However , the small - size particle - reinforced composite is more prone to deformation localization than the large - particle composite under impact loading . dislocation models considering the effects of reinforcing particles are used to determine c1 , c2 and c3 related to effective strain gradient in the present work . based on taylor relation and the kinetics of dislocation multiplication , glide and annihilation , a strain gradient - dependent constitutive equation of mmcp is developed
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