Sub-zero austenite to martensite transformation in a Fe-Ni-0.6wt.%C alloy

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    Martensitic transformation in a model Fe-Ni-0.6wt%C alloy was investigated at sub-zero Celsius temperature. The influence of the thermal path in determining the conditions leading to the formation of martensite was studied. In the investigation, samples were austenitized and quenched, whereafter isochronal (constant cooling rate) and isothermal sub-zero Celsius treatments were applied. Magnetometry was used for describing the overall kinetics of the transformation in terms of the Johnson-Mehl-Avrami-Kolmogorov kinetics. The evolution of the transformation was also investigated with in-situ synchrotron X-ray diffraction by evaluating austenite and martensite Bragg reflections. Also, the state of internal strain in austenite was determined.
    Original languageEnglish
    Title of host publicationProceedings of IFHTSE 19th congress
    Publication date2011
    Publication statusPublished - 2011
    EventIFHTSE 19th congress - Glasgow
    Duration: 1 Jan 2011 → …


    ConferenceIFHTSE 19th congress
    Period01/01/2011 → …


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