Effect of Boron Micro-alloying on Microstructure and Corrosion Behavior of Dual-Phase Steel

被引：10
|
作者：
Kumar, Satendra [1 ]
Desai, Rahul [1 ]
机构：
[1] JSW Steel Ltd, R&D & SS Dept, Vijayanagar Works, Bellary 583275, Karnataka, India
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2019年 / 28卷 / 10期
关键词：
boron micro-alloying; corrosion; dual-phase steel; martensite; mechanical properties;
D O I：
10.1007/s11665-019-04364-w
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work aims to understand the effect of boron (B) as a micro-alloying element on the mechanical properties and corrosion behavior of a dual-phase steel that was prepared from boron-added steel via hot rolling. The 'B' micro-alloying increased the volume fraction of martensite from similar to 25 to 50% and improved the hardenability as compared to unalloyed DP steel subjected to similar rolling and heat treatment conditions. The yield strength, tensile strength and corrosion resistance of boron-added DP steel significantly improved from 405 to 690 MPa, 632 to 890 MPa and 0.125 to 0.110 mm/year, respectively, as compared to the unalloyed DP steel.
引用
收藏
页码：6228 / 6236
页数：9
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