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AL-ZN-MG ALUMINUM ALLOY EXCELLENT IN INTERGRANULAR CORROSION RESISTANCE
AL-ZN-MG ALUMINUM ALLOY EXCELLENT IN INTERGRANULAR CORROSION RESISTANCE
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机译:AL-ZN-MG铝合金具有优异的耐晶间腐蚀性能
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摘要
PURPOSE: To produce an Al-Zn-Mg alloy excellent in intergranular corrosion resistance as that used as the structural material for vehicles and aircraft. ;CONSTITUTION: An Al-Zn-Mg aluminum alloy having a compsn. contg., by weight%, 3.0 to 8.0% Zn, 0.5 to 3.0% Mg and 0.01 to 0.5% Bi, furthermore contg. one or ≥ two kinds selected from among 0.1 to 3.0% Cu, 0.05 to 0.3% Ti, 0.1 to 1.5% Mn, 0.05 to 0.4% Cr, 0.05 to 0.4% Zr and 0.05 to 0.4% V, and the balance Al with inevitable impurities and excellent in intergranular corrosion resistance is obtd. Moreover, the Al-Zn-Mg aluminum alloy in which metallic Bi having 1 to 20μm grain size is dispersed at the density of 40 to 2000 pieces/mm2 and having excellent intergranular corrosion resistance can be obtd.;COPYRIGHT: (C)1996,JPO
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机译:用途:生产具有优异的耐晶间腐蚀性能的Al-Zn-Mg合金,用作汽车和飞机的结构材料。 ;组成:具有成分的Al-Zn-Mg铝合金。此外,按重量计包含3.0至8.0%的Zn,0.5至3.0%的Mg和0.01至0.5%的Bi。从0.1至3.0%的Cu,0.05至0.3%的Ti,0.1至1.5%的Mn,0.05至0.4%的Cr,0.05至0.4%的Zr和0.05至0.4%的V中选择一种或两种以上,余量的Al不可避免杂质和耐晶间腐蚀性优异。此外,可以制得Al-Zn-Mg铝合金,其中金属Bi以40至2000个/ mm 2 Sup>的密度分散,具有优良的耐晶间腐蚀性。 ;版权:(C)1996,日本特许厅
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