Effect of water quench process on mechanical properties of cold rolled dual phase steel microalloyed with niobium

被引：24
|
作者：
Liang, Xuan [1 ]
Li, Jun [2 ]
Peng, YingHong [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200030, Peoples R China
[2] Baoshan Iron & Steel Co Ltd, Cold Rolling Mills, Shanghai 200941, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 02期
关键词：
water quench; dual phase steel; microalloyed; mechanical properties; microstructure;
D O I：
10.1016/j.matlet.2007.05.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Effect of water quench process on tensile properties of microalloyed dual phase (DP) steel was investigated. The results showed that the tensile strength and yield strength decrease while total elongation increases with decreasing quenching temperature. Different quenching temperatures lead to not only different amounts of martensite, but also different volume fractions of new ferrite. Due to exemption of precipitation strengthening, new ferrite will contribute to not only the increase of ductility, but also the improvement of microalloyed DP steel strength. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：327 / 329
页数：3
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