7XX ALUMINUM CASTING ALLOYS, AND METHODS FOR MAKING THE SAME
    31.
    发明申请
    7XX ALUMINUM CASTING ALLOYS, AND METHODS FOR MAKING THE SAME 审中-公开
    7XX铝铸造合金及其制造方法

    公开(公告)号:US20150315680A1

    公开(公告)日:2015-11-05

    申请号:US14694109

    申请日:2015-04-23

    Applicant: ALCOA INC.

    CPC classification number: B22D21/04 C22C21/10 C22F1/053

    Abstract: New 7xx aluminum casting alloys are disclosed. The aluminum casting alloys generally include from 3.0 to 8.0 wt. % Zn, from 1.0 to 3.0 wt. % Mg, where the wt. % Zn exceeds the wt. % Mg, from 0.35 to 1.0 wt. % Cu, where the wt. % Mg exceeds the wt. % Cu, from 0.05 to 0.30 wt. % V, from 0.01 to 1.0 wt. % of at least one secondary element (Mn, Cr, Zr, Ti, B, and combinations thereof), up to 0.50 wt. % Fe, and up to 0.25 wt. % Si, the balance being aluminum and other elements, wherein the aluminum casting alloy include not greater than 0.05 wt. % each of the other elements, and wherein the aluminum casting alloy includes not greater than 0.15 wt. % in total of the other elements.

    Abstract translation: 公开了新的7xx铝铸造合金。 铝铸造合金通常包括3.0至8.0重量% %Zn,1.0〜3.0wt。 %Mg,其中wt。 %Zn超过wt。 %Mg,0.35〜1.0wt。 %Cu,其中wt。 %Mg超过wt。 %Cu,0.05-0.30重量% %V,0.01〜1.0wt。 至少一种次要元素(Mn,Cr,Zr,Ti,B及其组合)的%,至多0.50重量% %Fe,至多0.25wt。 %Si,余量为铝和其他元素,其中铝铸造合金包括不大于0.05重量% %的其他元素,其中铝铸造合金包括不大于0.15wt。 其他元素总数的百分比。

    ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND METHOD FOR ARTIFICIALLY AGING SAME
    32.
    发明申请
    ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND METHOD FOR ARTIFICIALLY AGING SAME 有权
    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:US20140227131A1

    公开(公告)日:2014-08-14

    申请号:US14255536

    申请日:2014-04-17

    Applicant: ALCOA INC.

    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8.5wt。 %Zn,约1.5至约2.00wt。 %Mg,约1.75至约2.3wt。 %Cu; 约0.05至约0.3wt。 %Zr,小于约0.1wt。 %Mn,小于约0.05wt。 %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。

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