Softening Behavior of a Cold Rolled High-Mn Twinning-Induced Plasticity Steel

被引：8

作者：

Nezhadfar, P. Dastranjy ^{[1
]}

Rezaeian, A. ^{[1
]}

Papkiadeh, M. Sojudi ^{[1
]}

机构：

[1] Isfahan Univ Technol, Dept Mat Engn, Esfahan 8415683111, Iran

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2015年 / 24卷 / 10期

关键词：

cold roll-anneal; dynamic recrystallization; hot compression; static recrystallization; STACKING-FAULT ENERGY; TRIP STEEL; TRIP/TWIP STEELS; TRANSFORMATION; AUSTENITE; ALUMINUM; SYSTEM;

D O I：

10.1007/s11665-015-1658-z

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present study deals with the static and dynamic microstructural evolution of a high-Mn twinning-induced plasticity steel. Static recrystallization (SRX) is considered through cold rolling followed by annealing with different holding times. Dynamic recrystallization (DRX) was explored by hot compression tests at different temperatures and strain rates. The microstructural observations demonstrated that new grains nucleate at the prior grain boundaries and grain size decreased when cold rolling was followed by annealing. Additionally to the grain size reduction due to the SRX, nucleation sites for DRX increased. It is shown that flow stress level increased as a result of grain refinement caused by static and DRX.

引用

页码：3820 / 3825

页数：6

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