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Magnet type: mCo Magnet Block
Material Grade: XG26H,28H,30H are normally used
Working Temperature: 50°C
Surface Treatment: ncoated,Nickel coated for choice
Magnetization Direction: hrough thickness
Customization: cceptable
Samarium Cobalt Block Magnet
A samarium cobalt block magnet, a type of rare-earth magnet, is a strong permanent magnet made of an alloy
of samarium and cobalt. They are generally ranked similarly in strength to neodymium magnets but have higher
temperature ratings,higher coercivity and with excellent corrosion resistance.They are brittle and prone to cracking
and chipping.
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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