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本文利用透射电镜微观观察和理论分析探讨了Ti_3Al基五元合金中α_2相的位错滑移系统。实验结果表明,α_2相中易观察到的位错滑移系统为(1100)[0001]和(1100)[1120]并与派纳力理论计算相符。
In this paper, the dislocation sliding system of α_2 phase in Ti_3Al-based five-element alloys was investigated by transmission electron microscopy and theoretical analysis. The experimental results show that dislocation slip systems easily observable in the α_2 phase are (1100) [0001] and (1100) [1120] and are in good agreement with the Pellicle theory calculations.