Cao Tieshan   

Associate Professor
Supervisor of Master's Candidates

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Language:English

Paper Publications

Title of Paper:Cr13不锈钢在盐酸溶液喷射冲刷作用下的表面腐蚀形貌表征

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Date of Publication:2014-01-01

Journal:中国腐蚀与防护学报

Included Journals:PKU、ISTIC、CSCD

Volume:34

Issue:5

Page Number:439-444

ISSN No.:1005-4537

Key Words:不锈钢; 冲刷; 腐蚀形貌; 点蚀; 夹杂物

Abstract:研究了Cr13马氏体不锈钢在盐酸喷射条件下腐蚀形貌的局部差异。结果表明,射流与样品表面接触中心区域产生圆状点蚀坑、中心区的四周形成放射性分布的彗
   星状腐蚀沟槽;随腐蚀时间延长,蚀坑和沟槽密度增加;彗星状腐蚀沟槽由点蚀坑和尾部的沟槽组成;点蚀坑起源于MnS夹杂处,彗星尾部沟槽主要发生在马氏体
   区,而delta铁素体区没有明显腐蚀。

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