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- W1570630000 abstract "Magnetic properties, microstructure and texture of NdFeB magnets fabricated by a modified hot working process from commercial melt-spun powders (Magnequench; MQPA, MQPB and MQPB+) have been investigated. The hot-pressed isotropic magnet made from MQPA powder, which contains higher Nd content than that of MQPB or MQPB+, shows higher coercivity. The magnet also shows homogenous and fine grains with higher coercivity for higher consolidation pressure. The hot-deformed MQPA magnet shows a strong anisotropy along the press direction with homogeneous platelet Nd<TEX>$_2$</TEX>Fe<TEX>$_{14}$</TEX>B grains of 50∼100nm in thickness and 200∼500nm in length. The hot-deformed MQPB+ magnet, however, shows low remanence and low coercivity. The microstructure of the magnet consists of two areas; undeformed Nd<TEX>$_2$</TEX>Fe<TEX>$_{14}$</TEX>B grains and well-aligned but large grains with 3∼4 <TEX>$mu$</TEX>m in length. Low Nd content attributes to the formation of the two different area." @default.
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- W1570630000 date "2002-12-01" @default.
- W1570630000 modified "2023-09-27" @default.
- W1570630000 title "Magnetic Properties and Microstructure of Nanocrystalline NdFeB Magnets Fabricated by a Modified Hot Working Process" @default.
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- W1570630000 doi "https://doi.org/10.4283/jmag.2002.7.4.138" @default.
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