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Development of hot rolled copper/nickel alloyed TRIP steels with carbide-free bainitic matrix

Published online by Cambridge University Press:  18 October 2008

S. Allain  and
T. Iung
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Abstract

The targeted carbide-free bainitic TRIP microstructure have been obtained in the studied steels thanks to a specific alloy-design, following a classical hot-rolling schedule followed with a fast cooling regime and a coiling stage. Excellent balance between tensile strength and ductility are achieved and explained by transformation hardening phenomena. The sharp influence of gamma stabilizing elements (copper/nickel/manganese) on phase transformations and mechanical properties is highlighted.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 105 , Issue 10: SteelmakingContinuous CastingHot Rolling , October 2008 , pp. 520 - 530
Copyright
© La Revue de Métallurgie, 2008

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