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使用弹性理论和剪切滞后分析,推导出了基体和纤维应力场分布表达式,研究了纤维体积分数、纤维长径比和基体屈服强度等对应力分布和应力传递的影响。研究表明,基体和纤维应力分布及基体的塑性行为具有明显的不均匀性,基体与纤维之间存在明显的应力传递和应变分配。
Using elastic theory and shear lag analysis, the expression of stress distribution in matrix and fiber was deduced. The effects of fiber volume fraction, fiber aspect ratio and yield strength on stress distribution and stress transfer were studied. The results show that the matrix and fiber stress distribution and the plastic behavior of the matrix have obvious inhomogeneity, and there is obvious stress transfer and strain distribution between matrix and fiber.