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 |
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代理人 |
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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 |