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首页> 外文期刊>Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing >Modeling the fracture toughness and tensile ductility of SiC_p/Al metal matrix composites
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Modeling the fracture toughness and tensile ductility of SiC_p/Al metal matrix composites

机译：SiC_p / Al金属基复合材料的断裂韧性和拉伸塑性建模

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摘要

This paper develops a mechanical model to describe the fracture toughness and tensile ductility of SiC_p/Al metal matrix composites based on Eshelby method and Weibull distribution. It has been shown that the model predictions are in reasonable agreement with the experimental counterparts. The fracture toughness and tensile ductility of the composite are lower than the comparative alloys, and decrease as the volume fraction of the SiC particles increases. The size of the SiC particles also has effects on the tensile ductility and fracture toughness. The SiC particles will initiate microcracks during deformation, and thus decrease the fracture toughness and tensile ductility of the composites.
机译：本文基于Eshelby法和Weibull分布，建立了描述SiC_p / Al金属基复合材料断裂韧性和拉伸塑性的力学模型。结果表明，模型的预测与实验中的模型是合理的。复合材料的断裂韧性和拉伸延展性低于对比合金，并且随着SiC颗粒的体积分数增加而降低。 SiC颗粒的尺寸也影响拉伸延展性和断裂韧性。 SiC颗粒将在变形过程中引发微裂纹，从而降低复合材料的断裂韧性和拉伸延展性。

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