Misch-metal-iron based magnets
Journal Article
·
· J. Appl. Phys.; (United States)
The hard magnetic properties of Fe-Mm-B alloys have been studied in melt-spun ribbons and sintered magnets. The as-spun ribbons were magnetically soft and high coercive fields (H/sub c/approx.7 kOe) were obtained after a heat treatment at about 700 /sup 0/C. This caused crystallization of the sample into the Mm/sub 2/Fe/sub 14/B phase. The magnetization and Curie temperature of the crystallized samples were found to be 70 emu/g and 250 /sup 0/C, respectively. The coercive fields of Mm-Fe-B sintered magnets is lower. Small additions of Al and Dy/sub 2/O/sub 3/ are found to increase the coercive field in the range of 6--10 kOe.
- Research Organization:
- Department of Physics, Kansas State University, Manhattan, Kansas 66506
- OSTI ID:
- 5419626
- Journal Information:
- J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 63:8; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
BORON ALLOYS
CERIUM ALLOYS
CERIUM BASE ALLOYS
COERCIVE FORCE
CURIE POINT
HYSTERESIS
IRON ALLOYS
IRON BASE ALLOYS
LANTHANUM ALLOYS
MAGNETIC PROPERTIES
MATERIALS
MISCH METAL
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
SINTERED MATERIALS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
BORON ALLOYS
CERIUM ALLOYS
CERIUM BASE ALLOYS
COERCIVE FORCE
CURIE POINT
HYSTERESIS
IRON ALLOYS
IRON BASE ALLOYS
LANTHANUM ALLOYS
MAGNETIC PROPERTIES
MATERIALS
MISCH METAL
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
SINTERED MATERIALS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE