新型低碳贝氏体钢在含氯离子环境中的腐蚀行为和表观力学性能的变化

金属学报, 2008, 44(9): 1116-1124. doi: 10.3321/j.issn:0412-1961.2008.09.017

新型低碳贝氏体钢在含氯离子环境中的腐蚀行为和表观力学性能的变化

王树涛 ^1, , 杨善武 ^2, , 高克玮 ^3, , 沈晓安 ^4, , 贺信莱 ^5,

1.北京科技大学材料物理与化学系,北京,100083

2.北京科技大学材料物理与化学系,北京,100083

3.北京科技大学材料物理与化学系,北京,100083

4.浙江工业大学浙西分校,衢州,324000

5.北京科技大学材料物理与化学系,北京,100083

基金项目: 国家重点基础研究发展计划(973计划)(2004CB619102) 教育部跨世纪优秀人才培养计划

关键词：低碳贝氏体钢 , 含氯离子的环境 , 耐腐蚀性能 , 力学性能

CORROSION BEHAVIOR AND VARIATION OF APPARENT MECHANICAL PROPERTY OF A NOVEL LOW CARBON BAINITIC STEEL IN ENVIRONMENT CONTAINING CHLORIDE IONS

利用周浸加速腐蚀实验与力学性能实验对比研究了新型低碳贝氏体钢、超低碳铁素体钢以及09CuPCrNi钢这3种钢在含氯离子环境中的耐腐蚀性能与拉伸性能的变化.与超低碳铁素体钢和09CuPCrNi钢相比,新型低碳贝氏体钢不仅力学性能提高了,而且耐腐蚀性能亦得到改善,其腐蚀速率明显低于其余2种对比钢,并且随着腐蚀时间的延长其优势更加明显.3种钢的锈层具有相近的相组成,但新型低碳贝氏体钢的腐蚀产物颗粒最细小且锈层最致密,同时在接近钢基体的锈层处Cr和Cu的富集程度最明显且Cl的含量最低.新型低碳贝氏体钢锈层阻碍氯离子透过能力高于其余2种对比钢锈层.

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新型低碳贝氏体钢在含氯离子环境中的腐蚀行为和表观力学性能的变化

CORROSION BEHAVIOR AND VARIATION OF APPARENT MECHANICAL PROPERTY OF A NOVEL LOW CARBON BAINITIC STEEL IN ENVIRONMENT CONTAINING CHLORIDE IONS

参考文献