Permanent magnet, and motor and power generator using the same

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United States of America

PATENT NO 10573437
APP PUB NO 20130241682A1
SERIAL NO

13747942

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Abstract

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In one embodiment, a permanent magnet includes: a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10.8≤p≤13.5 at %, 28≤q≤40 at %, 0.88≤r≤7.2 at %, and 3.5≤s≤13.5 at %); and a metallic structure including a cell phase having a Th2Zn17 crystal phase, and a cell wall phase. A Cu concentration in the cell wall phase is in a range from 30 at % to 70 at %.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hagiwara, Masaya Kanagawa-ken, JP 64 204
Horiuchi, Yosuke Tokyo, JP 65 264
Kobayashi, Tsuyoshi Kanagawa-ken, JP 202 2074
Okamoto, Keiko Kanagawa-ken, JP 39 205
Sakurada, Shinya Tokyo, JP 132 800

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