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The development of a new Fe-Mn-C austenitic steel forautomotive applications

Published online by Cambridge University Press:  05 July 2006

C. Scott ,
S. Allain ,
M. Faral  and
N. Guelton
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Abstract

The current strong demand for vehicle lightening from the automobile sector requires flat carbon steel manufacturers to develop new advanced grades capable of fulfilling the increasingly stringent technical requirements of this market. Arcelor Research has recently developed an ultra high strength Fe-Mn-C austenitic steel with excellent formability for automotive applications. The X-IPTM1000 steel composition is optimised to provide the best compromise in ultimate tensile strength (>1000 MPa) and total elongation (>50%) at room temperature. These properties are achieved through the optimisation of the TWIP (TWinning Induced Plasticity) effect by careful control of the stacking fault energy (SFE) and the final microstructure.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 103 , Issue 6: AgglomérationFour électriqueLaminoir à chaudRevêtementUltra steels , June 2006 , pp. 293 - 302
Copyright
© La Revue de Métallurgie, 2006

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