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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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Применить Всего найдено 2. Отображено 2.
18-06-2008 дата публикации

Method of preparing novel silver tin oxide silk electrical contact material

Номер: CN0101202169A
Автор: BAI XIAOPING, WANG DAWU, LIN WANHUAN, ZHANG MINGJIANG, YAN XIAOFANG, LIU JIEZHAO, LI GUOWEI, XIAOPING BAI, DAWU WANG, WANHUAN LIN, MINGJIANG ZHANG, XIAOFANG YAN, JIEZHAO LIU, GUOWEI LI
Принадлежит:

The invention relates to a novel preparing method of a material used for a silver tin oxide wire electric contact. The invention has a process that the material prepared by silver, tin and additives according to a certain proportion is put into an intermediate frequency smelter for melting; a high pressure water atomizing device is adopted for high pressure alloy atomization; atomized alloy powder is dried and oxidated for modification; an isostatic pressing ingot is formed after isostatic pressing treatment; the ingot is agglomerated in a heating furnace; the agglomerated ingot is delivered into an extruding machine to extrude wires; the extruded wire is pulled and annealed to get a finished wire. The material property and electric property of the silver tin oxide wire electric contact material manufactured by the method can satisfy the use condition with high requirement.

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Номер записи: 1
23-07-2008 дата публикации

Method for manufacturing cuprum-cover-silver as well as silver alloy three composite rivet contact

Номер: CN0101226836A
Автор: JIN AIJUN, DENG ZIHAO, LIU JIEZHAO, LIU YINGFEI, MA SIPING, AIJUN JIN, ZIHAO DENG, JIEZHAO LIU, YINGFEI LIU, SIPING MA
Принадлежит:

Disclosed is a process for preparing copper three composite rivet contacts of bonding sliver and silver alloy, an additional eccentric tube and a set of additional wire-feeders are disposed at one side of a bed die of a 30 type dual composite cold holder, an S lead rail of the 30 type dual composite cold holder is changed to a three-step lead rail to realize the process that one of cutting knives cuts two-section materials. One of cutting knives cuts two-section materials, a first draw stick sends the three composite materials to the bed die, and the three composite materials are continuously upset and deformed in the bed die, thereby completing bonding sliver on the foot portions of the three composite rivet contacts. The method is simple and feasible, and can complete the preparation of copper bonding sliver and three composite rivet contacts of sliver alloy, further, the invention is high in productivity effect and in material utilization.

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Номер записи: 2