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Dilatometric Study of Reaustenitisation of High Silicon Bainitic Steels: Decomposition of Retained Austenite

AutorGarcía Caballero, Francisca; García Mateo, Carlos; García de Andrés, Carlos
Palabras claveReaustenitisation
Bainitic steels
Phase transformation
Fecha de publicación2005
EditorJapan Institute of Metals
CitaciónMaterials Transactions, Vol.46 No.03 (2005) pp.581-586
ResumenThe formation of austenite during the heating of high-silicon steels with a microstructure of bainitic ferrite plates separated by carbon-enriched regions of retained austenite has been studied. As the steel is heated, retained austenite decomposes into a mixture of ferrite and carbides before a temperature is reached where it becomes the more stable phase and hence can grow. The decomposition makes it necessary for the austenite to nucleate from the mixture of ferrite and carbides. In this work, dilatometric analysis, transmission electron microscopy and X-ray diffraction have helped to identify the processes that take place during the heating experiment.
Versión del editorhttp://biz3.bioweb.ne.jp/jim/journal/e/46/03/581.html
URIhttp://hdl.handle.net/10261/3187
DOI10.2320/matertrans.46.581
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