Abstract
The strength of diamond under uniaxial loading has been widely studied, but little attention has been paid to its strength under complex loadings. In this study, we investigate the theoretical strength under complex loadings based on a nonequilibrium energy model. Two atomistic modeling approaches based on the empirical potential model and density functional theory are applied. Using these two approaches, we derived the strength, strength contours, and strength surfaces under uniaxial, biaxial, and triaxial loadings along the <100> direction. The results are in good agreement with the results of some previous studies, and they show that diamond has a strong tension–compression strength asymmetry effect.
Published Version
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