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    • 43. 发明授权
    • Aluminum alloy, aluminum alloy foil, container and method of preparing aluminum alloy foil
    • 铝合金,铝合金箔,容器及铝合金箔的制备方法
    • US06736911B1
    • 2004-05-18
    • US10019416
    • 2001-12-21
    • Akinori RoMasaaki AbeYoshiki Hashizume
    • Akinori RoMasaaki AbeYoshiki Hashizume
    • C22C2100
    • C22C21/00C22F1/04
    • An aluminum alloy contains at least 0.0001 mass % and not more than 0.03 mass % of copper, at least 0.0005 mass % and not more than 0.2 mass % of silicon, at least 0.5 mass % and not more than 4 mass % of manganese and at least 0.5 mass % and not more than 3 mass % of iron, and the rest contains aluminum and unavoidable impurities. The aluminum alloy further contains at least one of at least 0.01 mass % and not more than 0.5 mass % of chromium, at least 0.01 mass % and not more than 0.5 mass % of titanium and at least 0.01 mass % and not more than 0.5 mass % of zirconium. An aluminum alloy foil is prepared by heating up the aluminum alloy to a temperature of at leas 350° C. and not more than 580° C., holding the same immediately after the heating up or retaining an ingot of the aluminum alloy at a temperature of at least 350° C. and not more than 530° C. for not more than 15 hours, thereafter performing hot rolling at a starting temperature of at least 350° C. and not more than 530° C., thereafter performing cold rolling and thereafter performing softening.
    • 铝合金含有铜的至少0.0001质量%且不超过0.03质量%,至少0.0005质量%且不超过0.2质量%的硅,至少0.5质量%且不超过4质量%的锰, 至少0.5质量%且3质量%以下的铁,其余为铝和不可避免的杂质。 铝合金还含有至少0.01质量%且不多于0.5质量%的铬,至少0.01质量%且不多于0.5质量%的钛和至少0.01质量%且不大于0.5质量% %的锆。 通过将铝合金加热至350℃且不高于580℃的温度制备铝合金箔,在加热或将铝合金锭保持在温度之后立即保持铝合金箔 至少350℃且不超过530℃不超过15小时,然后在起始温度为350℃以上530℃以下进行热轧,然后进行冷轧 然后进行软化。