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Observations on the nonlinear unloading behavior of advanced high strength steels

journal contribution
posted on 2015-01-01, 00:00 authored by Erik Pavlina, M-G Lee, F Barlat
The unloading behavior was compared for three different steel grades: a dual-phase steel, a transformation-induced plasticity steel, and a twinning-induced plasticity steel. Steels that harden by phase transformation or deformation twinning exhibited a smaller component of microplastic strain during unloading and a smaller reduction in the chord modulus compared to the conventional hardening steel. As a result, unloading is closer to pure elastic unloading when the TRIP effect or TWIP effect is active.

History

Journal

Metallurgical and materials transactions A

Volume

46

Issue

1

Pagination

18 - 22

Publisher

Springer

Location

Belin, Germany

ISSN

1073-5623

eISSN

1543-1940

Language

eng

Publication classification

C Journal article; C1 Refereed article in a scholarly journal

Copyright notice

2014, The Minerals, Metals & Materials Society and ASM International