CN109604618A - 一种表面附有耐磨涂层的钕铁硼磁体的制备方法 - Google Patents
一种表面附有耐磨涂层的钕铁硼磁体的制备方法 Download PDFInfo
- Publication number
- CN109604618A CN109604618A CN201811546288.7A CN201811546288A CN109604618A CN 109604618 A CN109604618 A CN 109604618A CN 201811546288 A CN201811546288 A CN 201811546288A CN 109604618 A CN109604618 A CN 109604618A
- Authority
- CN
- China
- Prior art keywords
- parts
- iron boron
- neodymium iron
- magnetic body
- boron magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 60
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 238000000576 coating method Methods 0.000 title claims abstract description 22
- 239000011248 coating agent Substances 0.000 title claims abstract description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 9
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- 239000011701 zinc Substances 0.000 claims abstract description 7
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 3
- 238000000498 ball milling Methods 0.000 claims description 18
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 229910000018 strontium carbonate Inorganic materials 0.000 claims description 5
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- -1 carbonate compound Chemical class 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910017569 La2(CO3)3 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811546288.7A CN109604618B (zh) | 2018-12-18 | 2018-12-18 | 一种表面附有耐磨涂层的钕铁硼磁体的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811546288.7A CN109604618B (zh) | 2018-12-18 | 2018-12-18 | 一种表面附有耐磨涂层的钕铁硼磁体的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109604618A true CN109604618A (zh) | 2019-04-12 |
CN109604618B CN109604618B (zh) | 2022-06-10 |
Family
ID=66009479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811546288.7A Active CN109604618B (zh) | 2018-12-18 | 2018-12-18 | 一种表面附有耐磨涂层的钕铁硼磁体的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109604618B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110423139A (zh) * | 2019-07-24 | 2019-11-08 | 北矿磁材(阜阳)有限公司 | 一种钕铁硼磁体表面玻璃涂层的制备方法 |
CN115101280A (zh) * | 2022-07-26 | 2022-09-23 | 宁波大缙华磁性材料有限公司 | 一种高耐磨的氢破铽钕铁硼磁体及其制备方法和由该钕铁硼磁体制成的圆柱体磁块 |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61140108A (ja) * | 1984-12-12 | 1986-06-27 | Namiki Precision Jewel Co Ltd | 永久磁石の製造方法 |
JPH11176619A (ja) * | 1997-10-09 | 1999-07-02 | Sumitomo Metal Mining Co Ltd | 耐酸化耐摩耗性被膜付き希土類磁石 |
CN1238316A (zh) * | 1998-05-20 | 1999-12-15 | 株式会社村田制作所 | 压电陶瓷组合物 |
CN102443834A (zh) * | 2011-12-12 | 2012-05-09 | 南昌航空大学 | 钕铁硼永磁材料表面颗粒增强有机防腐涂层的制备方法 |
CN103474225A (zh) * | 2013-07-20 | 2013-12-25 | 南通万宝实业有限公司 | 一种镝铈掺杂的钕铁硼磁体的制备方法 |
CN104894553A (zh) * | 2015-04-09 | 2015-09-09 | 中国科学院宁波材料技术与工程研究所 | 提高材料表面改性层性能的方法及其应用 |
CN105427993A (zh) * | 2015-11-27 | 2016-03-23 | 宁波科星材料科技有限公司 | 一种低失重钕铁硼磁体及其制备方法 |
CN105777136A (zh) * | 2016-01-29 | 2016-07-20 | 常州达奥新材料科技有限公司 | 一种陶瓷纤维包裹NdFeB粘结磁粉的制备方法 |
CN106128680A (zh) * | 2016-08-24 | 2016-11-16 | 江西金力永磁科技股份有限公司 | 一种改性钕铁硼磁体及其制备方法 |
CN106601463A (zh) * | 2016-12-09 | 2017-04-26 | 宁波大榭开发区银鑫磁业有限公司 | 一种钕铁硼永磁材料 |
CN107931062A (zh) * | 2017-11-23 | 2018-04-20 | 安徽大地熊新材料股份有限公司 | 一种烧结钕铁硼磁体表面耐磨防腐涂层的制备方法 |
CN108417336A (zh) * | 2018-05-21 | 2018-08-17 | 南通万宝实业有限公司 | 一种高强度钕铁硼永磁材料 |
CN108735414A (zh) * | 2018-05-21 | 2018-11-02 | 南通万宝实业有限公司 | 一种高强度钕铁硼永磁材料的制备方法 |
CN108914042A (zh) * | 2018-07-06 | 2018-11-30 | 安徽大地熊新材料股份有限公司 | 一种耐磨防腐烧结钕铁硼磁体的制备方法 |
CN108962528A (zh) * | 2018-06-29 | 2018-12-07 | 南京信息工程大学 | 一种具有高温稳定性的磁性材料及其制备方法 |
-
2018
- 2018-12-18 CN CN201811546288.7A patent/CN109604618B/zh active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61140108A (ja) * | 1984-12-12 | 1986-06-27 | Namiki Precision Jewel Co Ltd | 永久磁石の製造方法 |
JPH11176619A (ja) * | 1997-10-09 | 1999-07-02 | Sumitomo Metal Mining Co Ltd | 耐酸化耐摩耗性被膜付き希土類磁石 |
CN1238316A (zh) * | 1998-05-20 | 1999-12-15 | 株式会社村田制作所 | 压电陶瓷组合物 |
CN102443834A (zh) * | 2011-12-12 | 2012-05-09 | 南昌航空大学 | 钕铁硼永磁材料表面颗粒增强有机防腐涂层的制备方法 |
CN103474225A (zh) * | 2013-07-20 | 2013-12-25 | 南通万宝实业有限公司 | 一种镝铈掺杂的钕铁硼磁体的制备方法 |
CN104894553A (zh) * | 2015-04-09 | 2015-09-09 | 中国科学院宁波材料技术与工程研究所 | 提高材料表面改性层性能的方法及其应用 |
CN105427993A (zh) * | 2015-11-27 | 2016-03-23 | 宁波科星材料科技有限公司 | 一种低失重钕铁硼磁体及其制备方法 |
CN105777136A (zh) * | 2016-01-29 | 2016-07-20 | 常州达奥新材料科技有限公司 | 一种陶瓷纤维包裹NdFeB粘结磁粉的制备方法 |
CN106128680A (zh) * | 2016-08-24 | 2016-11-16 | 江西金力永磁科技股份有限公司 | 一种改性钕铁硼磁体及其制备方法 |
CN106601463A (zh) * | 2016-12-09 | 2017-04-26 | 宁波大榭开发区银鑫磁业有限公司 | 一种钕铁硼永磁材料 |
CN107931062A (zh) * | 2017-11-23 | 2018-04-20 | 安徽大地熊新材料股份有限公司 | 一种烧结钕铁硼磁体表面耐磨防腐涂层的制备方法 |
CN108417336A (zh) * | 2018-05-21 | 2018-08-17 | 南通万宝实业有限公司 | 一种高强度钕铁硼永磁材料 |
CN108735414A (zh) * | 2018-05-21 | 2018-11-02 | 南通万宝实业有限公司 | 一种高强度钕铁硼永磁材料的制备方法 |
CN108962528A (zh) * | 2018-06-29 | 2018-12-07 | 南京信息工程大学 | 一种具有高温稳定性的磁性材料及其制备方法 |
CN108914042A (zh) * | 2018-07-06 | 2018-11-30 | 安徽大地熊新材料股份有限公司 | 一种耐磨防腐烧结钕铁硼磁体的制备方法 |
Non-Patent Citations (2)
Title |
---|
姚忠冉等: "CaxSr1-xBi2Nb2O9无铅压电陶瓷制备及其高温稳定性研究", 《无机材料学报》 * |
姚忠冉等: "CaxSr1-xBi2Nb2O9无铅压电陶瓷制备及其高温稳定性研究", 《无机材料学报》, 30 September 2015 (2015-09-30), pages 989 - 994 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110423139A (zh) * | 2019-07-24 | 2019-11-08 | 北矿磁材(阜阳)有限公司 | 一种钕铁硼磁体表面玻璃涂层的制备方法 |
CN110423139B (zh) * | 2019-07-24 | 2021-11-02 | 北矿磁材(阜阳)有限公司 | 一种钕铁硼磁体表面玻璃涂层的制备方法 |
CN115101280A (zh) * | 2022-07-26 | 2022-09-23 | 宁波大缙华磁性材料有限公司 | 一种高耐磨的氢破铽钕铁硼磁体及其制备方法和由该钕铁硼磁体制成的圆柱体磁块 |
Also Published As
Publication number | Publication date |
---|---|
CN109604618B (zh) | 2022-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6803462B2 (ja) | R−Fe−B系希土類焼結磁石の粒界拡散方法 | |
CN106128672B (zh) | 一种扩散烧结连续化RE‑Fe‑B磁体及其制备方法 | |
CN104671771B (zh) | 一种高电压梯度氧化锌基压敏电阻材料及其制备方法 | |
WO2015046732A1 (ko) | 열간가압성형 공정을 이용한 이방성 열간가압성형 자석의 제조방법 및 이 방법으로 제조된 열간가압성형 자석 | |
CN102568738B (zh) | 高机械强度烧结钕铁硼永磁体的制造方法 | |
CN110890210B (zh) | 一种弧形钕铁硼磁体矫顽力提升方法 | |
CN109692963A (zh) | 一种表面附有耐腐蚀涂层的钕铁硼磁体的制备方法 | |
CN105321702A (zh) | 一种提高烧结NdFeB磁体矫顽力的方法 | |
CN109604618A (zh) | 一种表面附有耐磨涂层的钕铁硼磁体的制备方法 | |
WO2019029000A1 (zh) | 一种耐高温钕铁硼磁体及其制备方法 | |
CN108735414A (zh) | 一种高强度钕铁硼永磁材料的制备方法 | |
CN103928204A (zh) | 一种低稀土含量的各向异性纳米晶NdFeB致密磁体及其制备方法 | |
CN108015293B (zh) | 一种双合金钕铁硼稀土永磁体及其制造方法 | |
KR102043951B1 (ko) | 층구조를 갖는 경연자성 복합 자석 및 이의 제조방법 | |
WO2017096676A1 (zh) | 一种高性能烧结钕铁硼磁体 | |
CN112017835A (zh) | 一种低重稀土高矫顽力烧结钕铁硼磁体及其制备方法 | |
CN109509604A (zh) | 一种钕铁硼磁体的制备方法 | |
CN108962579B (zh) | 制备高矫顽力钕铁硼磁体的方法 | |
CN112712954B (zh) | 烧结钕铁硼磁体的制备方法 | |
CN105280320B (zh) | 一种易面各向异性高频微波磁性材料及其制备方法 | |
CN103422005B (zh) | 一种利用钒钛磁铁矿碳热原位反应烧结制备铁基摩擦材料的方法 | |
CN106007704A (zh) | 一种微米立方颗粒结构的块体陶瓷材料及其制备方法 | |
CN109686557B (zh) | 一种耐腐蚀钕铁硼磁体的制备方法 | |
JPH0465804A (ja) | 永久磁石とその製造方法 | |
KR100615043B1 (ko) | 페라이트분말과 스트론튬분말을 이용한 영구자석의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240613 Address after: Building 2-5, No. 155 Meichuan West Road, Longquan Village, Henghe Town, Cixi City, Ningbo City, Zhejiang Province, 315300 Patentee after: Ningbo Zhonghang Magnetic Industry Co.,Ltd. Country or region after: China Address before: 315318 No. 155 Meichuan West Road, Henghe Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: NINGBO ZHONGHANG MAGNETIC MATERIALS CO.,LTD. Country or region before: China |