Journal
JOURNAL OF THE JAPAN INSTITUTE OF METALS
Volume 76, Issue 1, Pages 96-106Publisher
JAPAN INST METALS & MATERIALS
DOI: 10.2320/jinstmet.76.96
Keywords
2-17 samarium cobalt magnet; maximum energy products; coercive force; zirconium additive; Z value; cellular structure; pinning type coercivity; magnetic wall energy; variable flux motor; thermal flux loss; radiation effect
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Sm2Co17 magnets have high thermal resistivity and corrosion resistance with over 240 kJ/m(3) of (BH)(max), which are well balanced ones. But as NdFeB magnets are superior to both magnetic properties and costs, the Sm2Co17 magnets are used in severe circumstance such as automobile applications. The magnetic property of Sm2Co17 magnets are reviewed at first and its coercive force mechanism is discussed. As follow, some applications are introduced.
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