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IMPROVED AL-AN-MG-CU ALLOY AS REGARDS ITS COMBINED PROPERTIES OF DAMAGE TOLERANCE AND MECHANICAL STRENGTH
IMPROVED AL-AN-MG-CU ALLOY AS REGARDS ITS COMBINED PROPERTIES OF DAMAGE TOLERANCE AND MECHANICAL STRENGTH
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机译：改进的AL-AN-MG-CU合金的损伤耐受性和机械强度的综合性能
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摘要
An Al-Zn-Mg-Cu alloy with improved damage tolerance-strength combination properties. The present invention relates to an aluminium alloy product comprising or consisting essentially of, in weight %, about 6.5 to 9.5 zinc (Zn), about 1.2 to 2.2% magnesium (Mg), about 1.0 to 1.9% copper (Cu), preferable (0.9Mg-0.6)=Cu=(0.9Mg+0.05), about 0 to 0.5% zirconium (Zr), about 0 to 0.7% scandium (Sc), about 0 to 0.4% chromium (Cr), about 0 to 0.3% hafnium (Hf), about 0 to 0.4% titanium (Ti), about 0 to 0.8% manganese (Mn), the balance being aluminium (Al) and other incidental elements. The invention relates also to a method of manufacturing such as alloy.
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机译：一种具有改善的损伤耐受强度组合特性的Al-Zn-Mg-Cu合金。本发明涉及一种铝合金产品，该铝合金产品包括或基本上由重量百分比约6.5至9.5的锌（Zn），约1.2至2.2％的镁（Mg），约1.0至1.9％的铜（Cu）组成，优选（ 0.9Mg-0.6）<= Cu <=（0.9Mg + 0.05），约0至0.5％的锆（Zr），约0至0.7％的（（Sc），约0至0.4％的铬（Cr），约0至0.3％的（（Hf），约0至0.4％的钛（Ti），约0至0.8％的锰（Mn），其余为铝（Al）和其他附带元素。本发明还涉及一种诸如合金的制造方法。
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