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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 6. Отображено 6.
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
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: 2
19-05-2011 дата публикации

WATER PIPE FOR WHICH HYDROFORMING IS EMPLOYED, AND A PRODUCTION METHOD THEREFOR

Номер: KR2011059147A1
Автор: PARK, Sung-Pill, JIN, Kyung-Soo, KIM, Yun-Gyu, MOON, Man-Been
Принадлежит:

Disclosed are a twin-piping water pipe for which hydroforming is employed, and a production method therefor. According to the present invention, the production method for the twin-piping water pipe for which hydroforming is employed comprises the steps of: (a) inserting, into an outer tube formed from steel, an inner tube which is formed from a corrosion resistant material selected from stainless steel, titanium and aluminium and which has an outer diameter smaller than the inner diameter of the outer tube; (b) stably placing the outer tube in a mould and then sealing the two ends of the mould by using a sealing means having a throughhole connected to a fluid supply device for supplying a fluid to the inner tube; (c) supplying the fluid to the inner tube and thereby plastically expanding the inner tube and resiliently expanding the outer tube; and (d) discharging the fluid from the inner tube and thereby resiliently restoring the outer tube and subjecting the inner tube and the outer tube ...

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Номер записи: 3
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: 4
01-09-2011 дата публикации

HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT PLATABILITY AND METHOD FOR MANUFACTURING SAME

Номер: WO2011105652A1
Автор: KIM, Hoon-Dong, BOK, Hyun-Ho, LEE, Kang-Roh, MOON, Man-Been
Принадлежит:

Disclosed are a high-strength steel sheet which exhibits excellent platability and has a tensile strength of 590 MPa or more and a tensile strength-elongation balance (TS × El) of 16,250 MPa·% or more, as well as a method for manufacturing the high-strength steel sheet. The high-strength steel sheet having excellent platability according to the present invention comprises, by weight %, 0.03-0.10% of C, 0.005-0.105% of Si, 1.0-3.0% of Mn, 0.005-0.040% of P, 0.003% or less of S, 0.003-0.008% of N, 0.05-0.40% of Al, Mo or Cr satisfying the condition of 10 ≤ 50· [Mo %] + 100· [Cr %] ≤ 30, 0.005-0.020% of Ti, 0.005-0.050% of V, and/or 0.0005-0.0015% of B, with the remainder being Fe and unavoidable impurities. A microstructure of the high-strength steel sheet is a complex microstructure containing, by sectional structure area %, 70% or more of ferrite having a Vickers hardness of 120-250 HV, and 10% or more of martensite having a Vickers harness of 321-555 HV.

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Номер записи: 5
29-12-2011 дата публикации

SEPARATOR PLATE FOR A FUEL CELL AND A PRODUCTION METHOD THEREFOR

Номер: KR2011162431A1
Автор: JEON, Yoo-Taek, KIM, Eun-Young, MOON, Man-Been
Принадлежит:

The present invention relates to a separator plate for a fuel cell and to a method for producing the same, and relates to an invention wherein a surface-modification layer is formed through the use of low temperature plasma processing such that it is possible to prevent the hydrophobic characteristics which occur during gasket forming and to have outstanding hydrophilic characteristics, and such that it is possible to obtain the advantageous effect of highly outstanding corrosion resistance and electrical conductivity not only initially but also even after long-term use in a fuel-cell operating environment, and also such that it is possible to maintain outstanding durability even when using a normal low-price stainless-steel sheet base material, and it is possible to reduce the unit cost of production of the separator plate for the fuel cell since surface processing can be carried out at low cost.

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Номер записи: 6