KR102721666B1 - Nd-Fe-B 적층 소결 자석 및 그 제조방법 - Google Patents

Nd-Fe-B 적층 소결 자석 및 그 제조방법 Download PDF

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KR102721666B1
KR102721666B1 KR1020237025676A KR20237025676A KR102721666B1 KR 102721666 B1 KR102721666 B1 KR 102721666B1 KR 1020237025676 A KR1020237025676 A KR 1020237025676A KR 20237025676 A KR20237025676 A KR 20237025676A KR 102721666 B1 KR102721666 B1 KR 102721666B1
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magnet
laminated
sintered magnet
thin plate
magnets
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KR20230148327A (ko
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마사토 사가와
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엔디에프이비 코포레이션
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    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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    • B22F3/004—Filling molds with powder
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    • B22F3/02—Compacting only
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    • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
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  • Metallurgy (AREA)
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  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
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KR1020237025676A 2021-01-26 2022-01-17 Nd-Fe-B 적층 소결 자석 및 그 제조방법 Active KR102721666B1 (ko)

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JPJP-P-2021-010537 2021-01-26
JP2021010537 2021-01-26
PCT/JP2022/001412 WO2022163407A1 (ja) 2021-01-26 2022-01-17 Ｎｄ－Ｆｅ－Ｂ積層焼結磁石およびその製造方法

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KR20230148327A KR20230148327A (ko) 2023-10-24
KR102721666B1 true KR102721666B1 (ko) 2024-10-23

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US (1) US20240079179A1 (https=)
EP (1) EP4287226A4 (https=)
JP (1) JP7576862B2 (https=)
KR (1) KR102721666B1 (https=)
CN (1) CN116762147A (https=)
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JP2024016680A (ja) * 2022-07-26 2024-02-07 Ｎｄｆｅｂ株式会社 ネオジム積層焼結磁石
CN115775678B (zh) * 2022-11-14 2025-11-04 中钢天源股份有限公司 一种提高钕铁硼永磁材料厚产品内禀矫顽力的方法
CN116721860B (zh) * 2023-08-08 2023-12-08 乳源瑶族自治县力强磁铁制品有限公司 一种钕铁硼电机磁体生产用烧结工艺及专用设备
WO2025057756A1 (ja) * 2023-09-11 2025-03-20 日本特殊陶業株式会社 積層磁石及びモーター
JP2025039991A (ja) * 2023-09-11 2025-03-24 日本特殊陶業株式会社 積層磁石及びモーター
JP2025039994A (ja) * 2023-09-11 2025-03-24 日本特殊陶業株式会社 積層磁石及びモーター
JP2025039995A (ja) * 2023-09-11 2025-03-24 日本特殊陶業株式会社 積層磁石及びモーター
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