Tb–Cu grain boundary diffusion effects on single- and multi-main-phase Nd–Fe–B based magnets
Zhigao Yu, Xiangyi Liu, Jiayi He, Jiali Cao, Wenbing Fan, Yaxiang Wu, Hongya Yu, Liu Hon, Zhan Wang, E. Niu
Abstract
Although Tb diffusion is deeper in multi-main-phase (MMP) magnets than in single-main-phase (SMP) magnets, the coercivity enhancement and squareness of diffused MMP magnets are lower than those of SMP magnets due to the larger gradient of anisotropy.
Topics & Concepts
MagnetMaterials scienceCoercivityDiffusionGrain boundaryPhase (matter)AnisotropyGrain boundary diffusion coefficientCondensed matter physicsNuclear magnetic resonanceMetallurgyMicrostructureThermodynamicsMechanical engineeringOpticsChemistryPhysicsEngineeringOrganic chemistryMagnetic Properties of AlloysMagnetic properties of thin filmsSuperconducting Materials and Applications