吴红艳,张麒,翁镭,魏子荐,杜林秀,高秀华

• 1:东北大学轧制技术及连轧自动化国家重点实验室
• 2:中国船舶重工集团公司第七二五研究所

摘要(Abstract)：

分析了含Ti耐海水腐蚀钢的显微组织和力学性能,并利用周期浸润腐蚀实验研究了其在模拟海洋环境下的腐蚀演化行为。结果表明:该耐海水腐蚀钢的显微组织主要为多边形铁素体,屈服强度达到390MPa以上;耐候钢腐蚀初期腐蚀速率较快,腐蚀速率随时间增加而减小;与普通的Q345钢相比,该钢在模拟海洋环境中有优异的抗腐蚀性能,相对腐蚀速率小于55%;耐候钢锈层表面的腐蚀产物主要以α-FeOOH和γ-FeOOH为主,含有少量Fe_2O_3和Fe_3O_4。

关键词(KeyWords)： 含Ti耐海水腐蚀钢;周浸腐蚀实验;腐蚀速率;锈层结构;元素分布

Abstract:

Keywords:

基金项目(Foundation): 国家高技术研究发展计划(2015AA03A501)

作者(Author): 吴红艳,张麒,翁镭,魏子荐,杜林秀,高秀华

DOI: 10.13289/j.issn.1009-6264.2017-0473

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