1 Introduction to Research & Analysis Reports
1.1 NdFeB Magnets Market Definition
1.2 Market Segments
1.2.1 Market by Type
1.2.2 Market by Application
1.3 Global NdFeB Magnets Market Overview
1.4 Features & Benefits of This Report
1.5 Methodology & Sources of Information
1.5.1 Research Methodology
1.5.2 Research Process
1.5.3 Base Year
1.5.4 Report Assumptions & Caveats
2 Global NdFeB Magnets Overall Market Size
2.1 Global NdFeB Magnets Market Size: 2022 VS 2029
2.2 Global NdFeB Magnets Revenue, Prospects & Forecasts: 2018-2029
2.3 Global NdFeB Magnets Sales: 2018-2029
3 Company Landscape
3.1 Top NdFeB Magnets Players in Global Market
3.2 Top Global NdFeB Magnets Companies Ranked by Revenue
3.3 Global NdFeB Magnets Revenue by Companies
3.4 Global NdFeB Magnets Sales by Companies
3.5 Global NdFeB Magnets Price by Manufacturer (2018-2023)
3.6 Top 3 and Top 5 NdFeB Magnets Companies in Global Market, by Revenue in 2022
3.7 Global Manufacturers NdFeB Magnets Product Type
3.8 Tier 1, Tier 2 and Tier 3 NdFeB Magnets Players in Global Market
3.8.1 List of Global Tier 1 NdFeB Magnets Companies
3.8.2 List of Global Tier 2 and Tier 3 NdFeB Magnets Companies
4 Sights by Product
4.1 Overview
4.1.1 By Type – Global NdFeB Magnets Market Size Markets, 2022 & 2029
4.1.2 Sintered NdFeB Magnet
4.1.3 Bonded NdFeB Magnet
4.2 By Type – Global NdFeB Magnets Revenue & Forecasts
4.2.1 By Type – Global NdFeB Magnets Revenue, 2018-2023
4.2.2 By Type – Global NdFeB Magnets Revenue, 2024-2029
4.2.3 By Type – Global NdFeB Magnets Revenue Market Share, 2018-2029
4.3 By Type – Global NdFeB Magnets Sales & Forecasts
4.3.1 By Type – Global NdFeB Magnets Sales, 2018-2023
4.3.2 By Type – Global NdFeB Magnets Sales, 2024-2029
4.3.3 By Type – Global NdFeB Magnets Sales Market Share, 2018-2029
4.4 By Type – Global NdFeB Magnets Price (Manufacturers Selling Prices), 2018-2029
5 Sights by Application
5.1 Overview
5.1.1 By Application – Global NdFeB Magnets Market Size, 2022 & 2029
5.1.2 Consumer Electronics
5.1.3 Industrial Motor
5.1.4 Energy-Saving Appliances
5.1.5 Vehicle
5.1.6 Other
5.2 By Application – Global NdFeB Magnets Revenue & Forecasts
5.2.1 By Application – Global NdFeB Magnets Revenue, 2018-2023
5.2.2 By Application – Global NdFeB Magnets Revenue, 2024-2029
5.2.3 By Application – Global NdFeB Magnets Revenue Market Share, 2018-2029
5.3 By Application – Global NdFeB Magnets Sales & Forecasts
5.3.1 By Application – Global NdFeB Magnets Sales, 2018-2023
5.3.2 By Application – Global NdFeB Magnets Sales, 2024-2029
5.3.3 By Application – Global NdFeB Magnets Sales Market Share, 2018-2029
5.4 By Application – Global NdFeB Magnets Price (Manufacturers Selling Prices), 2018-2029
6 Sights by Region
6.1 By Region – Global NdFeB Magnets Market Size, 2022 & 2029
6.2 By Region – Global NdFeB Magnets Revenue & Forecasts
6.2.1 By Region – Global NdFeB Magnets Revenue, 2018-2023
6.2.2 By Region – Global NdFeB Magnets Revenue, 2024-2029
6.2.3 By Region – Global NdFeB Magnets Revenue Market Share, 2018-2029
6.3 By Region – Global NdFeB Magnets Sales & Forecasts
6.3.1 By Region – Global NdFeB Magnets Sales, 2018-2023
6.3.2 By Region – Global NdFeB Magnets Sales, 2024-2029
6.3.3 By Region – Global NdFeB Magnets Sales Market Share, 2018-2029
6.4 North America
6.4.1 By Country – North America NdFeB Magnets Revenue, 2018-2029
6.4.2 By Country – North America NdFeB Magnets Sales, 2018-2029
6.4.3 US NdFeB Magnets Market Size, 2018-2029
6.4.4 Canada NdFeB Magnets Market Size, 2018-2029
6.4.5 Mexico NdFeB Magnets Market Size, 2018-2029
6.5 Europe
6.5.1 By Country – Europe NdFeB Magnets Revenue, 2018-2029
6.5.2 By Country – Europe NdFeB Magnets Sales, 2018-2029
6.5.3 Germany NdFeB Magnets Market Size, 2018-2029
6.5.4 France NdFeB Magnets Market Size, 2018-2029
6.5.5 U.K. NdFeB Magnets Market Size, 2018-2029
6.5.6 Italy NdFeB Magnets Market Size, 2018-2029
6.5.7 Russia NdFeB Magnets Market Size, 2018-2029
6.5.8 Nordic Countries NdFeB Magnets Market Size, 2018-2029
6.5.9 Benelux NdFeB Magnets Market Size, 2018-2029
6.6 Asia
6.6.1 By Region – Asia NdFeB Magnets Revenue, 2018-2029
6.6.2 By Region – Asia NdFeB Magnets Sales, 2018-2029
6.6.3 China NdFeB Magnets Market Size, 2018-2029
6.6.4 Japan NdFeB Magnets Market Size, 2018-2029
6.6.5 South Korea NdFeB Magnets Market Size, 2018-2029
6.6.6 Southeast Asia NdFeB Magnets Market Size, 2018-2029
6.6.7 India NdFeB Magnets Market Size, 2018-2029
6.7 South America
6.7.1 By Country – South America NdFeB Magnets Revenue, 2018-2029
6.7.2 By Country – South America NdFeB Magnets Sales, 2018-2029
6.7.3 Brazil NdFeB Magnets Market Size, 2018-2029
6.7.4 Argentina NdFeB Magnets Market Size, 2018-2029
6.8 Middle East & Africa
6.8.1 By Country – Middle East & Africa NdFeB Magnets Revenue, 2018-2029
6.8.2 By Country – Middle East & Africa NdFeB Magnets Sales, 2018-2029
6.8.3 Turkey NdFeB Magnets Market Size, 2018-2029
6.8.4 Israel NdFeB Magnets Market Size, 2018-2029
6.8.5 Saudi Arabia NdFeB Magnets Market Size, 2018-2029
6.8.6 UAE NdFeB Magnets Market Size, 2018-2029
7 Manufacturers & Brands Profiles
7.1 Hitachi Metals
7.1.1 Hitachi Metals Company Summary
7.1.2 Hitachi Metals Business Overview
7.1.3 Hitachi Metals NdFeB Magnets Major Product Offerings
7.1.4 Hitachi Metals NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.1.5 Hitachi Metals Key News & Latest Developments
7.2 MMC
7.2.1 MMC Company Summary
7.2.2 MMC Business Overview
7.2.3 MMC NdFeB Magnets Major Product Offerings
7.2.4 MMC NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.2.5 MMC Key News & Latest Developments
7.3 Vacuumschmelze
7.3.1 Vacuumschmelze Company Summary
7.3.2 Vacuumschmelze Business Overview
7.3.3 Vacuumschmelze NdFeB Magnets Major Product Offerings
7.3.4 Vacuumschmelze NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.3.5 Vacuumschmelze Key News & Latest Developments
7.4 Zhong Ke San Huan
7.4.1 Zhong Ke San Huan Company Summary
7.4.2 Zhong Ke San Huan Business Overview
7.4.3 Zhong Ke San Huan NdFeB Magnets Major Product Offerings
7.4.4 Zhong Ke San Huan NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.4.5 Zhong Ke San Huan Key News & Latest Developments
7.5 TDK
7.5.1 TDK Company Summary
7.5.2 TDK Business Overview
7.5.3 TDK NdFeB Magnets Major Product Offerings
7.5.4 TDK NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.5.5 TDK Key News & Latest Developments
7.6 Zhenghai Magnetic
7.6.1 Zhenghai Magnetic Company Summary
7.6.2 Zhenghai Magnetic Business Overview
7.6.3 Zhenghai Magnetic NdFeB Magnets Major Product Offerings
7.6.4 Zhenghai Magnetic NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.6.5 Zhenghai Magnetic Key News & Latest Developments
7.7 Ningbo Yunsheng
7.7.1 Ningbo Yunsheng Company Summary
7.7.2 Ningbo Yunsheng Business Overview
7.7.3 Ningbo Yunsheng NdFeB Magnets Major Product Offerings
7.7.4 Ningbo Yunsheng NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.7.5 Ningbo Yunsheng Key News & Latest Developments
7.8 Tianhe Magnets
7.8.1 Tianhe Magnets Company Summary
7.8.2 Tianhe Magnets Business Overview
7.8.3 Tianhe Magnets NdFeB Magnets Major Product Offerings
7.8.4 Tianhe Magnets NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.8.5 Tianhe Magnets Key News & Latest Developments
7.9 Shougang Magnetic Material
7.9.1 Shougang Magnetic Material Company Summary
7.9.2 Shougang Magnetic Material Business Overview
7.9.3 Shougang Magnetic Material NdFeB Magnets Major Product Offerings
7.9.4 Shougang Magnetic Material NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.9.5 Shougang Magnetic Material Key News & Latest Developments
7.10 Jingci Magnet
7.10.1 Jingci Magnet Company Summary
7.10.2 Jingci Magnet Business Overview
7.10.3 Jingci Magnet NdFeB Magnets Major Product Offerings
7.10.4 Jingci Magnet NdFeB Magnets Sales and Revenue in Global (2018-2023)
7.10.5 Jingci Magnet Key News & Latest Developments
8 Global NdFeB Magnets Production Capacity, Analysis
8.1 Global NdFeB Magnets Production Capacity, 2018-2029
8.2 NdFeB Magnets Production Capacity of Key Manufacturers in Global Market
8.3 Global NdFeB Magnets Production by Region
9 Key Market Trends, Opportunity, Drivers and Restraints
9.1 Market Opportunities & Trends
9.2 Market Drivers
9.3 Market Restraints
10 NdFeB Magnets Supply Chain Analysis
10.1 NdFeB Magnets Industry Value Chain
10.2 NdFeB Magnets Upstream Market
10.3 NdFeB Magnets Downstream and Clients
10.4 Marketing Channels Analysis
10.4.1 Marketing Channels
10.4.2 NdFeB Magnets Distributors and Sales Agents in Global
11 Conclusion
12 Appendix
12.1 Note
12.2 Examples of Clients
12.3 Disclaimer
Table 1. Key Players of NdFeB Magnets in Global Market
Table 2. Top NdFeB Magnets Players in Global Market, Ranking by Revenue (2022)
Table 3. Global NdFeB Magnets Revenue by Companies, (US$, Mn), 2018-2023
Table 4. Global NdFeB Magnets Revenue Share by Companies, 2018-2023
Table 5. Global NdFeB Magnets Sales by Companies, (K MT), 2018-2023
Table 6. Global NdFeB Magnets Sales Share by Companies, 2018-2023
Table 7. Key Manufacturers NdFeB Magnets Price (2018-2023) & (USD/MT)
Table 8. Global Manufacturers NdFeB Magnets Product Type
Table 9. List of Global Tier 1 NdFeB Magnets Companies, Revenue (US$, Mn) in 2022 and Market Share
Table 10. List of Global Tier 2 and Tier 3 NdFeB Magnets Companies, Revenue (US$, Mn) in 2022 and Market Share
Table 11. By Type – Global NdFeB Magnets Revenue, (US$, Mn), 2022 & 2029
Table 12. By Type - Global NdFeB Magnets Revenue (US$, Mn), 2018-2023
Table 13. By Type - Global NdFeB Magnets Revenue (US$, Mn), 2024-2029
Table 14. By Type - Global NdFeB Magnets Sales (K MT), 2018-2023
Table 15. By Type - Global NdFeB Magnets Sales (K MT), 2024-2029
Table 16. By Application – Global NdFeB Magnets Revenue, (US$, Mn), 2022 & 2029
Table 17. By Application - Global NdFeB Magnets Revenue (US$, Mn), 2018-2023
Table 18. By Application - Global NdFeB Magnets Revenue (US$, Mn), 2024-2029
Table 19. By Application - Global NdFeB Magnets Sales (K MT), 2018-2023
Table 20. By Application - Global NdFeB Magnets Sales (K MT), 2024-2029
Table 21. By Region – Global NdFeB Magnets Revenue, (US$, Mn), 2022 VS 2029
Table 22. By Region - Global NdFeB Magnets Revenue (US$, Mn), 2018-2023
Table 23. By Region - Global NdFeB Magnets Revenue (US$, Mn), 2024-2029
Table 24. By Region - Global NdFeB Magnets Sales (K MT), 2018-2023
Table 25. By Region - Global NdFeB Magnets Sales (K MT), 2024-2029
Table 26. By Country - North America NdFeB Magnets Revenue, (US$, Mn), 2018-2023
Table 27. By Country - North America NdFeB Magnets Revenue, (US$, Mn), 2024-2029
Table 28. By Country - North America NdFeB Magnets Sales, (K MT), 2018-2023
Table 29. By Country - North America NdFeB Magnets Sales, (K MT), 2024-2029
Table 30. By Country - Europe NdFeB Magnets Revenue, (US$, Mn), 2018-2023
Table 31. By Country - Europe NdFeB Magnets Revenue, (US$, Mn), 2024-2029
Table 32. By Country - Europe NdFeB Magnets Sales, (K MT), 2018-2023
Table 33. By Country - Europe NdFeB Magnets Sales, (K MT), 2024-2029
Table 34. By Region - Asia NdFeB Magnets Revenue, (US$, Mn), 2018-2023
Table 35. By Region - Asia NdFeB Magnets Revenue, (US$, Mn), 2024-2029
Table 36. By Region - Asia NdFeB Magnets Sales, (K MT), 2018-2023
Table 37. By Region - Asia NdFeB Magnets Sales, (K MT), 2024-2029
Table 38. By Country - South America NdFeB Magnets Revenue, (US$, Mn), 2018-2023
Table 39. By Country - South America NdFeB Magnets Revenue, (US$, Mn), 2024-2029
Table 40. By Country - South America NdFeB Magnets Sales, (K MT), 2018-2023
Table 41. By Country - South America NdFeB Magnets Sales, (K MT), 2024-2029
Table 42. By Country - Middle East & Africa NdFeB Magnets Revenue, (US$, Mn), 2018-2023
Table 43. By Country - Middle East & Africa NdFeB Magnets Revenue, (US$, Mn), 2024-2029
Table 44. By Country - Middle East & Africa NdFeB Magnets Sales, (K MT), 2018-2023
Table 45. By Country - Middle East & Africa NdFeB Magnets Sales, (K MT), 2024-2029
Table 46. Hitachi Metals Company Summary
Table 47. Hitachi Metals NdFeB Magnets Product Offerings
Table 48. Hitachi Metals NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 49. Hitachi Metals Key News & Latest Developments
Table 50. MMC Company Summary
Table 51. MMC NdFeB Magnets Product Offerings
Table 52. MMC NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 53. MMC Key News & Latest Developments
Table 54. Vacuumschmelze Company Summary
Table 55. Vacuumschmelze NdFeB Magnets Product Offerings
Table 56. Vacuumschmelze NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 57. Vacuumschmelze Key News & Latest Developments
Table 58. Zhong Ke San Huan Company Summary
Table 59. Zhong Ke San Huan NdFeB Magnets Product Offerings
Table 60. Zhong Ke San Huan NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 61. Zhong Ke San Huan Key News & Latest Developments
Table 62. TDK Company Summary
Table 63. TDK NdFeB Magnets Product Offerings
Table 64. TDK NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 65. TDK Key News & Latest Developments
Table 66. Zhenghai Magnetic Company Summary
Table 67. Zhenghai Magnetic NdFeB Magnets Product Offerings
Table 68. Zhenghai Magnetic NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 69. Zhenghai Magnetic Key News & Latest Developments
Table 70. Ningbo Yunsheng Company Summary
Table 71. Ningbo Yunsheng NdFeB Magnets Product Offerings
Table 72. Ningbo Yunsheng NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 73. Ningbo Yunsheng Key News & Latest Developments
Table 74. Tianhe Magnets Company Summary
Table 75. Tianhe Magnets NdFeB Magnets Product Offerings
Table 76. Tianhe Magnets NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 77. Tianhe Magnets Key News & Latest Developments
Table 78. Shougang Magnetic Material Company Summary
Table 79. Shougang Magnetic Material NdFeB Magnets Product Offerings
Table 80. Shougang Magnetic Material NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 81. Shougang Magnetic Material Key News & Latest Developments
Table 82. Jingci Magnet Company Summary
Table 83. Jingci Magnet NdFeB Magnets Product Offerings
Table 84. Jingci Magnet NdFeB Magnets Sales (K MT), Revenue (US$, Mn) and Average Price (USD/MT) (2018-2023)
Table 85. Jingci Magnet Key News & Latest Developments
Table 86. NdFeB Magnets Production Capacity (K MT) of Key Manufacturers in Global Market, 2021-2023 (K MT)
Table 87. Global NdFeB Magnets Capacity Market Share of Key Manufacturers, 2021-2023
Table 88. Global NdFeB Magnets Production by Region, 2018-2023 (K MT)
Table 89. Global NdFeB Magnets Production by Region, 2024-2029 (K MT)
Table 90. NdFeB Magnets Market Opportunities & Trends in Global Market
Table 91. NdFeB Magnets Market Drivers in Global Market
Table 92. NdFeB Magnets Market Restraints in Global Market
Table 93. NdFeB Magnets Raw Materials
Table 94. NdFeB Magnets Raw Materials Suppliers in Global Market
Table 95. Typical NdFeB Magnets Downstream
Table 96. NdFeB Magnets Downstream Clients in Global Market
Table 97. NdFeB Magnets Distributors and Sales Agents in Global Market
List of Figures
Figure 1. NdFeB Magnets Segment by Type in 2022
Figure 2. NdFeB Magnets Segment by Application in 2022
Figure 3. Global NdFeB Magnets Market Overview: 2022
Figure 4. Key Caveats
Figure 5. Global NdFeB Magnets Market Size: 2022 VS 2029 (US$, Mn)
Figure 6. Global NdFeB Magnets Revenue, 2018-2029 (US$, Mn)
Figure 7. NdFeB Magnets Sales in Global Market: 2018-2029 (K MT)
Figure 8. The Top 3 and 5 Players Market Share by NdFeB Magnets Revenue in 2022
Figure 9. By Type - Global NdFeB Magnets Revenue, (US$, Mn), 2022 & 2029
Figure 10. By Type - Global NdFeB Magnets Revenue Market Share, 2018-2029
Figure 11. By Type - Global NdFeB Magnets Sales Market Share, 2018-2029
Figure 12. By Type - Global NdFeB Magnets Price (USD/MT), 2018-2029
Figure 13. By Application - Global NdFeB Magnets Revenue, (US$, Mn), 2022 & 2029
Figure 14. By Application - Global NdFeB Magnets Revenue Market Share, 2018-2029
Figure 15. By Application - Global NdFeB Magnets Sales Market Share, 2018-2029
Figure 16. By Application - Global NdFeB Magnets Price (USD/MT), 2018-2029
Figure 17. By Region - Global NdFeB Magnets Revenue, (US$, Mn), 2022 & 2029
Figure 18. By Region - Global NdFeB Magnets Revenue Market Share, 2018 VS 2022 VS 2029
Figure 19. By Region - Global NdFeB Magnets Revenue Market Share, 2018-2029
Figure 20. By Region - Global NdFeB Magnets Sales Market Share, 2018-2029
Figure 21. By Country - North America NdFeB Magnets Revenue Market Share, 2018-2029
Figure 22. By Country - North America NdFeB Magnets Sales Market Share, 2018-2029
Figure 23. US NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 24. Canada NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 25. Mexico NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 26. By Country - Europe NdFeB Magnets Revenue Market Share, 2018-2029
Figure 27. By Country - Europe NdFeB Magnets Sales Market Share, 2018-2029
Figure 28. Germany NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 29. France NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 30. U.K. NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 31. Italy NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 32. Russia NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 33. Nordic Countries NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 34. Benelux NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 35. By Region - Asia NdFeB Magnets Revenue Market Share, 2018-2029
Figure 36. By Region - Asia NdFeB Magnets Sales Market Share, 2018-2029
Figure 37. China NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 38. Japan NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 39. South Korea NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 40. Southeast Asia NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 41. India NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 42. By Country - South America NdFeB Magnets Revenue Market Share, 2018-2029
Figure 43. By Country - South America NdFeB Magnets Sales Market Share, 2018-2029
Figure 44. Brazil NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 45. Argentina NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 46. By Country - Middle East & Africa NdFeB Magnets Revenue Market Share, 2018-2029
Figure 47. By Country - Middle East & Africa NdFeB Magnets Sales Market Share, 2018-2029
Figure 48. Turkey NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 49. Israel NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 50. Saudi Arabia NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 51. UAE NdFeB Magnets Revenue, (US$, Mn), 2018-2029
Figure 52. Global NdFeB Magnets Production Capacity (K MT), 2018-2029
Figure 53. The Percentage of Production NdFeB Magnets by Region, 2022 VS 2029
Figure 54. NdFeB Magnets Industry Value Chain
Figure 55. Marketing Channels
※参考情報 ネオジム磁石、正式にはNdFeB磁石(ネオジム・鉄・ボロン磁石)は、強力な永久磁石の一種であり、1990年代初頭に商業的に普及し始めました。この磁石は、ネオジム(Nd)、鉄(Fe)、およびボロン(B)を主成分とし、その名の通り、これらの元素が含まれています。ネオジム磁石は、他の種類の永久磁石に比べて非常に高いエネルギー密度を持つため、さまざまな産業で利用されています。 ネオジム磁石の特徴として第一に挙げられるのは、その優れた磁力です。具体的には、ネオジム磁石は非常に高い残留磁気(Br)を持ち、これにより強力な磁場を生成します。これによって、比較的小型のサイズでありながら、非常に強力な性能を発揮します。また、キュリー温度(磁石の特性が失われる温度)が高く、通常は80度から200度の範囲にありますが、温度が上昇すると性質が変化しやすいため、特定の用途においては高温耐性の材料が必要になります。 さらに、ネオジム磁石は脆い特性を持っており、落下や衝撃によって容易に破損する可能性があります。そのため、他の材料と組み合わせたり、適切なコーティングを施したりすることでその脆さを克服する必要があります。一般的に、ニッケルや亜鉛でコーティングする場合が多く、これは湿気や腐食から磁石を守るためでもあります。 種類については、ネオジム磁石は主にその製造プロセスによっていくつかのタイプに分けられます。一般に、ネオジム磁石は「焼結ネオジム磁石」と「軟質ネオジム磁石」に大別できます。焼結ネオジム磁石は、粉末状の原材料を焼結して固体の磁石に成形します。このプロセスにより高い性能が得られるため、最も一般的に使用されています。一方、軟質ネオジム磁石は、主にカラーパーツなどの特殊用途に適した材料となります。 ネオジム磁石の用途は非常に広範囲です。まず、電気機器においては、スピーカー、マイクロフォン、モーターなどに使用されており、特に小型化と軽量化が求められる場面で重宝されています。また、家庭用電化製品、自動車、医療機器、さらには再生可能エネルギー(風力発電や電気自動車)においても多く利用されています。これにより、エネルギー効率の向上とコスト削減に寄与しています。 そのほか、ネオジム磁石はホビーやDIYにも利用されており、強力な磁力を活かして様々な工作物を作ることができます。また、最近では磁力を利用した新しいタイプの技術が次々と登場しており、例えば医療分野では非侵襲的な治療法や診断技術に活用されることもあります。特に、MRI(磁気共鳴画像法)のような高精度の画像診断を実現するために、ネオジム磁石が大きく貢献していることが確認されています。 関連技術としては、ネオジム磁石は他の磁石や材料と組み合わせることで更なる性能向上が期待されており、例えば、それらを用いた新しい電磁デバイスやセンサー技術が研究されています。特に、マイクロエレクトロメカニカルシステム(MEMS)やナノ技術との連携は、新たな産業の形成に寄与する可能性があります。また、リサイクル技術も注目されており、使用済みのネオジム磁石から貴重な素材を再利用することが環境保護の観点からも重要となっています。 このように、ネオジム磁石はその強力な特性と幅広い用途から、現代のテクノロジーの進展において欠かせない材料の一つとなっています。今後も新しい技術や用途が開発され、ますます重要な役割を果たすことが期待されます。技術の進化とともに、ネオジム磁石の未来は明るく、多くの可能性を秘めています。 |
❖ 免責事項 ❖
http://www.globalresearch.jp/disclaimer