用化学浸泡实验与金相实验相结合的方法,研究了热轧变形量对2519铝合金板材晶间腐蚀的影响,结果表明,在变形温度和变形速率一定的条件下,变形量的不同导致晶界析出相分布不均和晶粒的尺寸与形状的不同.变形量愈大的2519铝合金热轧板表现出的晶间腐蚀速率也愈快;室温条件下,2519铝合金在3.5%NaCl+1%HCl 的溶液中晶间腐蚀速率与时间呈指数函数的变化规律即v=v0+a1exp(-(t-t0)/b1)+a2exp(-(t-t0)/b2).
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