Digital Repository, ICF12, Ottawa 2009

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Damage of TWIP Steels for Automotive Application
J. Lorthios, A.F. Gourgues, P. Cugy, C. Scott

Last modified: 2013-05-03


Ultra high strength Fe-Mn-C austenitic steels with low Stacking Fault Energy
(SFE) have been studied for more than fifty years [1]. They offer a great
potential for reducing automotive body weight through their formability and
their high mechanical properties. Tensile strength levels higher than 1000 MPa
in combination with a high ductility (>50%) are reached by the optimization
of the Twinning Induced Plasticity (TWIP) effect and the control of the

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