Hard magnet coercivity
Bance, S. · Ciuta, G. · Shoji, T. · Gao, T. · Hrkac, G. · Yano, M. · Manabe, A. · Dempsey, N. M. · Schrefl, T. · Givord, D.
Original · EN
Based on a critical analysis of the experimental coercive properties, general considerations on the reversal mechanisms in RFeB magnets are recalled. By plotting together the experimental parameters obtained in various magnets, common features of the reversal processes are demonstrated. Modeling provides an almost quantitative description of coercivity in these materials and permits connecting the defect characteristic properties to reversal mechanisms.
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