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    • 2. 发明授权
    • Method of press quenching aluminum alloy 6020
    • 压铸淬火铝合金方法6020
    • US07422645B2
    • 2008-09-09
    • US11219186
    • 2005-09-02
    • David A. LukasakThomas J. Klemp
    • David A. LukasakThomas J. Klemp
    • C22F1/05
    • C22F1/053C22F1/04
    • A method of press quenching a 6020 aluminum alloy comprising the steps of providing an ingot or billet of 6020 aluminum alloy consisting essentially of about 0.5 to about 0.6% silicon, about 0.7 to about 0.8% magnesium, about 0.55 to about 0.65% copper, about 0.35 to about 0.45% iron, about 0.01 to about 0.04% manganese, about 1.05 to about 1.15% tin, and about 0.04 to about 0.06% chromium; homogenizing the billet, cooling the billet, reheating the billet, extruding the billet, quenching the extrusion, and artificially aging the extrusion. The alloy has enhanced productivity, strength, and machinability and can be used as a direct replacement for lead containing alloy 6262 T-6.
    • 一种对6020铝合金进行压制淬火的方法,包括以下步骤:提供基本上由约0.5至约0.6%的硅,约0.7至约0.8%的镁,约0.55至约0.65%的铜组成的6020铝合金的锭或坯料,约为 0.35至约0.45%的铁,约0.01至约0.04%的锰,约1.05至约1.15%的锡和约0.04至约0.06%的铬; 使坯料均质化,冷却坯料,再次加热坯料,挤压坯料,淬火挤出,人工老化挤出。 该合金具有提高的生产率,强度和机械加工性能,可直接替代含铅合金6262 T-6。
    • 6. 发明授权
    • 2XXX series aluminum alloy
    • 2XXX系列铝合金
    • US6113850A
    • 2000-09-05
    • US287915
    • 1994-08-09
    • Charles W. BartgesGerald D. ScottThomas J. KlempM. Elise HylandJames A. BrockColleen Spillard
    • Charles W. BartgesGerald D. ScottThomas J. KlempM. Elise HylandJames A. BrockColleen Spillard
    • C22C21/12
    • C22C21/12B21C23/002C22F1/057
    • An A-rated, aluminum alloy suitable for machining, said alloy consisting essentially of: about 4-5.75 wt. % copper, about 0.2-0.9 wt. % bismuth, about 0.12-1.0 wt. % tin, the ratio of bismuth to tin ranging from about 0.8:1 to 5:1, up to about 0.7 wt. % iron, up to about 0.4 wt. % silicon, up to about 0.3 wt. % zinc, the balance aluminum, incidental elements and impurities. On a preferred basis, this alloy contains about 4.4-5.0 wt. % copper, about 0.4-0.75 wt. % bismuth, about 0.2-0.5 wt. % tin, the ratio of bismuth to tin ranging from about 1:1 to 3:1, about 0.2 wt. % or less iron and about 0.2 wt. % or less silicon. The alloy is substantially lead-free, cadmium-free and thallium-free. There is further disclosed an improved method for making screw machine stock or wire, rod and bar product from this alloy by casting, preheating, extruding, solution heat treating, cold finishing and aging the same.
    • 适用于机械加工的A级铝合金,所述合金基本上由以下组成:约4-5.75重量% %铜,约0.2-0.9重量% %铋,约0.12-1.0wt。 %锡,铋与锡的比例为约0.8:1至5:1,至多约0.7wt。 %铁,高达约0.4wt。 %硅,至多约0.3重量% %锌,余量为铝,附带元素和杂质。 在优选的基础上,该合金含有约4.4-5.0重量% %铜,约0.4-0.75重量% %铋,约0.2-0.5重量% %锡,铋与锡的比例为约1:1至3:1,约0.2wt。 %或更少的铁和约0.2wt。 %以下硅。 该合金基本上是无铅的,不含镉,不含铊。 进一步公开了一种通过铸造,预热,挤出,固溶热处理,冷加工和老化来制造螺杆机械原料或线,棒和棒产品的改进方法。