Microstructural Development and Deformation Mechanisms during Cold Rolling of a Medium Stacking Fault Energy TWIP Steel

被引：0

作者：

K.A. Ofei ^{[1
,2
]}

L. Zhao ^{[1
,2
]}

J. Sietsma ^{[2
]}

机构：

[1] Materials Innovation Institute M2i, Mekelweg 2, 2628 CD Delft, The Netherlands

来源：

Journal of Materials Science & Technology | 2013年 / 29卷 / 02期

关键词：

TWIP steel; α’-Martensite; Sub-grain size; Probability of stacking fault formation; Texture development;

D O I：

暂无

中图分类号：

TG335.12 [冷轧];

学科分类号：

080201 ; 080503 ;

摘要：

The magnetic response, microstructural and texture changes occurring during cold rolling of a Fe-14Mn-0.64C-2.4Al-0.25Si medium stacking fault energy TWIP (twinning induced plasticity) steel have been studied by X-ray diffraction and magnetic techniques. The changes in the sub-grain size (Ds), probability of stacking fault formation (Psf) and microstrain in the material as cold rolling progressed were determined by using a modified version of the Williamson and Hall equation. A strong development of the crystallographic texture with increasing deformation was observed. Deformation-induced formation of a small fraction α’-martensite was observed, indicating that the steel also exhibits γ→α’-martensite transformation during cold rolling, which is discussed via the changes of the stacking-fault probability and the texture development during cold rolling.

引用

页码：161 / 167

页数：7

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