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Neodymium magnets are also known as strong magnets, super magnets, and some people call them magnet kings, which is indeed a well-deserved name because even in small sizes, they have extraordinary strength and are currently the strongest permanent magnets in the world. material.
Iron-iron-boron（Ndfeb） excels in "magnetic properties" coefficients such as intrinsic coercivity, energy product and remanence
1. It has strong anti-demagnetization ability, the maximum intrinsic coercivity can reach about 2 times that of samarium cobalt permanent magnet, and about 3-10 times that of ferrite.
2. Instruments and meters used in iron-iron-boron magnetic materials have more potential in the field of lightweight, and the maximum magnetic energy product is 1.5 times that of samarium cobalt permanent magnets and 10 times that of ferrite;
3. The ability to resist external magnetic fields is the strongest, and the maximum remanence is 1.2 times that of samarium cobalt permanent magnets and 3-4 times that of ferrite magnets. Therefore, iron-iron-boron magnetic materials are widely used because of their comparative advantages in intrinsic coercivity, magnetic energy product and remanence, and are well-deserved "magnet kings".
In contrast, the only advantage of ferrite is that the production cost is low, so it is mostly used in relatively low-end fields. High-end fields hardly use ferrite due to high performance requirements;
Although samarium cobalt permanent magnet can work in a wide range of temperatures, its mechanical properties are poor, and it contains cobalt. The price/performance ratio is not high, Therefore, it is often only used in military, aerospace and other fields that require high temperature performance.
Our company can provide you with all kinds of super strong neodymium magnet processing customization (don't be scared by the word customization, it will not incur a high cost), some sizes are in stock, looking forward to your consultation.
Neodymium magnet related knowledge;
This product is a customized countersunk magnet ring, made of rare earth neodymium iron boron, 17mm outer diameter, black nickel plating on the surface, compared with ordinary nickel plating....
This product is a radial multi-pole ferrite rotor magnetic ring, photographed by Xiao Fu, a Courage magnet manufacturer in China. The magnet has 12 magnetic poles, 6 N poles and 6 S poles, and the magnetic field intensity can reach 1700 Gauss. The specific size of the magnet is 18mm outer diameter, 10mm aperture and 17.5mm height, and it is mainly used for permanent magnet DC motor....
This is a samarium-cobalt round magnet with counterbore. The size is 15mm in outer diameter, 5mm in thickness, magnetized in the thickness direction, and no other coating on the surface. Customers who need our quotation for you are welcome to consult and can be customized....
This is a medium and large size countersunk square magnet, made of rare earth neodymium material, with strong magnetic field strength, magnet length and width size is 40mm, thickness 10mm....
This is a thin ferrite magnet sheet customized for American customers not long ago, hard permanent magnet, rectangular shape, no plating on the surface, black, length 40mm, width 20mm, thickness 1mm, magnetization through the thickness of 1mm direction....
This product is a small-size circular ferrite magnet with a diameter of 10mm and a thickness of 2mm. It is magnetized with thickness and no other treatment on the surface. It is suitable for electronic products, industry and induction devices. If you need to process ultra-thin ferrite magnets, please contact us for quotation....
You are now viewing this is a high grade (N50) hollow cylindrical magnet with a through hole drilled in the middle of a cylindrical neodymium magnet, OD size 7.5mm, hole 3mm, height 30mm....
This is a special magnetic ring for magnetic encoder, the material is injection molded ferrite, the surface has a raised structure, the outer diameter is 34.1mm, the hole is 18mm, the total thickness is 3mm, single side multi-pole magnetization (62 and 64 poles)....