发明名称 ELECTRICAL CONTACT MATERIAL
摘要 A method for forming an electrical contact material comprises the steps of melting a mixture of Cu-Cr into a molten alloy, atomizing the molten alloy into fine particles to obtain alloyed particles. Cr particles in the alloyed powder disintegrate to less than 5 mu m in mean particle diameter. The alloyed powder is sintered thereafter and a mean particle diameter of chromium in the sintered article is fined in a range of 2 to 20 mu m. An electrical contact material is composed of a copper matrix and chromium particles having a mean particle diameter of 2 to 20 mu m. The chromium particles are homogeneously dispersed in the copper matrix. <IMAGE>
申请公布号 KR940004946(B1) 申请公布日期 1994.06.07
申请号 KR19910013311 申请日期 1991.08.01
申请人 MEIDENSHA ELECTRIC MFG. CO., LTD. 发明人 NODA, YATSUSHI;YOSHIOKA, NOBUYUKI;SUZUKI, NOBUTAKA;FUKAI, TOSHIMASA;YOSHIHARA, TETSUO;KOSHIRO, KOICHI
分类号 H01H11/04;H01H1/02;H01H1/025;(IPC1-7):H01H1/02 主分类号 H01H11/04
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