High Magnetic Field Strength And Powered Magnets
Product Description:
Neodymium Iron Boron (NdFeB) or Neodymium magnets are extremely strong for their size. Shapes include rings, blocks, discs and custom.
To prevent unwanted oxidation, neodymium magnets are usually finished with a zinc, nickel or epoxy coating.
Manufacturing - In general, the elements are melted together and milled into a powder that is dry-pressed to shape in the presence of a magnetic field.
The material is then sintered, ground to dimension, magnetized and tested. They are called “rare earth” magnets because the elements of neodymium are classified as such in the lanthanides section of the Periodic Table of the Elements.
Physical Properties of Sintered Neodymium Magnet :
- Product Name: Sintered Neodymium Magnet
- Shape: Sintered
- Size: Customized
- Magnetic Orientation: Multi-polar
- Magnetic Performance: Stable
- Corrosion Resistance: High
- Material: Magnetic-Alloy-Compound
- Technology: Powder-Metallurgy-Magnet
- Process: Magnetic-Alloy-Compound
Technical Parameters:
| Parameter Name |
Parameter Values |
Unit |
| Curie Temperature |
310～380 |
℃ |
| Relative Recoil Permeability |
1.02～1.05 |
|
| Reversible Temperature Coefficient of Br (20~100℃) |
-0.09～-0.13 |
%/℃ |
| Reversible Temperature Coefficient of Hcj (20~100℃) |
-0.4～-0.7 |
%/℃ |
| Density |
7.50～7.70 |
g/cm3 |
| Vickers Hardness |
550～700 |
|
| Bending Strength |
-0.09～-0.13 |
MPa |
| Tensile Strength |
≥80 |
MPa |
| Compressive Strength |
800 ~1050 |
MPa |
| Electric Resistivity |
150 |
μΩ·cm |
| Thermal Conductivity |
8～10 |
W/(M·℃) |
Coefficient of Thermal Expansion
(Parallel to the orientation) |
5 |
10-6/K |
Coefficient of Thermal Expansion
(vertical to the orientation) |
-1.5 |
10-6/K |
| Young's Modulus |
150～200 |
GPa |
| Specific Heat(20℃～320℃) |
3.0～4.6 |
J/(g·k) |
| weight loss(low weight loss products) |
≤2 |
mg/cm2 |
|
|
Manufacturing process for magnets (outline)
| Mixing |
1.Mix the ingredients. |
| Melting |
2.Dissolve the mixture at high temperature and prepare an alloy. |
| Fine pulverization |
3.Turn the alloy into fine powder. |
| 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. |
| Sintering and heat treatment |
5.Sinter the product at about 1,100℃, and then subject it to heat treatment at
about 600℃ to increase its magnetic characteristics. |
| Processing |
6.Process the manufactured magnet base material and finish it into the product shape. |
| Surface treatment |
7.Subject the product to surface treatment in order to make it rustproof. |
| Magnetization |
8.Apply a magnetic field to give the magnet magnetism. |
Applications:
UNMAG Sintered Neodymium Magnet is the premier choice for high-performance applications where strong, reliable, and stable magnets are required. Made from Neodymium-Iron-Boron, UNMAG magnets are powder-metallurgy-magnets that have a high pull force, multi-polar magnetic orientation, and are highly resistant to temperature. All UNMAG magnets are certified to ISO9001 and are ideal for industrial and commercial applications that demand a powerful and durable magnet. UNMAG sintered neodymium magnets are the perfect combination of strength, stability, and durability to meet the needs of even the most demanding of applications.
Customization:
Sintered Neodymium Magnet Customized Service
UNMAG offers customized service for Sintered Neodymium Magnet, also known as Neodymium-Iron-Boron (NdFeB) magnet, which is made from Neodymium-Iron-Boron alloy. It has high magnetic properties, corrosion resistance, and a wide range of applications. The pull force is also very strong.
Our customized Sintered Neodymium Magnet is made in China and comes in a sintered shape. It is multi-polar oriented and is widely used in various industries.
Choose UNMAG to get reliable customized Sintered Neodymium Magnet with high quality and performance.
Support and Services:
Technical Support and Service for Sintered Neodymium Magnet
We provide technical support and service for sintered neodymium magnet. Our technicians have many years of experience in the industry and are dedicated to providing the best possible service to our customers. We offer free technical advice and support on our products, as well as a range of troubleshooting and installation services. We also offer custom fabrication and modification services to help improve the performance of our magnets.
Our customer service staff are available to answer any questions you may have. We are committed to providing excellent customer service and are always willing to go the extra mile to make sure our customers are 100% satisfied with their purchase. We offer a variety of payment options and offer fast shipping on all orders.
Packing and Shipping:
Packaging and Shipping for Sintered Neodymium Magnet
Sintered neodymium magnets are typically shipped in strong, protective boxes or crates. The box or crate will be filled with foam or other packing materials to prevent the magnets from coming into contact with one another. The box or crate will also be sealed with tape to ensure the magnets remain secure until they reach their destination.
Depending on the size and weight of the magnets, they may be shipped via ground or air transportation. If the magnets are oversized or weigh more than the limit set by the shipping carrier, they may need to be shipped on a pallet. Pallets are typically strapped down with straps or shrink wrap to prevent them from shifting during transport.
If the magnets are being shipped internationally, they may need to be inspected by customs prior to being released. Depending on the country, the customer may need to provide additional paperwork or import permits in order to clear customs.
