Microstructure mechanical properties relationship in bainitic strurtures
DOI:
https://doi.org/10.3989/revmetalm.2005.v41.i5.225Keywords:
Bainite, EBSD, isothermal treatments, mechanical behaviourAbstract
In the present work, the microestructures and their mechanical properties have been studied in different bainitic structures. Therefore, different bainitic morphologies have been produced by isothermal treatments carried out at different temperatures. For these steels, 400-450 °C is the optimum range of temperatures in order to obtain bainitic structures. If the Temperature is higher, perlite is also formed and if it is lower, martensite is obtained during quenching. SEM and EBSD/OIM techniques were applied in order to study the microstructure. Tensile tests were carried out for mechanical characterization.
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