ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND METHOD FOR ARTIFICIALLY AGING SAME
    3.
    发明申请
    ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND METHOD FOR ARTIFICIALLY AGING SAME 审中-公开
    具有改进的物业组合的铝合金制品及其人造纤维的方法

    公开(公告)号:WO2008156532A2

    公开(公告)日:2008-12-24

    申请号:PCT/US2008006253

    申请日:2008-05-14

    Abstract: Aluminum alloy products about 4 inches thick or less that possesses the ability to achieve, when solution heat treated, quenched, and artificially aged, and in parts made from the products, an improved combination of strength, fracture toughness and corrosion resistance, the alloy consisting essentially of: about 6.8 to about 8.5 wt.% Zn, about 1.5 to about 2.00 wt.% Mg, about 1.75 to about 2.3 wt.% Cu; about 0.05 to about 0.3 wt. % Zr, less than about 0.1 wt. % Mn, less than about 0.05 wt.% Cr, the balance Al, incidental elements and impurities and a method for making same. The instantly disclosed alloys are useful in making structural members for commercial airplanes including, but not limited to, upper wing skins and stringers, spar caps, spar webs and ribs of either built-up or integral construction.

    Abstract translation: 约4英寸厚或以下的铝合金产品具有在固溶热处理,淬火和人工老化的同时实现的能力,以及由产品制成的零件中,改进了强度,断裂韧性和耐腐蚀性的组合,该合金组成 基本上为:约6.8至约8.5重量%的Zn,约1.5至约2.00重量%的Mg,约1.75至约2.3重量%的Cu; 约0.05至约0.3wt。 %Zr,小于约0.1wt。 %Mn,小于约0.05重量%的Cr,余量为Al,附带元素和杂质及其制备方法。 瞬时公开的合金可用于制造商用飞机的结构构件,包括但不限于上部翼皮和桁条,翼梁盖,翼梁腹板和构成或整体结构的肋。

    2XXX SERIES ALUMINUM LITHIUM ALLOYS

    公开(公告)号:CA2827530C

    公开(公告)日:2019-12-03

    申请号:CA2827530

    申请日:2012-02-17

    Applicant: ALCOA INC

    Abstract: Thick wrought 2xxx aluminum lithium alloy products are disclosed. The wrought aluminum alloy products have a thickness of at least 12.7 mm and contain from 3.00 to 3.80 wt. % Cu, from 0.05 to 0.35 wt. % Mg, from 0.975 to 1.385 wt. % Li, wherein -0.3*Mg-0.15Cu +1.65 = Li = -0.3*Mg-0.15Cu +1.85, from 0.05 to 0.50 wt. % of at least one grain structure control element, wherein the grain structure control element is selected from the group consisting of Zr, Sc, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 1.0 wt. % Zn, up to 1.0 wt. % Mn, up to 0.12 wt. % Si, up to 0.15 wt. % Fe, up to 0.15 wt. % Ti, up to 0.10 wt. % of any other element, with the total of these other elements not exceeding 0.35 wt. %, the balance being aluminum.

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