镍含量对钢材大气腐蚀的影响
Effect of Ni Content on Atmospheric Corrosion of Low Alloy Steels
摘 要
研究了不同含镍量的低合金钢在青岛和江津的大气腐蚀,结果表明,含镍量2.68%的合金钢在含硫、氯的环境下都有较好的抗腐蚀性能,抵抗氯对钢材侵蚀的效果比抵抗硫对钢材侵蚀的效果更显著.对锈层的X射线衍射定量相分析表明,含镍量2.68%的合金钢在青岛暴露24个月的锈层中的δ-FeOOH和α-FeOOH更多,β-FeOOH少,说明含镍钢在含氯的环境下更易形成致密锈层,阻碍Cl-的渗透.
大气腐蚀
硫
氯
Ni
atmospheric corrosion
S
Cl
Abstract
Effect of Ni content on atmospheric corrosion in the regions of Qingdao and Jiangjin for low alloy steels was investigated.The results show that the steel with 2.68% Ni exhibited better corrosion resistance under the conditions with S and/or Cl-,the resistance to Cl- corrosion was better than that to S corrosion.The XRD analyses show that there were more δ-FeOOH and α-FeOOH and less β-FeOOH in the rust of the steel with 2.68% Ni than that of the carbon steel exposed for 24 months ,indicating that the rust layer for the steel with 2.68% Ni was denser in the atmosphere with Cl- and could impede the permeating of Cl-.
中图分类号 TG172.3
所属栏目 试验研究
基金项目
收稿日期 2008/12/22
修改稿日期 2009/1/7
网络出版日期
作者单位点击查看
备注顾家琳,教授.
引用该论文: GU Jia-lin,YAN Rui,JUN Hisamoto,Fumio Yuse. Effect of Ni Content on Atmospheric Corrosion of Low Alloy Steels[J]. Corrosion & Protection, 2010, 31(1): 5～9
被引情况:
【1】唐荻,张明洁,武会宾,张杰, "EH36级平台钢耐海洋大气腐蚀性能",腐蚀与防护 33, 558-561(2012)
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