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Strain Gradient Effect on Initiation of Adiabatic Shear Localization in Metal Matrix Composites

In this paper, the strain gradient effect on the initiation of adiabatic shear localization in particle reinforced metal matrix composites (MMCp) is investigated. By incorporating our newly developed strain gradient law into the classical scheme of the stability analysis, the analytical form of the critical strain is determined. The results demonstrate that high strain gradient in the matrix provides a strong driving force for the initiation of adiabatic shear localization in MMCp.