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颗粒和纤维增强复合材料中的裂纹扩展,是用双扭试件(Double—Torsion)在扫描电子显微镜下,直接观察裂纹扩展,并同时进行力学测量的方法来进行研究的。这些结果加深了对裂纹尖端应变场、裂纹扩展机理和影响复合材料韧性因素等的理解。
Crack propagation in granular and fiber-reinforced composites was investigated by direct observation of crack propagation using a Double-Torsion microscope under a scanning electron microscope with simultaneous mechanical measurements. These results deepen the understanding of the crack tip strain field, crack growth mechanism and the factors affecting the ductility of composite materials.