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Second-phase particles are often employed to inhibit the grain growth of polycrystalline materials. We studied the interaction between a second-phase particle and a grain boundary using the phase-field method. In particular, we determined the magnitude of pinning force exerted by a particle on a grain boundary. We considered the effect of particle morphology by examining several particle shapes including spherical, ellipsoidal and cubic. The pinning forces computed from the phase-field weredoi:10.1088/0965-0393/20/5/055004 fatcat:p2qwwdmhezhsvp5646ljwmmivm