利用硫酸-硫酸铜腐蚀试验方法和双环电化学动电位再活化法(DL-EPR),对304不锈钢薄板在预应变和敏化之后的晶间腐蚀敏感性进行了研究.采用金相显微镜对经过硫酸-硫酸铜试验后的试样进行观察,利用电化学测试方法进行试样敏化度(DOS)的测量.结果表明:304不锈钢薄板经过预应变-敏化处理后的晶间腐蚀程度较经单一敏化处理后的更加严重,随着预应变的加大,晶间腐蚀加重,敏化度也提高.
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