发明名称 THICK WROUGHT 7XXX ALUMINUM ALLOYS, AND METHODS FOR MAKING THE SAME
摘要 Improved wrought 7xxx aluminum alloy products are disclosed. The improved wrought 7xxx aluminum alloy products generally include 6.0-10.0 wt. % Zn, 1.4-2.2 wt. % Mg, 1.3-2.5 wt. % Cu and 0.080-0.250 wt. % Cr. The improved wrought 7xxx aluminum alloy products generally have a thickness of from 3.0 inches to 12 inches, and realize an improved combination of properties, such an improved combination of crack deviation resistance, strength, fracture toughness and corrosion resistance.
申请公布号 US2017088920(A1) 申请公布日期 2017.03.30
申请号 US201615376400 申请日期 2016.12.12
申请人 ARCONIC INC. 发明人 Boselli Julien;Lin Jen C.;James Mark A.;Bray Gary H.;Brockenbrough John R.
分类号 C22C21/10;B22D7/00;C22F1/053 主分类号 C22C21/10
代理机构 代理人
主权项 1. A wrought 7085 aluminum alloy product having a thickness of 3.0 to 12.0 inches and having 0.080-0.250 wt. % Cr, optionally with 0.07-0.15 wt. % Zr and/or 0.15-0.50 wt. % Mn.
地址 Pittsburgh PA US