If the plastoelastic fatigue notch factor was regarded as the transforming factor of damage calculation, the data scattering zone of life curve was most narrow.
采用此方法确定疲劳缺口系数，获得的损伤参量与裂纹形成寿命关系的数据分散带最窄。
2
The development of the models of the elastic , plastoelastic , cracking , failing , thermal expanding and manufacture technology in metal matrix composites is reviewed.