SmCo Ring Magnet
Introduction to SmCo Ring Magnets
Samarium Cobalt (SmCo) ring magnets are a type of rare earth magnet known for their exceptional magnetic properties and high resistance to demagnetization. These magnets are composed of samarium, cobalt, and other metallic elements, making them ideal for applications requiring high performance in extreme conditions. In this guide, we will explore the unique characteristics, applications, and benefits of SmCo ring magnets, as well as provide an overview of a leading manufacturer in the field.
Characteristics of SmCo Ring Magnets
SmCo ring magnets are known for their superior magnetic strength and stability. They exhibit excellent thermal stability, maintaining their magnetic properties at temperatures up to 300°C (572°F). Additionally, samarium cobalt ring magnets have high resistance to corrosion, making them suitable for harsh environments. Their intrinsic coercivity and energy product make them a preferred choice for demanding applications.
Applications of Samarium Cobalt Ring Magnets
SmCo ring magnets are used in various industries due to their robust performance characteristics. Common applications include:
- Aerospace: Used in sensors, actuators, and other precision instruments.
- Medical Devices: Utilized in MRI machines, surgical tools, and other medical equipment.
- Automotive: Employed in electric motors, sensors, and ignition systems.
- Electronics: Found in speakers, headphones, and other audio equipment.
- Renewable Energy: Used in wind turbine generators and other renewable energy technologies.
Advantages of SmCo Ring Magnets
The advantages of samarium cobalt ring magnets include:
- High Magnetic Strength: Superior magnetic properties compared to other types of magnets.
- Thermal Stability: Operate effectively in high-temperature environments.
- Corrosion Resistance: Excellent resistance to oxidation and corrosion.
- Long-Term Stability: Maintain their magnetic properties over time, even in challenging conditions.
Magnetic Properties of Samarium Cobalt
| Grade | Remanence (Br) | Intrinsic Coercivity (Hcj) | Coercivity (Hcb) | Maximum Energy Product (BH)max | ||
|---|---|---|---|---|---|---|
| kGs | kOe | kOe | MGOe | |||
| Max | Min | Range | Range | Max | Min | |
| YXG20L | 9.20 | 8.60 | 5-18 | 4.5-8.8 | 22 | 18 |
| YXG22L | 9.50 | 9.00 | 5-18 | 4.5-9.2 | 24 | 20 |
| YXG24L | 10.00 | 9.50 | 5-18 | 4.5-9.7 | 26 | 22 |
| YXG26L | 10.40 | 10.00 | 5-18 | 4.5-10 | 27 | 24 |
| YXG28L | 10.80 | 10.40 | 5-18 | 4.5-10.5 | 28 | 26 |
| YXG30L | 11.10 | 10.80 | 5-18 | 4.5-10.6 | 30 | 28 |
| YXG32L | 11.40 | 11.10 | 5-18 | 4.5-10.8 | 31 | 30 |
| YXG33L | 11.60 | 11.40 | 5-18 | 4.5-11.0 | 32 | 31 |
| YXG34L | 11.80 | 11.60 | 5-18 | 4.5-11.2 | 33 | 32 |
| YXG35L | 12.20 | 11.70 | 5-18 | 4.5-11.2 | 35 | 33 |
| YXG20 | 9.20 | 8.60 | 18-25 | 7.8-8.8 | 22 | 18 |
| YXG22 | 9.50 | 9.00 | 18-25 | 8.2-9.2 | 24 | 20 |
| YXG24 | 10.00 | 9.50 | 18-25 | 8.6-9.7 | 26 | 22 |
| YXG26 | 10.40 | 10.00 | 18-25 | 9.0-10.0 | 27 | 24 |
| YXG28 | 11.10 | 10.40 | 18-25 | 9.5-10.5 | 28 | 26 |
| YXG30 | 11.10 | 10.80 | 18-25 | 9.8-10.6 | 30 | 28 |
| YXG32 | 11.60 | 11.10 | 18-25 | 10.1-10.8 | 31 | 30 |
| YXG33 | 11.60 | 11.40 | 18-25 | 10.4-11.0 | 32 | 31 |
| YXG34 | 11.80 | 11.60 | 18-25 | 10.6-11.2 | 33 | 32 |
| YXG35 | 12.20 | 11.70 | 18-25 | 10.8-11.5 | 35 | 33 |
| YXG20H | 9.20 | 8.60 | ＞25 | 7.8-8.8 | 22 | 18 |
| YXG22H | 9.50 | 9.00 | ＞25 | 8.2-9.2 | 24 | 20 |
| YXG24H | 10.00 | 9.50 | ＞25 | 8.6-9.7 | 26 | 22 |
| YXG26H | 10.40 | 10.00 | ＞25 | 9.0-10.0 | 27 | 24 |
| YXG28H | 10.80 | 10.40 | ＞25 | 9.5-10.5 | 28 | 26 |
| YXG30H | 11.10 | 10.80 | ＞25 | 9.8-10.6 | 30 | 28 |
| YXG32H | 11.40 | 11.10 | ＞25 | 10.1-10.8 | 31 | 30 |
| YXG33H | 11.60 | 11.40 | ＞25 | 10.4-11.0 | 33 | 31 |
| YXG34H | 11.80 | 11.60 | ＞25 | 10.6-11.2 | 33 | 32 |
| YXG35H | 12.20 | 11.70 | ＞25 | 10.8-11.5 | 35 | 33 |
Physical Properties of Smco Magnets
| Parameter Name | Unit | SmCo 1:5 | SmCo 2:17 |
|---|---|---|---|
| Density | G/Cm3 | 8.3 | 8.4 |
| Curie Temperature | K | 1000 | 1100 |
| Vickers hardness | MPa | 450-500 | 550-600 |
| Compressing Strength | MPa | 1000 | 800 |
| Electronic Resistivity | Ω.Cm | 5-6&Times;10-5 | 8-9&Times;10-5 |
| Bending Strength | MPa | 150-180 | 130-150 |
| Stretching Strength | MPa | 400 | 350 |
| Hot Coefficient Of Expansion | (10-6/℃) | ‖6⊥12 | ‖6⊥11 |
| Note: The Above Specific Numbers Help To Consult, Not to Be The Judging Basis | |||
Manufacturing Process of Samarium Cobalt Ring Magnets
The production of SmCo ring magnets involves several key steps:
- Material Preparation: Raw materials are mixed and alloyed.
- Powdering: The alloy is ground into fine powder.
- Pressing: Powder is pressed into molds under high pressure.
- Sintering: Pressed parts are sintered at high temperatures to form solid magnets.
- Machining and Coating: Finished magnets are machined to precise dimensions and coated for additional protection.
Quality Control in SmCo Ring Magnet Production
Ensuring the quality of samarium cobalt ring magnets involves rigorous testing and monitoring throughout the production process. At Ningbo Upsun Magnetic Technology Co., Ltd., we utilize advanced testing equipment to measure magnetic properties, dimensional accuracy, and thermal stability. Our precision processing workshop ensures that every magnet meets stringent quality standards.
Why Choose Ningbo Upsun Magnetic Technology Co., Ltd.
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Ningbo Upsun Magnetic Technology Co., Ltd., located in Ningbo, an important port city in eastern China, is a professional magnetic material enterprise specializing in the research, development, and production of magnetic products. With years of technical accumulation, we have developed an experienced and skilled team and operate in a standardized mode. Our internationally advanced production equipment and modern factory facilities, combined with our commitment to high-performance NdFeB magnets, make us a trusted partner for your magnet needs. We ensure product quality through strict monitoring of the manufacturing process.
Conclusion
Samarium cobalt ring magnets offer unparalleled performance for a wide range of applications, thanks to their high magnetic strength, thermal stability, and corrosion resistance. If you are in need of reliable, high-quality SmCo ring magnets, Ningbo Upsun Magnetic Technology Co., Ltd. is your ideal partner. Our extensive experience, advanced production facilities, and commitment to quality make us a leader in the magnet industry. Trust us to meet your needs with precision and excellence.
For more information or to discuss your specific requirements, please contact Ningbo Upsun Magnetic Technology Co., Ltd. We look forward to partnering with you to provide the best solutions for your magnetic material needs.
