Acquisition of recrystallization information using optical metallography in a metastable beta titanium alloy
2017
Abstract The precipitates of α phase cooled from recrystallization annealing temperature were rather inhomogeneous from grain to grain in a metastable β titanium alloy. Electron backscatter diffraction technique (EBSD) had confirmed that inhomogeneous distribution of α precipitates was directly related to nonuniform recrystallization (or recovery). The accelerated precipitation kinetics in the deformed regions may be explained in terms of the increased number of nucleation sites provided by the substructure. Thus, the recrystallized and deformed regions can be easily distinguished by optical metallography.
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