New method of hot rolling for fabricating anisotropic Pr-Fe-B-based magnets
Journal Article
·
· Appl. Phys. Lett.; (United States)
A unique method of hot rolling is described which fabricates high performance plate-shaped magnets from a cast Pr/sub 17/Fe/sub 76.5/B/sub 5/Cu/sub 1.5/ alloy. A flat ingot of the alloy with fine-scale columnar grains of a Pr/sub 2/Fe/sub 14/B phase is prepared by chill casting. The ingot is hot rolled in such a way that the roll pressure is applied perpendicular to the preferential growth direction of the columnar grains. A maximum energy product of 25.3 MG Oe has been obtained by this method.
- Research Organization:
- RandD Laboratories-I, Nippon Steel Corporation, 1618 Ida, Nakahara-ku, Kawasaki 211, Japan
- OSTI ID:
- 6155019
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 54:16; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360104 -- Metals & Alloys-- Physical Properties
ALLOYS
BORON ALLOYS
CASTING
COPPER ALLOYS
CRYSTAL STRUCTURE
FABRICATION
GRAIN SIZE
IRON ALLOYS
IRON BASE ALLOYS
MAGNETIC PROPERTIES
MAGNETS
MATERIALS WORKING
MICROSTRUCTURE
PHYSICAL PROPERTIES
PRASEODYMIUM ALLOYS
RARE EARTH ALLOYS
ROLLING
SIZE
360101* -- Metals & Alloys-- Preparation & Fabrication
360104 -- Metals & Alloys-- Physical Properties
ALLOYS
BORON ALLOYS
CASTING
COPPER ALLOYS
CRYSTAL STRUCTURE
FABRICATION
GRAIN SIZE
IRON ALLOYS
IRON BASE ALLOYS
MAGNETIC PROPERTIES
MAGNETS
MATERIALS WORKING
MICROSTRUCTURE
PHYSICAL PROPERTIES
PRASEODYMIUM ALLOYS
RARE EARTH ALLOYS
ROLLING
SIZE