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中国腐蚀与防护学报  2014, Vol. 34 Issue (1): 53-58    DOI: 10.11902/1005.4537.2013.045
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
周期干湿浸条件下P265GH钢和Q235钢的大气腐蚀行为
王振尧1 于全成1 陈军君2 王 军2 徐 松2 胡波涛2
1. 中国科学院金属研究所 金属腐蚀与防护国家重点实验室 沈阳 110016;
2. 湖南电力公司科学研究院 长沙 410007
Atmospheric Corrosion Behavior of P265GH Steel and Q235 Steel under Dry/Humid/Immersion Alternative Condition
WANG Zhenyao1, YU Quancheng1, CHEN Junjun2, WANG Jun2, XU Song2, HU Botao2
1. State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;
2. Hunan Electric Power Corporation Research Institute, Changsha 410007, China
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摘要 以NaCl+NaHSO3为腐蚀介质,通过浸渍干湿复合循环实验及腐蚀失重分析,并利用SEM,XRD和FTIR技术,研究了Q235碳钢和P265GH低合金钢的大气腐蚀行为。结果表明,两种钢的腐蚀遵从相同的动力学规律,腐蚀产物中均存在大量致密的α-FeOOH和非晶态δ-FeOOH,锈层具有很好的保护性,使得腐蚀速率降低。实验开始阶段两种钢的腐蚀量基本相同,但随着腐蚀的进行两者差距增大,P265GH低合金钢较Q235碳钢的失重小、锈层致密、耐腐蚀性好。
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王振尧
于全成
陈军君
王军
徐松
胡波涛
关键词:    大气腐蚀  加速腐蚀实验  腐蚀产物分析    
Abstract: The corrosion behavior of P265GH low alloy steel and Q235 carbon steel under dry/humid/immersion alternative condition with NaCl and NaHSO3 were investigated by SEM, XRD, FTIR and mass loss analysis. The results show that, the relationship of mass loss to test time for the two steels fits to the same dynamics law. The corrosion products contain a large amount of dense α-FeOOH and amorphous δ-FeOOH. The resistance of rust layer make corrosion rate of the two steels decrease. The mass loss of the two steels is almost the same in the beginning stage, the difference of the mass loss become large with test time. The P265GH low alloy steel exhibited lower mass loss, denser rust layer, and better corrosion resistance rather than Q235 carbon steel.
Key words:  steel    atmospheric corrosion    accelerated corrosion test    corrosion product analysis
收稿日期:  2013-04-12                出版日期:  2014-02-20      发布日期:  2014-03-06      期的出版日期:  2014-02-20
ZTFLH:  TG172.4  
基金资助: 国家电网科技项目 (KG12K16004) 和沈阳市科技计划项目 (F11-264-1-61) 资助
通讯作者:  王振尧,E-mail:zhywang@imr.ac.cn   
作者简介:  王振尧,男,1962年生,博导,研究方向为材料自然环境腐蚀
引用本文:    
王振尧, 于全成, 陈军君, 王军, 徐松, 胡波涛. 周期干湿浸条件下P265GH钢和Q235钢的大气腐蚀行为[J]. 中国腐蚀与防护学报, 2014, 34(1): 53-58.
WANG Zhenyao,YU Quancheng,CHEN Junjun,WANG Jun,XU Song,HU Botao. Atmospheric Corrosion Behavior of P265GH Steel and Q235 Steel under Dry/Humid/Immersion Alternative Condition. Journal of Chinese Society for Corrosion and protection, 2014, 34(1): 53-58.
链接本文:  
http://www.jcscp.org/CN/10.11902/1005.4537.2013.045  或          http://www.jcscp.org/CN/Y2014/V34/I1/53
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