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采用浸泡实验和电化学测试技术对ＣｕＺｎＡｌ形状记忆合金在生理盐水中的缝隙腐蚀行为进行了研究．结果表明，缝隙试样的腐蚀率大于自由表面试样．缝隙试样腐蚀电位比自由表面试样低约３０ｍＶ，说明缝隙腐蚀更易发生
The crevice corrosion behavior of CuZnAl shape memory alloy in physiological saline was studied by immersion test and electrochemical test. The results show that the corrosion rate of the slit specimen is higher than that of the free surface specimen. The corrosion potential of the gap sample is about 30mV lower than that of the free surface sample, indicating crevice corrosion is more likely to occur