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机械工程材料, 2017, 41(1): 20-24.
10.11973/jxgccl201701004
显微组织对超低碳X80管线钢氢致开裂行为的影响

葛秋辰 1, , 陈健 2, , 汪兵 3, , 刘清友 4, , 甘国友 5,

1.昆明理工大学材料科学与工程学院，昆明 650093; 钢铁研究总院工程用钢研究所，北京 100081;
2.钢铁研究总院工程用钢研究所,北京,100081;
3.钢铁研究总院工程用钢研究所,北京,100081;
4.钢铁研究总院工程用钢研究所,北京,100081;
5.昆明理工大学材料科学与工程学院,昆明,650093
对超低碳X80管线钢分别进行了正火和淬火处理，采用光学显微镜、扫描电镜、透射电镜和电子背散射衍射技术等手段，研究了显微组织对试验钢氢致开裂(HIC)行为的影响。结果表明：未经热处理的试验钢显微组织为针状铁素体，该组织的抗 HIC 性能优于正火后多边形铁素体组织和淬火后贝氏体铁素体组织的抗 HIC性能；大小角度晶界的均匀分布有利于提高试验钢的抗HIC性能，高密度的小角度晶界可以阻止氢致裂纹扩展。
引用： 葛秋辰, 陈健, 汪兵, 刘清友, 甘国友 显微组织对超低碳X80管线钢氢致开裂行为的影响. 机械工程材料, 2017, 41(1): 20-24. doi: 10.11973/jxgccl201701004
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