Effects of GBCD on cold work embrittlement of high strength interstitial free steels

被引：13

作者：

Cao, SQ ^{[1
]}

Zhang, JX

Wu, JS

Chen, JG

机构：

[1] Shanghai Jiao Tong Univ, Key Lab, Minist Educ High Temp Mat & Testing, Sch Mat Sci & Engn, Shanghai 200030, Peoples R China

[2] Shanghai Baosteel Grp Corp, Res Inst, Shanghai 201101, Peoples R China

来源：

MATERIALS & DESIGN | 2006年 / 27卷 / 01期

基金：

中国国家自然科学基金;

关键词：

GBCD; high strength IF steels; cold work embrittlement;

D O I：

10.1016/j.matdes.2004.09.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of grain boundary character distribution (GBCD) on cold work embrittlement (CWE) of P-added high strength interstitial-free (IF) steels have been evaluated using an electron backscatter diffraction (EBSD) technique. It has been found that cracks propagation along the high-energy continuous random boundaries resulted in the CWE, and that low-angle or low- CSL boundaries can offer obstacles to the propagation of cracks. The results indicate that the CWE of high strength IF steels can be improved by an optimum GBCD which is described as a high frequency of low-angle or low- CSL boundaries, and a more discontinuous random boundary network. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：53 / 57

页数：5

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