| 摘要 |
PROBLEM TO BE SOLVED: To provide an overlaying abrasion-resistant copper-base alloy which has an advantage in improving cracking resistance and machinability, is particularly suitable for forming an overlaying layer, and has well balanced abrasion resistance, cracking resistance and machinability. SOLUTION: The overlaying abrasion-resistant copper-based alloy has a composition comprising, by wt.%, 5.0-20.0% nickel, 0.5-5.0% silicon, 3.0-30.0% manganese, 3.0 to 30.0% of such an element as to form both a Laves phase and a silicide by combining with manganese, and the balance copper with unavoidable impurities. The above element includes one or more elements among titanium, hafnium, zirconium, niobium and tantalum. COPYRIGHT: (C)2005,JPO&NCIPI
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