Carbon fibers restrained the matrix cracks growth and diminished the crack tip stress intensity factor.
纤维对基体开裂起抑制作用并降低了裂纹尖端的应力集中。
The predicted fracture stress matrix cracking stress and crack spacing just have error less than 20% with the corresponding experimental value.
预测的断裂应力、基体开裂应力和裂纹间距与实测值最大误差在20%以内。
The fracture mechanism of composites is matrix crack, but the particle crack will be the main crack mechanism when the content of coarse or the flaw in the coarse increased.
复合材料的主要破坏机制为基体断裂，当复合材料中粗颗粒含量增加或者粗颗粒本身的缺陷增多时，粗颗粒的断裂也将成为重要的复合材料破坏机制。
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