| 摘要 |
<p>A copper alloy, containing specified amounts of aluminum, nickel, lead or bismuth, zinc or tin, and silicon, is new. A novel copper alloy has the composition (by wt.) 7.5-9.0% Al, 0-2.0% Fe, 3-4.5% Ni, 0.2-0.6% Pb or Bi, 0.6-1.4% Zn or 1.2-2.8% Sn, 0.25-0.50% Si, balance Cu and less than 0.5% impurities. An Independent claim is also included for a vehicle gearbox fork made of the above copper alloy.</p> |
