使用 X 射线衍射和内耗方法测得,Ag-43.3 wt-%Cd 合金贝氏体相变孕育期内外,β母相 X射线衍射强度和内耗值都呈现波动现象。在孕育期内,内耗随时间显示一个峰值,它随孕育期减短而增高,达到峰值的时间随孕育期减短而减少。这种 X 射线强度的波动和内耗的增高可能与母相中贝氏体相形核区点阵局部软化有关。 Using X-ray diffraction and internal friction method, the X-ray diffraction intensity and internal friction value of β-mother phase both fluctuated during and after the bainite transformation of Ag-43.3 wt-% Cd alloy. During the gestation period, the internal friction showed a peak over time, which increased as the gestation period shortened, and the peak time decreased as the gestation period decreased. The fluctuation of the X-ray intensity and the increase of the internal friction may be related to the local softening of the lattice in the bainite nucleation region of the mother phase.