The fatigue fracture characteristics were fatigue striation, ductile microvoid, and quasi-cleavage-like fracturecharacteristic.
疲劳断裂特征为疲劳条纹、韧窝及类似准解理状形貌特征。
2
According to fracturecharacteristic of concrete beams, the influence of main factors such as size effect, concrete strength and relative crack length on fracture toughness is discussed.
针对混凝土材料断裂的特点，探讨了影响断裂韧度的主要因素：尺寸效应、混凝土强度和相对缝深等。
3
The deep and large cavities are formed on fracture surface and grain boundary sliding and intergranular fracturecharacteristic is obvious on the optimal superplastic deformation condition.