Dependence of martensite start temperature on fine austenite grain size

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2008 English Publisher:Elsevier BVJournal:Scripta Materialia, volume 58, pages 134-137 (issn: 1359-6462,

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Authors: García-Junceda, A.; Capdevila, Carlos; García Caballero, Francisca; García de Andrés, Carlos;

doi: 10.1016/j.scriptamat.2007.09.017

handle: 10261/34328 doi:10.1016/j.scriptamat.2007.09.017

Dependence of martensite start temperature on fine austenite grain size

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Abstract

It has been broadly reported that determination of the martensite start temperature in steels, Ms, requires a complete description of their chemical composition. Recently, several neural networks models considering both chemical composition and austenite grain size (AGS) have been developed. Such models predict a moderate dependence of Ms with AGS. The present work examines the validity of existing neural network models, but focusing on fine AGS (below 5 m).

The authors acknowledge financial support from the European Union through the European Coal and Steel Community program (ECSC-7210-PR-349) and from the Spanish Ministerio de Educacio´n y Ciencia (Special Action MAT 2002-10808-E).

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Keywords

Martensite start temperature, Austenite grain size

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