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Hydrogen decrepitation as a method of powder preparation of a 2:17-type, Sm(Co, Cu, Fe, Zr)8.92 magnetic alloy
- Source :
- Journal of Materials Science; February 1985, Vol. 20 Issue: 2 p682-688, 7p
- Publication Year :
- 1985
-
Abstract
- The present work has shown that hydrogen decrepitation of a 2:17-type Sm (Co<subscript>0.673</subscript> Cu<subscript>0.080</subscript>Fe<subscript>0.222</subscript>Zr<subscript>0.025</subscript>)<subscript>8.92</subscript> alloy is a very rapid and convenient means of producing powdered material for the production of polymer-bonded permanent magnets. The magnets made from the hydrogen decrepitated powder (average particle size ~100µm) exhibited improved demagnetization loop shapes, higher intrinsic coercivities and improved elevated temperature stability when compared with the magnets produced from the standard milled powder material (average particle size ~40µm). These differences in properties have been related to the differences in the character of the powders produced by the two methods of decrepitation.
Details
- Language :
- English
- ISSN :
- 00222461 and 15734803
- Volume :
- 20
- Issue :
- 2
- Database :
- Supplemental Index
- Journal :
- Journal of Materials Science
- Publication Type :
- Periodical
- Accession number :
- ejs16430516
- Full Text :
- https://doi.org/10.1007/BF01026543