摘要
采用H_2SO_4-CuSO_4腐蚀法对2Cr13Mn9Ni4亚稳奥氏体不锈钢晶间腐蚀行为进行了研究。测定了晶间腐蚀动力学曲线,并对该钢在不同敏化温度、不同敏化时间及不同冷变形程度条件下析出的碳化铬的行为和形态进行了观察。分析了碳化铬的分布、状态与晶间腐蚀之间的关系。实验结果表明,冷变形程度和不同的敏化处理方式,会影响钢的抗晶间腐蚀能力。据此提出了增强该类钢抗晶间腐蚀的意见。
A systematic study on the intergranular corrosion behaviour of 2Cr13Mn9Ni4 metastable Austenitic stainless steel in H_2SO_4-CuSO_4 solution has been made. The kinetics curve of intergranular corrosion at various sensitizing temperatures was determined. The morphology and distribution of carbide after different combination of sensitizing treatments and cold work have been studied with optical and electron microscopy, and their effect on intergranular corrosion was discussed. Based upon the experimental findings, the intergranular corrosion resistance was found to be dependant on the degree of cold work and on sensitizing treatments.
出处
《中国腐蚀与防护学报》
CAS
CSCD
1992年第2期137-144,共8页
Journal of Chinese Society For Corrosion and Protection
