更多
论文成果
Effects of Sensitization on the Metastable Pitting Corrosion of 304 Stainless Steel
点击次数:
论文类型: 期刊论文
发表时间: 2018-07-01
发表刊物: INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
收录刊物: SCIE
卷号: 13
期号: 7
页面范围: 7095-7110
ISSN号: 1452-3981
关键字: stainless steel; sensitization; passive film; metastable pitting; inclusion
摘要: The effects of sensitization on the metastable pitting behaviour of 304 stainless steel in 3.5 wt.% NaCl solution were investigated via electrochemical measurements and microscopic observations. Results showed that sensitization decreased pitting potential and slightly affected metastable pitting potential. Sensitization treatment increased the nucleation frequency of metastable pitting, promoted its propagation and changed the shape of current transients. The results of scanning electron microscopy and energy-dispersive X-ray spectroscopy showed that metastable pitting was initiated at MnS inclusions for the solution-treated and sensitized samples. The combined effects of the passive film and inclusions were considered to play a vital role on the metastable pitting behaviour.

程从前

副教授   博士生导师   硕士生导师

任职 : 院长助理,中国腐蚀与防护学会高温专业委员会委员,中国机械工程学会理化检验分委员会委员,辽宁省化工学会腐蚀与防护专业委员会委员

性别: 男

毕业院校:大连理工大学

学位: 博士

所在单位:材料科学与工程学院

学科:材料学

电子邮箱:cqcheng@dlut.edu.cn

辽ICP备05001357号 地址:中国·辽宁省大连市甘井子区凌工路2号 邮编:116024
版权所有:大连理工大学
访问量: 手机版 English 大连理工大学 登录

开通时间:..

最后更新时间:..