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分析了纤维增强铝基复合材料弯曲试验中应用弹性力学计算公式求弯曲强度时的误差，其来源包括基体塑性变形和部分纤维的先期断裂两个方面，并从理论和实验两方面针对基体和纤维提出了新的修正计算公式和方法。
The error of calculating the flexural strength by using the formula of elasticity mechanics in the bending test of fiber-reinforced aluminum matrix composites is analyzed. The sources include the plastic deformation of the matrix and the premature fracture of some fibers. The theoretical and experimental studies on the matrix and fiber Proposed a new formula and method of correction.