Abstract
The spinodal decomposition of β Ti–Cr binary alloys system still questionable, since there are rare experimental data moreover simulation results for the real alloy system have not been found. Transmission electron microscopy (TEM) and quantitative computer simulations results based on Khachaturyan's diffusion equation have been employed to study the microstructure evolution occurring in the β Ti–Cr alloys. Our study results reveal that the metastable β undergoes a phase separation reaction through a spinodal decomposition. The coherent two phase fields show extremely fine plate-like precipitates lying parallel to {1 0 0} plane. Those precipitates are high elastically-induced from the first step of phase separation.
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