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Magnet type: mCo Magnet Disc
Material Grade: XG26H,28H,30H are normally used
Working Temperature: 50°C
Surface Treatment: ncoated,Nickel coated for choice
Magnetization Direction: hrough Axial
Customization: cceptable
Samarium Cobalt Disc Magnet
A samarium cobalt disc magnet, are round coin-shaped neodymium magnets of varying diameter and thickness.
SmCo is a widely used second-generation high energy material. Using Samarium and cobalt as its rare earth element,it exhibits high magnetic performance characteristics in energy products and coercive force. There are two compositions of magnets in this family: Sm1Co5 and Sm2Co17. The highest commercially available energy products of Sm2Co17 are in the 30MGOe range.
They are commonly used at sensors or other devices where the magnet needs to operate in high temperatures.
| Parameter Name | Unit | SmCo5 | Sm2Co17 |
| Density | g/cm³ | 8.2 ~ 8.4 | 8.3 ~ 8.5 |
| Curie Temperature | ℃ | 700 ~ 750 | 800 ~ 850 |
| Max. Operating Temperature | ℃ | 250 | 350 |
| Temperature Coefficient Of Br | %/℃ | -0.05 | -0.03 |
| Vickers Hardness | HV | 450 ~ 500 | 550 ~600 |
| Electronic Ressistivity | Ω.cm | 5 ~ 6 x 10(-5） | 8 ~ 9 x 10(-5) |
| Thermal Conductivity | W/mK | 12 | 13 |
| 1 | Mixing | 1.Mix the ingredients. |
| 2 | Melting | 2.Dissolve the mixture at high temperature and prepare an alloy. |
| 3 | Fine pulverization | 3.Turn the alloy into fine powder. |
| 4 | Molding in a magnetic field | 4.When pressing the fine powder, apply a magnetic field to it and |
| prepare a molded product of powder with aligned directions of magnetization. | ||
| 5 | Sintering and heat treatment | 5.Sinter the product at about 1,200℃, and then subject it to heat treatment |
| at about 1000℃ to increase its magnetic characteristics. | ||
| 6 | Processing | 6.Process the manufactured magnet base material and finish it into the product shape. |
| 7 | Magnetization | 7. Surface-treat it for rustproofing |
Applications of Samarium Cobalt
Computer disc drives
Sensors
Traveling wave tubes
Linear actuators
Satellite systems
Motors where temporary stability is vital
Regarding of magnetic properties of SmCo Magnet, Please click here.
For your different application,different grade/series for your choice.
UNMAG are supplying SmCo magnets applied in various industrial applications. We have advanced technology,
rich experience, and professional engineering technicians in this field.
| For more details,welcome to contact with our sales engineers. |
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