研究了AISI321亚稳态奥氏体不锈钢(1Cr18Ni9Ti)在-70℃(液氮气氛)经不同程度拉伸形变得到的含有不同α′-马氏体的试样在中性含氯离子介质中,材料的马氏体相变量与孔蚀敏感性的关系.孔蚀击穿电位、孔蚀诱导期和孔数的测试结果均表明:当α′-马氏体含量约小于5%和大于15%时,经形变诱发马氏体相变的1Cr18Ni9Ti奥氏体不锈钢在中性NaCl溶液中,孔蚀敏感性随α′-马氏体含量的增加而增大;当α′-马氏体含量在5%~15%范围内时,材料的孔蚀敏感性随α′-马氏体含量的增大而降低.
The relation between deformation induced martensite and pitting susceptibility of AISI321(1Cr18Ni9) austensite stainless steel, which was subjected to low temperature elongation deformation at 70℃ to obtain various martensite contents was studied. Pittin
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