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    • 4. 发明申请
    • COPPER CORROSION RESISTANT, MACHINABLE BRASS ALLOY
    • 铜耐腐蚀,可加工铜合金
    • WO2011066581A1
    • 2011-06-03
    • PCT/US2010/058447
    • 2010-11-30
    • MOEN INCORPORATEDSONG, Inho
    • SONG, Inho
    • C22C9/10
    • C22C9/04
    • An alloy which reduces lead (Pb) in brass with metals with physical, mechanical, chemical and electrochemical properties that will improve the copper (Cu) corrosion resistance and machinability of low lead (Pb) brass alloys. Such metal candidates are bismuth (Bi), antimony (Sb), tellurium (Te), phosphorous (P), silicon (Si), sulfur (S) for machinability improvement; and tin (Sn) for corrosion resistance improvement. The alloy composition has an excellent machinability and a high degree of copper corrosion resistance, and is composed of: 69 to 79 %, by weight, of copper (Cu); 2 to 4 %, by weight, of silicon (Si); 1 to 3 %, by weight, of tin (Sn); 0.01 to 1 %, by weight, of lead (Pb); and the remaining %, (but less than 20 %) by weight, of zinc (Zn).
    • 一种减少黄铜铅(Pb)的合金,具有物理,机械,化学和电化学性能,可提高低铅(Pb)黄铜合金的铜(Cu)耐腐蚀性和切削性。 铋(铋),锑(Te),磷(P),硅(Si),硫(S)等的金属候选物为切削性提高; 和锡(Sn),以提高耐蚀性。 该合金组合物具有优异的机械加工性和高耐铜腐蚀性,并且由以下组成:69〜79重量%的铜(Cu)。 2重量%至4重量%的硅(Si); 1〜3重量%的锡(Sn); 0.01〜1重量%的铅(Pb); 和剩余的%(但小于20%)的锌(Zn)。