Alternative Sample Preparation of Co-28Cr-6Mo to Avoid Strain-induced Phase Transformation
I. S. Cesarin,
L.H.M. Antunes,
G. Darin Filho
et al.
Abstract:The allotropic transformation, characteristic of cobalt-based alloys, occurs at around 970 ºC in Co-28Cr-6Mo alloys. When subjected to fast cooling, such alloys can maintain the high temperature cubic centered phase at room temperature, resulting in a CFC metastable matrix. This metastable condition leads to a nucleation of the hexagonal phase (the stable one), which is induced by deformation or isothermally. In general, Co-based alloys are submitted to solution heat treatment plus aging to control both the pr… Show more
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