Geometrical effect, crack path kinking and deflection, particle bridging and crack shielding are the main toughening mechanisms.
层间增韧的几何效应、裂纹传播路径控制、裂尖屏蔽和颗粒桥联是主要的增韧机理。
The high fatigue properties were found to be related with higher crack closure stress, rough fracture surface and tortuousity of crack path.
较高的疲劳性能与裂纹尖端闭合应力、断口表面粗糙度以及裂纹扩展路径弯折程度有关。
The images of crack path were analyzed systematically using fractal geometry method, and it showed that the growth paths of crack were of fractal property.
对应于荷载水平，对这些断裂过程的细观图片进行了系统的分析，表明裂纹扩展路径具有明显分形性质。
The images of crack path were analyzed systematically using fractal geometry method, and it showed that the growth paths of crack were of fractal property.
对应于荷载水平，对这些断裂过程的细观图片进行了系统的分析，表明裂纹扩展路径具有明显分形性质。
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