为了丰富CuCr合金的高温腐蚀研究,扩大其应用,采用金相、X射线衍射、扫描电镜/能谱及热重分析法研究了CuCr合金在700～900℃NaCl盐膜下的腐蚀行为,并讨论了在该环境下变形对CuCr合金腐蚀的影响及NaCl加速CuCr合金腐蚀作用的机制.结果表明:合金在NaCl盐膜下发生严重的腐蚀,其腐蚀产物疏松且易剥落,Cr相较Cu易腐蚀,且在腐蚀区以下的合金基体中有贫铬现象,变形能加速CuCr合金的腐蚀速率.
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