根据铝合金腐蚀的基本特征,建立了新鲜铝合金瞬时腐蚀速率的计算方法.通过改变试样的应变速率,研究了力学效应对LC4CS铝合金腐蚀电化学行为的影响.结果表明:在恒应变速率作用下,铝合金自腐蚀电位有明显的负移趋势,且应变速率愈大,负移速率愈快.与阳极氧化后的铝合金短路耦合,在应变量大于0.04后,LC4CS铝合金的自溶解电流显示急剧增大的趋势.对同一应变速率而言,随着应变量的增加,新鲜铝合金的瞬时腐蚀速率也随之增大.
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