...matrix cracking, Weibull distribution, scale effects, glass-epoxy, carbon-epoxy, bending tests [gap=317]关键词:横向拉伸强度,基体开裂,Weibull分布,形成规模效应,环氧玻璃,碳环氧树脂,弯曲试验 ..
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LVI 往往导致复合材料结构表面没有或只有轻微的压痕,而层板内部已产生了大量的基体裂纹(Matrix cracking)和大面积的分层扩展Interlaminar delamination,有时还伴有纤维断裂( Fiberbreak)及纤维拔出(Fiber pullout)4-6。
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matrix cracking damage 基体开裂损伤
critical stress of matrix cracking 基体开裂临界应力
matrix micro-cracking 基体微裂纹损伤
matrix critical cracking stress 基体开裂临界应力
For matrix cracking and large deforming, the deformation of a filament wound case is analyzed and calculated.
本文分析计算了基体开裂及大变形对纤维缠绕壳体变形的影响,得到了比较满意的理论分析结果。
The equation on critical stress of matrix cracking that could consider the effect of interface layer and thermal stress can be obtained.
在此基础上建立了可以考虑界面层和热应力影响的基体开裂临界应力求解方程。
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。
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