Accelerated elimination of residual B2 phase in TiAl-based alloys by low-temperature annealing plus stretching

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Low-temperature annealing plus stretching is an efficient method to accelerate the elimination of B2 phase in TiAl-based alloys. The stretching stress can produce radial compressive stress on atom and promote the formation of atomic vacancies, both of which promote the atom diffusion, thus accelerating the elimination of B2 phase.