Corrosion Behavior of High-Strength Bainitic Rail Steels

被引：39
|
作者：
Moon, A. P. [1 ]
Sangal, S. [1 ]
Layek, S. [2 ]
Giribaskar, S. [3 ]
Mondal, Kallol [1 ]
机构：
[1] Indian Inst Technol, Dept Mat Sci & Engn, Kanpur 208016, Uttar Pradesh, India
[2] Indian Inst Technol, Dept Phys, Kanpur 208016, Uttar Pradesh, India
[3] Univ Strathclyde, Adv Forming Res Ctr, Dept Design Manufacture & Engn Management, Glasgow, Lanark, Scotland
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2015年 / 46A卷 / 04期
关键词：
X-RAY-DIFFRACTION; LOW-ALLOY STEELS; ATMOSPHERIC CORROSION; INFRARED-SPECTROSCOPY; MECHANICAL-PROPERTIES; WEATHERING STEELS; CARBON-STEEL; RUST PHASES; IRON; MICROSTRUCTURE;
D O I：
10.1007/s11661-014-2732-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
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. (C) The Minerals, Metals & Materials Society and ASM International 2015
引用
收藏
页码：1500 / 1518
页数：19
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