Plastic deformation-induced phosphorus segregation to ferrite grain boundaries in an interstitial free steel

被引：10
|
作者：
Chen, X. -M. [1 ]
Song, S. -H. [1 ]
机构：
[1] Harbin Inst Technol, Shenzhen Grad Sch, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2010年 / 527卷 / 29-30期
关键词：
Grain boundaries; Segregation; Plastic deformation; Interstitial free steels; HOT-DUCTILITY; INDUCED VACANCIES; MODEL; DIFFUSION; STRAIN; TIN; MG;
D O I：
10.1016/j.msea.2010.08.054
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Grain boundary concentration of phosphorus in an interstitial free steel is observed by virtue of Auger electron spectroscopy after the alloy is plastically deformed to different strains under different strain rates at a high temperature in the ferrite region. The results reveal that phosphorus segregates at grain boundaries during plastic deformation. The segregation increases with increasing deformation until reaching a steady value, and at the same deformation amount it increases with increasing strain rate. Model predictions are made, which shows a reasonable agreement between the predictions and the observations. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：7580 / 7584
页数：5
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