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US4436560A Process for manufacturing boride dispersion copper alloys 失效
制造硼化物分散铜合金的工艺

Process for manufacturing boride dispersion copper alloys
摘要:
A process for manufacturing a boride dispersed copper alloy by preparing a metallic material having a surface portion comprising at least one of Al, As, Cd, Co, Cr, Fe, Mg, Mo, Nb, Pt, Ta, W and Zr, and copper or an alloy thereof, and diffusing boron into the surface portion. The resulting material includes fine boride particles uniformly dispersed in the surface portion and is useful as a material for electrical contacts or sliding parts due to its high wear, adhesion and arc resistance and high electrical conductivity.
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