Fractureanalysis of screw fastener was carried out by means of metallography and scanning electron microscope.
采用光学显微镜、扫描电镜等测试手段，对断裂紧固螺钉进行了分析。
2
The sliding crack model has been widely applied in the damage and fractureanalysis of the rock-like materials.
滑动裂纹模型被广泛应用于岩石类材料压剪断裂分析及损伤分析。
3
The research methods and main conclusions of FGMS fractureanalysis are reviewed from the aspects of asymptotic fields near the crack tip and crack expansibility.