Since 2002 , focus on manufacturing and supplying various kinds of bonded ferrite magnets

     

How shallow of ndfeb magnet is corrosion protection

by:Maghard      2020-09-20
Dongguan ndfeb magnet manufacturer is magnetic material a 'new members in the family. The application function of the magnetic material can be divided into soft magnetic materials, permanent magnetic materials and magnetic recording moment magnetic materials, magnetic materials, etc, are collectively referred to as magnetic functional materials. Of permanent magnetic material after magnetization demagnetization and not easily to a kind of long-term retention magnetic magnetic materials, also known as hard magnetic material or permanent magnetic materials. Ndfeb magnet is very easy to corrode. For this reason, most finished products to the plating or coating. Regular use of surface treatment include: nickel plating ( Nickel and copper nickel) , galvanized, aluminum plating, electrophoresis, etc. If the work in a closed environment, also can adopt the way of phosphating. Ndfeb magnet is widely used at present, fast-growing magnet products. Ndfeb from invention to now widely used, but also more than 20 years of time. Because of its high magnetic and workability, the price is not high, so the application area to expand rapidly. At present, the commercialization of ndfeb magnetic energy product can reach 50 mgoe, 10 times that of ferrite. Ndfeb is powder metallurgy products, processing way like samarium cobalt. At present, the summary of the highest working temperature at 180 degrees Celsius. If it is a bad environment application, generally recommend no more than 140 degrees Celsius. Features: ndfeb magnet with usually compared with ferrite magnetic materials such as ndfeb magnets have excellent magnetic properties. The magnetic energy product is much higher than other types of magnets, generation of magnetic can be said the king. Ndfeb magnet high saturation magnetization Bs ( b = 16公斤) HA and magnetocrystalline anisotropy field ( 哈= 73 koe) , ndfeb magnet products are widely used in packaging, toys, gifts crafts, fitness magnetron cars, motors, micro-motor, computer, instruments, meters, motorcycles, cameras, clocks and watches, audio, home appliances, office automation, magnets and various fields of daily life.
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