On the texture of NdFeB permanent magnets

For NdFeB magnets, there is only the general process of sintering, or the elimination of pores. No evidence of any improvement in grain orientation is observed and this is associated with limited growth of Nd 2Fe 14B grains. This behaviour is different from that of the (SmPr)Co 5 alloy. There is a...

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Bibliographic Details
Published in:Journal of the less-common metals 1990-04, Vol.159 (1-2), p.69-74
Main Authors: Changhua, Zheng, Tao, Fu, Xunyi, Zeng
Format: Article
Language:English
Subjects:
Applied sciences
Cold working, work hardening
annealing, quenching, tempering, recovery, and recrystallization
textures
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Specific materials
Structure of solids and liquids
crystallography
Treatment of materials and its effects on microstructure and properties
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Description
Summary:For NdFeB magnets, there is only the general process of sintering, or the elimination of pores. No evidence of any improvement in grain orientation is observed and this is associated with limited growth of Nd 2Fe 14B grains. This behaviour is different from that of the (SmPr)Co 5 alloy. There is an indication of internal demagnetization in NdFeB magnets when the coercivity and the packing fraction of Nd 2Fe 14B are low.
ISSN:0022-5088
DOI:10.1016/0022-5088(90)90133-5