 1-10 %, Al: 0.1 % or less, and Ni: 0.01-8 %, and condition iv) comprises Si: 0.5-3 %, Mn: 1-10 %, Al: 0.1-2.5 %, and Ni: 0.01-8 %.

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Номер записи: 6
03-01-2019 дата публикации

HOT-STAMPED PART AND METHOD FOR MANUFACTURING SAME

Номер: WO2019004540A1
Автор: YOO, Byung Gil, DO, Hyeong Hyeop, SONG, Chee Woong, LIM, Hee Joong, HUH, Sung Yul
Принадлежит:

A method for manufacturing a hot-stamped steel according to an embodiment comprises the steps of: reheating a steel slab at a temperature of 1200 to 1250°C, the steel slab including, by wt%, 0.20 to 0.50% of carbon (C), 0.05 to 1.00% of silicon (Si), 0.10 to 2.50% of manganese (Mn), 0 to 0.015% (0 exclusive)of phosphorus (P), 0 to 0.005% (0 exclusive) of sulfur (S), 0.05 to 1.00% of chromium (Cr), 0.001 to 0.009% of boron (B), 0.01 to 0.09% of titanium (Ti), and the balance of iron (Fe) and inevitable impurities; finish-rolling the reheated steel slab at a temperature of 880-950°C; subjecting the hot-rolled steel sheet to waterless cooling, followed by winding thereof at 680-800°C to form a hot-rolled decarburized layer on a surface thereof; subjecting the wound steel sheet to pickling, followed by cold-rolling; annealing the cold-rolled sheet material in a reducing atmosphere; plating the annealed sheet material; and hot-stamping the plated sheet material.

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Номер записи: 7
04-01-2019 дата публикации

핫 스탬핑 부품 및 이의 제조방법

Номер: KR1020190001493A
Автор: 유병길, 도형협, 송치웅, 임희중, 허성열
Принадлежит:

... 일 실시 예에 따른 핫스탬핑강의 제조 방법에 있어서, 중량%로, 탄소(C): 0.20~0.50%, 실리콘(Si): 0.05~1.00%, 망간(Mn) : 0.10~2.50%, 인(P): 0 초과 0.015% 이하, 황(S): 0 초과 0.005% 이하, 크롬(Cr): 0.05~1.00%, 보론(B): 0.001~0.009%, 티타늄(Ti): 0.01~0.09% 및 잔부의 철(Fe)과 불가피한 불순물을 포함하는 강 슬라브를 1200~1250℃의 온도로 재가열하는 단계; 상기 재가열한 강 슬라브를 900~950℃의 온도에서 마무리압연하는 단계; 상기 열간 압연된 강판을 무주수 냉각하고 680~800℃에서 권취하여 표면에 열연 탈탄층을 생성하는 단계; 상기 권취된 강판을 산세 후 냉간압연하는 단계; 상기 냉간압연된 판재를 환원분위기에서 소둔 처리하는 단계; 상기 소둔 처리된 판재를 도금 처리하는 단계; 및 상기 도금처리된 판재를 핫 스탬핑하는 단계;를 포함한다.

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Номер записи: 8
09-12-2015 дата публикации

PIPE-SHAPED STEEL PRODUCT AND MANUFACTURING METHOD THEREOF

Номер: KR1020150137658A
Автор: LEE, SEUNG HA, KIM, TAE EUNG, DO, HYEONG HYEOP, PARK, SE HO, IM, HEE JOONG
Принадлежит:

Disclosed is a method to manufacture a pipe-shaped steel product capable of exhibiting a tensile strength of 1750 MPa or greater. According to the present invention, the pipe-shaped steel product comprises: 0.32-0.38 wt% of carbon (C); 0.5 wt% or less of silicon (Si); 1.0-1.5 wt% of manganese (Mn); 0.02 wt% or less of phosphorus (P); 0.01 wt% or less of sulfur (S); 0.01-0.05 wt% of aluminum (Al); 0.01-0.10 wt% of titanium (Ti); 0.1-1.0 wt% of chromium (Cr); 0.0005-0.005 wt% of boron (B); 0.01 wt% or less of nitrogen (N); less than 0.003 wt% of oxygen (O); and the remainder consisting of iron (Fe) and inevitable impurities, wherein the tensile strength is greater than or equal to 1750 MPa. COPYRIGHT KIPO 2016 ...

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Номер записи: 9
04-04-2013 дата публикации

PREPARATION METHOD OF STEEL PRODUCT HAVING DIFFERENT STRENGTHS USING LASER HEAT TREATMENT, AND HEAT HARDENED STEEL USED THEREIN

Номер: WO2013047939A1
Автор: IM, Hee-Joong, NAM, Seung-Man, LEE, Bo-Ryong, KIM, Kyung-Bo, JUNG, Youn-Il
Принадлежит:

Disclosed are a preparation method of a steel product capable of local reinforcement using laser heat treatment, and a heat hardened steel used in the method. According to the present invention, the preparation method of a steel part comprises the following steps: (a) preparing a material comprising 0.1-0.5 wt% of C, 0.1-0.5 wt% of Si, 0.5-3.0 wt% of Mn, 0.1 wt% or less of P, 0.05 wt% or less of S, 0.01-1.0 wt% of Cr, 0.1 wt% or less of Al, 0.2 wt% or less of Ti, 0.0005-0.08 wt% of B, and the balance of Fe and inevitable impurities; (b) preparing a formed product by forming the material into a predetermined shape; and (c) locally reinforcing the high strength portion by carrying out laser heat treatment on a portion requiring high strength at the formed product.

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Номер записи: 10
19-10-2017 дата публикации

MANUFACTURING METHOD FOR HOT ROLLED COIL AND METHOD FOR CORRECTING SHAPE OF HOT ROLLED COIL

Номер: KR101787275B1
Автор: CHO, SEUNG HAN, HWANG, JI SEONG, KIM, TAE KYUNG, KIM, HYUN SOO, KIM, HYEONG JIN, PARK, MYUNG SOO, PARK, YOUNG SOO, LEE, KI PYO, LEE, SEUNG HA, LIM, JONG HYOB, LIM, JUN SEOK, LIM, HEE JOONG
Принадлежит: HYUNDAI STEEL COMPANY

The present invention provides a method for manufacturing a hot-rolled coil and a method for correcting the shape of the hot-rolled coil. According to a specific embodiment, a hot-rolled coil comprises: 0.18-0.56 wt% of carbon (C); 0.1-0.5 wt% of silicon (Si); 0.1-0.5 wt% of manganese (Mn); 0.7-6.5 wt% of phosphorus (P); greater than 0 and less than or equal to 0.02 wt% of sulfur (S); greater than 0 and less than or equal to 0.02 wt% of chromium (Cr); greater than 0 and less than or equal to 0.3 wt% of boron (B); greater than 0 and less than or equal to 0.004 wt% of titanium (Ti); 0.01-0.04 wt% and a residual amount of iron (Fe); and other inevitable impurities. The method for manufacturing a hot-rolled coil comprises the following steps of: reheating a steel slab; forming a heat-rolled plate by hot-rolling the steel slab at the finishing rolling temperature of 850-950°C; and winding the hot-rolled plate at the winding temperature higher or equal to 700°C by cooling the hot-rolled plate ...

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Номер записи: 11
06-11-2015 дата публикации

PAINT FOR COLOR STEEL PLATE AND METHOD FOR MANUFACTURING COLOR STEEL PLATE USING SAME

Номер: KR1020150124813A
Автор: YOON, MAN SEOK, IM, HEE JOONG
Принадлежит:

Disclosed are a paint for a high weather resistance color steel plate having excellent corrosion resistance and a method for manufacturing a color steel plate using the same. A paint for a color steel plate according to the present invention comprises a solid and a solvent, wherein the solid comprises an inorganic paint of 5 to 40 parts by weight and an ultraviolet ray absorbent of 1 to 5 parts by weight based on a polyester resin of 100 parts by weight having average molecular weight of 20,000 or more. COPYRIGHT KIPO 2016 ...

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Номер записи: 12