用高分辨率会聚束电子衍射方法(CBED)测量了单晶镍基高温合金CMSX-6在980℃蠕变后γ和γ'两相中的弹性应变分布.测量表明在水平和垂直的γ通道中存在着弹性应变的差别,这种差别被认为是筏化的驱动力.在γ'相中还观察到弹性应变的不均匀分布.
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