Effect of water quenching process on the microstructure and magnetic property of cold rolled dual phase steel

被引：15

作者：

Gao, L. ^{[1
,2
]}

Zhou, Y. M. ^{[1
]}

Liu, J. L. ^{[1
]}

Shen, X. D. ^{[3
]}

Ren, Z. M. ^{[2
]}

机构：

[1] Baoshan Iron & Steel Co Ltd, Shanghai 201900, Peoples R China

[2] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China

[3] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2010年 / 322卷 / 08期

关键词：

Dual phase steel; Water quenching; Microstructure; Magnetic property; MECHANICAL-PROPERTIES; TENSILE PROPERTIES; MORPHOLOGY; AUSTENITE; NIOBIUM;

D O I：

10.1016/j.jmmm.2009.11.026

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of water quenching process on the microstructure and magnetic property of cold rolled dual phase steel are investigated. Correlations of microstructure, magnetic properties and water quenching parameters are established. The results show that the microstructure of the dual phase steels mainly consists of the ferrite and martensite phase, the martensite volume fraction increases gradually on increasing the holding and quenching temperature. It is found that magnetic properties of dual phase steel are very sensitive to the quenching process. Based on the minor hysteresis loop results, the coercivity and hysteresis loss increase obviously with the increase of quenching temperature, while there manent induction and the maximum permeability tend to decrease. Furthermore, the magnetic domain structure of the ferrite phase in the presented dual phase steel is observed by magnetic force microscopy. The mechanism of the magnetic property varying with the quenching process is also discussed. (C) 2009 Elsevier B. V. All rights reserved.

引用

页码：929 / 933

页数：5

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