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本文介绍了含4.4—10％Mg、强度水平比退火状态至少提高40％且实质上没有剥落腐蚀敏感性的应变硬化铝合金板材。这种工艺包括根据不同的镁含量在最低为420°—650°F左右的温度下轧制以生产出应变硬化的板材,并且以特殊的控制速度进行冷却。
This paper presents strain-hardened aluminum alloy plates containing 4.4-10% Mg and having an intensity level that is at least 40% greater than the annealed state and that is substantially free of exfoliation corrosion susceptibility. This process involves rolling to a strain hardening sheet at a minimum temperature of about 420-650 ° F depending on the magnesium content and cooling at a particular controlled rate.