On the Stretch-Flangeability of High Mn TWIP Steels-Reference-Cited by-同舟云学术

On the Stretch-Flangeability of High Mn TWIP Steels

Published:2010-06 Issue: Volume:654-656 Page:278-281
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Chen Lei¹,Kim Jin Kyung¹,Kim Sung Kyu²,Chin Kwang Geun²,De Cooman Bruno C.¹

Affiliation:

1. Pohang University of Science and Technology

2. POSCO

Abstract

Edge stretching is an important formability issue when it comes to apply sheet steels to automotive industry. Anisotropy, strain hardening and toughness are closely related to hole expansion properties. In this paper, hole expansion properties of a high Mn fully austenitic Twinning Induced Plasticity (TWIP) steel are compared with three other types of single-phase sheet steels. The effects of r-value, n-value, m-value and post-uniform elongation on the edge stretch-flangeability are discussed. It was found that the post-uniform elongation and the strain rate sensitivity have a pronounced effect on hole expansion properties.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.654-656.278.pdf

Reference14 articles.

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