Abstract
We report microstructure, magnetocaloric effect and thermal transfer properties of highly orientated Nd0.8Pr0.2Co5 alloy prepared by powder metallurgical processing. Two spin-reorientation transitions of easy magnetization direction, easy plane to easy cone at TSR1 = 206 K, easy cone to easy axis at TSR2 = 242 K, are observed. The present textured alloy exhibits a rotating entropy change of 2.6 J/(kg·K) and refrigerant capacity of 155 J/kg under a magnetic field of 2 T, and high thermal conductivity of 11 W/(m·K). The sintered Nd0.8Pr0.2Co5 alloy with good combination of excellent magnetocaloric and thermal transfer properties are promising for scientific research and practical applications as room-temperature rotating magnetic refrigeration materials.
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