
Neodymium Magnet Corrosion
neodymium magnet corrosion

Neodymium magnets are remarkable technological advancements that have transformed everything from computer hard drives to audio equipment, power tools, and even cars. These magnets have become a vital part of our modern world due to their exceptional strength and durability. However, there is one concern that people have when it comes to neodymium magnets, and that is corrosion.
Corrosion is a natural process that can occur when metals are exposed to air or water. This process typically leads to rust or some type of discoloration. The potential for corrosion in neodymium magnets is no different. However, the good news is that there are ways to prevent this from occurring.
One way to prevent neodymium magnets from corroding is to ensure that they are properly coated. Many neodymium magnets have a layer of nickel plating, which provides an excellent barrier against corrosion. Additionally, other coatings such as epoxy or gold can be applied to the magnets, further protecting them from any type of corrosion.
Another way to prevent corrosion in neodymium magnets is to properly store them. Keeping magnets in a dry, clean, and controlled environment can go a long way in preventing any type of corrosion from occurring. It’s also important to keep magnets away from any type of moisture or liquids.
Lastly, neodymium magnets should be handled with care to prevent damage or breaks that could lead to exposure to air and water, which can lead to corrosion. Magnets should be kept away from high temperatures, which can also cause them to become weak, brittle, and susceptible to corrosion.
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Product Information |
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Product name |
Permanent, Nd Rectangular Block magnet, |
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Material |
Neodymium iron boron, Neo Magnet, Nd Magnet, Rare earth Magnet |
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Grade |
Grade |
Max Operating Temperatures |
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N35-N54 |
80°C (176°F) |
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35M-52M |
100°C (212°F) |
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35H-50H |
120°C (248°F) |
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33SH-48SH |
150°C (302°F) |
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28UH-45UH |
180°C (356°F) |
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28EH-42EH |
200°C (392°F) |
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28AH-40AH |
230°C (446°F) |
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Shape |
Block or Rectangular or Cuboid, but Disc, Ring, Cylinder, Arc and Irregular shape are also available |
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Coating |
Ni, Ni-Cu-Ni, Electroless Nickel, Zinc, Colored Zinc, Epoxy, Passivation, Phosphated, Everlube, Au, Ag, Sn etc. |
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Magnetized |
Thickness Magnetized, but Axially, Diametrical, Multipoles and Radial magnetization are also available, Customized magnetization is welcome. |
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Application |
Servo motor,Brushless motor, Linear Motor, Automotive Motor, HEV& EV motor, Robot Driving Motor, Inverter Compressor Motor , Rail Transit Traction Motor, Consumer Electronics, Wind turbine, Energy-saving Elevator, Loudspeaker, Magnetic switch, VCM, MRI, Magnetic separator, sensor etc. |
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Certificate |
ISO/TS 16949, ISO9001, ISO14001, RoHS, REACH |
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Packing |
Standard sea or air packing, such as carton, wooden box, pallet etc. |
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Lead time |
7 days for samples, 15-20 days for mass production. |
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Transportation |
All shipping methods are available: courier (TNT, DHL, FedEx, UPS), air or sea. |
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The package

Production Process

1) Decades of NdFeb manufacturing and marketing experience
2) Strategic partner of many Fortune 500 companies, operating well under TS16949
3) Samples and trial orders are welcome
4) Competitive price and short lead time because it comes directly from the actual producer.
5) If you have questions about the design, you can provide professional advice or opinions.
Our engineering center, with 600 square meters of advanced analytical methods and a full range of sophisticated test instruments, not only ensures the top quality of TC products, but also serves as the basis for our research and technical improvements. The main test instruments are as follows:
ICP tester, Scanning electron microscope, Laser particle size analyzer, HAST tester, Projector, X-ray thickness tester, carbon and sulfur analyzer, oxygen analyzer, hysteresis line tracing instrument, salt spray tester, electric aging test box, hydrogen and oxygen tester, magnetic field distribution tester, image size measurement system, Vickers hardness tester, magnetic declination tester, Universal testing machine and other applications.
Testing Equipment

Certificate

Production execution standard reference
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Process |
Executive standard |
Process record |
Test record |
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Order evaluation |
CP / Products specification |
Order review record |
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Ingredients |
CP / Raw-materials standard/ SOP |
Preparation record |
Raw-materials test the reports |
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Smelt |
CP / Strip casting standard /SOP |
Strip casting process record |
SC test the report |
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Hydrogen break |
CP / Hydrogen decrepitation |
Hydrogen decrepitation process record |
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Jet mill |
CP / Jet milling decrepitation |
Jet milling process record |
Particle size test report |
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Forming |
CP / Pressing standard |
Pressing process record |
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Sintering |
CP / Sintering standard |
Sintering process record |
NdFeB materials performance test |
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Machining |
CP |
Picking record |
Machining products test report |
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Surface treatment |
CP |
Send the surface treatment record |
Finished goods size hand surface |
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Magnetization and packaging |
CP / Packing specification |
Magnetized record |
Finished goods performance test |
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