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Stability of retained austenite in TRIP-assisted

AutorSherif, M.Y.; García Mateo, Carlos; Sourmail, Thomas; Bhadeshia, H. K. D. H.
Palabras claveTRIP steels, Austenite
Retained austenite
Strain induced transformation
Martensitic transformation
Modelling
Fecha de publicación2004
EditorInstitute of Materials, Minerals and Mining
CitaciónMaterials Science and Technology March 2004 Vol. 20 319-322
http://www.ingentaconnect.com/content/maney/mst/
ResumenA theory is developed for the quantitative representation of the strain induced transformation of retained austenite in low alloy, TRIP-assisted steels of the type developed for the automobile industry. It is possible, therefore, to calculate the fraction of austenite as a function of the plastic strain, chemical composition, deformation temperature and the starting amount of austenite. The effect of composition and temperature is expressed through the free energy available for transformation. Good agreement has been obtained with published experimental data. The model can be used to investigate the stability of the austenite during plastic deformation.
URIhttp://hdl.handle.net/10261/3182
DOI10.1179/026708304225011180
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