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Influence of the mechanical stability of retained austenite on the damaging micromechanisms in TRIP-assisted multiphase steels

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Furnemont, Q. Jacques, Pascal [UCL] Pardoen, Thomas [UCL] Delannay, Francis [UCL]

Deals with the damaging of transformation induced plasticity (TRIP)-assisted multiphase steels. These steels present a multiphase microstructure containing bainite and retained austenite grains dispersed in a ferrite matrix. During straining, the retained austenite (metastable at room temperature) transforms to martensite and thus brings about the well-known TRIP effect. Our aim was to better understand the damage properties of these steels. Two steels with different chemical compositions and heat treatment conditions were studied as regard to damaging. We have established that the behaviour of these steels regarding damaging processes depends more on the proportion of the non-intercritical phases in their microstructure than on the mechanical stability of austenite.

Document type Communication à un colloque (Conference Paper) – Présentation orale avec comité de sélection
Publication date 2000
Conference "Proceedings of Conference on Advances in Mechanical Behavior, Plasticity and Damage (EUROMAT 2000)", Tours, France (7-9 November 2000)
Peer reviewed yes
Host document Miannay, D.; Coasta, P.; Francoise, D.; Pineau, A.; ; "Advances in Mechanical Behaviour, Plasticity and Damage. Proceedings ofEUROMAT 2000"- Vol. 2, p. 859-64 (ISBN : 0-08-042815-0)
Publisher Elsevier science
Affiliation UCL - FSA/MAPR - Département des sciences des matériaux et des procédés
Links
Bibliographic reference Furnemont, Q. ; Jacques, Pascal ; Pardoen, Thomas ; Delannay, Francis. Influence of the mechanical stability of retained austenite on the damaging micromechanisms in TRIP-assisted multiphase steels.Proceedings of Conference on Advances in Mechanical Behavior, Plasticity and Damage (EUROMAT 2000) (Tours, France, 7-9 November 2000). In: Miannay, D.; Coasta, P.; Francoise, D.; Pineau, A.;, Advances in Mechanical Behaviour, Plasticity and Damage. Proceedings ofEUROMAT 2000, Elsevier science2000, p.Vol. 2, p. 859-64
Permanent URL http://hdl.handle.net/2078.1/68143