Still, the microstructure of the alloy during different loading cycles is researched with the help of TEM, especially the evolution of the dislocation and dislocation bands during the fatigue process.

• 此外，利用透射电镜的方法观察了在不同循环加载历晚条件下合金中微观结构的变化情况，尤其是位错以及位错带的演变规律。