EFFECTS OF HEAT-TREATMENTS ON COERCIVITY AND MICROSTRUCTURE IN ND15FE77B8 SINTERED MAGNETS
The effects of psst-sintering heat treatments on the structure and properties in sintered Nd15Fe77B8 magnets have been investigated. In the as-sintered sample, the crystal structure of the Nd-rich phase was f.c.c., while the Nd-rich phase transformed into a superlattice after heat treatment at 600 degrees C for 1 h. However, the structures of Nd2Fe14B and B-rich (Nd1+epsilonFe4B4) phases did not change upon heat treatment. It is suggested that the formation of the superlattice enhances the coercivity of the magnets.
- Publisher
- ELSEVIER SCIENCE SA LAUSANNE
- Issue Date
- 1995-06
- Language
- English
- Article Type
- Article
- Keywords
FE-B MAGNETS; PERMANENT-MAGNETS; ND
- Citation
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, v.32, no.1-2, pp.89 - 91
- ISSN
- 0921-5107
- Appears in Collection
- RIMS Journal Papers
- Files in This Item
- There are no files associated with this item.
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