Corrosion Behavior of High-Strength Bainitic Rail Steels

被引：0
|
作者：
A. P. Moon
S. Sangal
S. Layek
S. Giribaskar
Kallol Mondal
机构：
[1] Indian Institute of Technology,Department of Materials Science and Engineering
[2] Indian Institute of Technology,Department of Physics
[3] University of Strathclyde,Advanced Forming Research Centre, Department of Design, Manufacture and Engineering Management
来源：
Metallurgical and Materials Transactions A | 2015年 / 46卷
关键词：
Ferrite; Corrosion Rate; Cementite; Bainitic Ferrite; Rail Steel;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The present work discusses corrosion behavior of newly developed bainitic steels made by isothermal heat treatment of a new steel composition (0.71 pct C, 1.15 pct Mn, 0.20 pct Ni, 0.59 pct Cr, 0.40 pct Cu, 0.35 pct Si, 0.026 pct S, 0.027 pct P, and rest Fe (weight percent)). Corrosion behavior of the pearlitic steel made by normalization is also studied. Electrochemical polarization and salt fog tests are carried out in 0.6 M NaCl. Steel rusts after salt fog tests are analyzed. Modified composition, finer microstructures, and compact rust morphology attribute to better corrosion resistance of the bainitic steels. Corrosion mechanisms for the pearlitic and bainitic steels are discussed.
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页码：1500 / 1518
页数：18
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