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Application and production process of NdFeB Ferrite magnetic material

Application of NaFeB magnetic

The use of NdFeb has always been very common, with the change of time, the age of science and technology continues to advance, and the use of NdFEB magnet is becoming more and more obvious.The most important raw material for ndFeb magnets is metal neodymium, pure iron, iron boron alloy and other additives. That’s why ndFeb magnets have such good properties.Although magnet brings us a lot of convenience, but at the same time is also a certain harm, such as keyboard, bank CARDS with magnetic electronic goods will be magnetized by magnet.

Ndfeb magnets in descaling, antiscale, via the ndfeb high-strength magnetized water disposal, water molecules bond simultaneous firing Angle and length of the deformation, hydrogen bond Angle from 105 to 103 degrees, the water physical and chemical properties of a series of ignition changes the water activity and melting degree big fierce progress, the calcium carbonate in the water in the cooking process flat differentiation to generate low solid calcium bicarbonate, difficult walls in the backlog, easily taken away by water.With the increase of polymerization degree of other water, the dissolved solid material becomes finer particles. After the particles are refined, the space between the two ions is smaller, which is not easy to condensate on the wall, and then reach the effect of descaling.

In the rare earth function data industry, the nd-Fe-B permanent magnet with high function is mainly used, while the nD-FE-B permanent magnet with high function is mainly used in the high-end market such as new power, energy saving and environmental protection, such as EPS, New Power vehicles, etc.

Neodymium iron boron magnet manufacturers with the automotive industry skills and human demand for energy conservation and environmental protection, low energy consumption, low music, less exhaust electric or hybrid vehicles have become the goal of everyone.Bonded NdFeb magnet has the advantages of high magnetic function, small size and high efficiency. The motor using NdFEB magnet has 8-50% higher efficiency than popular motor, power consumption is reduced by more than 10%, volume and component can be increased by more than 30%.To complete the automobile miniaturization, lightweight, high – functional and energy – saving environmental protection.

As the third generation of rare earth permanent magnetic material, NdFeb magnet has very high function and is widely used. However, it should be noted that in order to prevent the damage of decay, it is required to protect the surface of NdFEB magnet. For example, stop electroplating with gold or zinc and spray epoxy resin on the surface.

What is the successful point of Ndfeb magnet?
We should know that in today’s society, after thousands of years of development, today the magnet has become an essential function of our day data.Through the advanced powder metallurgy process, the alloy can achieve and exceed the effect of the magnet, and also can improve the magnetic force to the maximum extent.
Artificial magnets were present in the 18th century, but the process of producing higher magnetic data was slow until the 1920s, when AlNiCo was made.Ferrite was made in 1948, in the 1970s Rare Earth magnet made samarium cobalt (SmCo), NdFeB(NdFeB) 1986, the most powerful magnet in the world to date.

So far, the physical magnetic science and technology has been further developed, the strong magnetic data also makes the component more and more small, in 1999 Zibo shengjin magnet with independent combination of 13000GS rare earth strong magnet broke through the professional precedent, and soon carried out in the industry, China’s rare earth magnetic profession ushered in a new world.
Strong magnet temperature is under 80 degrees, we just put the strong magnet on the fire for a few minutes, after cooling you put it around the iron, found that it has lost magnetism, no longer suction.
The factor is that a strong magnet is magnetic because the iron atoms in a strong magnet are well placed.When it is heated, the iron atoms disarrange themselves and lose their magnetism.The same we can also use other methods to degaussing strong magnets.

What is the difference between ndFeb and ferrite magnets?What’s the difference?

Many industries need to use magnets. Of course, we certainly hope to choose cost-effective products, which can reduce our production costs and ensure our work efficiency.And on the market more common or neodymium iron boron and ferrite magnet, these two products in the end what kind of difference, use which kind of magnet is better?

The advantage of Neodymium iron boron magnet is that the cost performance is higher, but also has very good mechanical characteristics, the price is more favorable, now you can directly through the network to wholesale, basically a kilogram of several hundred yuan or so, such a strong magnet use effect is quite good.However, it also has certain deficiencies, poor temperature characteristics, and relatively easy to powder corrosion, so it must be through other chemical components, as well as surface treatment to improve its corrosion resistance, so as to achieve a good use effect.

And ferrite resistivity is too strong, than other magnets are larger, and its dielectric properties are also relatively high.So this kind of magnet in some high frequency weak current industry commonly used products, and from the point of view of its price, the current price is still more favorable, is a cost-effective product.

In fact, the current NdFeb magnet is the real “magnetic king”, high performance also makes it has a very good practicality in different industries.However, the performance of the ferrite magnet is not as good as that of the NdFeb. However, in terms of price, the NdFEB is still higher. We also need to choose the comprehensive cost performance.Nd-fe-b is highly temperature-resistant, while ferrite is usually only about 80°. Magnetism will degrade beyond this temperature.So you still have to consider the actual needs of the purchase.

Features and processing technology of NdFeb magnet
Neodymium-iron-boron permanent magnet is the latest achievement in the development of rare earth permanent magnet materials. It is known as the “king of magnets” because of its excellent magnetic properties.Neodymium iron boron magnetic material is neodymium, iron oxide and other alloys.Also known as magnetic steel.Neodymium-iron-boron permanent magnet is widely used in modern industry and electronic technology for its high magnetic energy products, straightening force and high energy density, which makes it possible to miniaturize, lightweight and thin instruments, electroacoustic motors and magnetic separation magnetization equipment.The present invention has the advantages of high cost performance, good mechanical property, low Curie temperature point, poor temperature characteristic and easy pulverization of powder corrosion, which can meet the requirements of practical application by adjusting chemical composition and adopting surface treatment method.
The third generation of rare earth permanent magnet neodymium iron boron is the strongest permanent magnet of the present generation.The main raw materials are neodymium 29% ~ 32.5%, iron 63.95-68.65%, boron 1.1-1.2%, dysprosium 0.6-1.2%, niobium 0.3-0.5%, aluminum 0.3-0.5%, copper 0.05-0.15% and other high-end magnet elements in Dongguan.

Boron-iron permanent magnetic material is a permanent magnetic material based on the intermetallic compound RE2FE14B.The main components are rare earth, iron and boron.For different performance, with other rare earth metals such as cobalt (Co) and aluminum (Al) instead of rare earth, iron, and can also use cobalt (Co) and aluminum (Al), and other metal parts to replace, and the formation of a square crystal structure of intermetallic compounds of the compounds with high saturation magnetization, high uniaxial anisotropy and high Curie temperature plays an important role.

Ndfeb permanent magnet machine: centerless grinder, inverted grinder, double-head grinder, surface grinder, slicer, double-face grinder, wire cutting, Tianjin high speed, West Lake bench drill, abnormal grinding, etc.

Tools for production and performance testing of NdFeb magnets: vacuum melting strip casting furnace, HDDR furnace, air flow mill, press, cold isostatic press, vacuum sintering furnace, vacuum heat treatment furnace, magnetic properties tester, Gauss meter.

Among them, vacuum smelting sling furnace.Vacuum sintering and vacuum tempering are the core.

SIMUWU has more than 20 years of experience in the furnace production of NdFeb production line.
The SIMUWU IVRQS series vacuum furnace can be used as an optional melting strip casting furnace
SIMUWU RVS series high vacuum sintering furnace can be used for sintering.
SIMUWU RVT vacuum furnace can be used for heat treatment to complete the secondary tempering of vacuum furnace.
SIMUWU vacuum furnace equipment stable operation, reliable quality.Fully automatic intelligent control.We can customize the equipment according to different technology.
Detailed equipment information, welcome to consult the sales engineer.