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Published in: Journal of Materials Science 24/2010

01-12-2010

Study of internal stresses in a TWIP steel analyzing transient and permanent softening during reverse shear tests

Authors: I. Gutierrez-Urrutia, J. A. del Valle, S. Zaefferer, D. Raabe

Published in: Journal of Materials Science | Issue 24/2010

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Abstract

Recent Bauschinger-type tests conducted on a twinning-induced plasticity (TWIP) steel highlights the important contribution of internal stresses to work hardening [1]. Along this line we present Bauschinger experiments in a Fe–22Mn wt%–0.6C wt% TWIP steel. The mechanical behavior upon load reversal shows transient and permanent softening effects. Determination of the internal stress from the magnitude of the permanent softening yields a contribution to work hardening of the order of 20%. Analysis of the transient softening, during strain reversal, indicates that internal stress is consistent with reported data on high carbon spheroidized steels.

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Metadata
Title
Study of internal stresses in a TWIP steel analyzing transient and permanent softening during reverse shear tests
Authors
I. Gutierrez-Urrutia
J. A. del Valle
S. Zaefferer
D. Raabe
Publication date
01-12-2010
Publisher
Springer US
Published in
Journal of Materials Science / Issue 24/2010
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-010-4750-7

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