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利用Pro CAST软件对环坯压力成形过程进行数值模拟,探讨了不同固相百分数条件下,施加压力对环坯微观组织的影响。结果表明,在固相百分数为30%左右开始加压,即开始加压时间为5 s时,环坯晶粒细小,组织均匀。
Pro CAST software was used to simulate the forming process of the ring billet, and the influence of the applied pressure on the microstructure of the ring billet under different solid fraction percentage was discussed. The results show that when the solid phase begins to be pressurized at about 30%, that is, the initial pressing time is 5 s, the crystal grains of the ring blank are small and the microstructure is uniform.