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https://doi.org/10.1016/S0921-4526(02)00724-X

has been cited by the following article:

• TITLE: Model Building and Anisotropy of PrFeB Permanent Magnetic Materials

  AUTHORS: Min Liu, Xuehui Cai, Weiping Gong, Yajie Li, Lixia Cheng

  KEYWORDS: Structural Defects, Boundary Phases, Exchange Coupling Interactions, Anisotropy

  JOURNAL NAME: Materials Sciences and Applications, Vol.11 No.11, November 23, 2020

  ABSTRACT: This paper considers that the crystal grains of HDDR Pr2Fe14B permanent magnetic material are cubic, the size is 0.3 μm, and the crystal grains are in simple cubic accumulation. It is considered that there are boundary phases between grains. It is assumed that the boundary phases are non-magnetic phases with the thickness of d, and evenly distributed between grains. The anisotropy expression of single grain boundary is given considering structure defect and intergranular exchange coupling interaction. Based on micro-magnetic simulation calculation, the variation of the average anisotropy of a single grain with the structural defects and boundary phases was calculated. The results show that when the thickness of structural defects is constant, the average anisotropy of a single grain decreases with increasing of grain boundary phase thickness, and while the thickness of grain boundary phase is constant, it also decreases with increasing of structural defect thickness.