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NdFeB magnet is mainly made from neodymium, iron and boron. It is used as an ideal magnet in instruments and motors and etc. With high intrinsic coercive force and high working temperature
NdFeB magnet is used as an ideal magnet in instruments and motors, mini-motor, magnetic transmission machine, medical apparatus, aviation, electronics and etc.
For NdFeB, if left it exposed, the iron in the magnet will rust. To protect the magnet from corrosion, it is usually preferable for the magnet to be coated. There are a variety of options for coating, but nickel is the most common and usually preferred. Some other options for coating are zinc and epoxy.
SmCo magnet has high property with low temperature coefficient. It operation temperature reaches 350 oC. And it’s no need to be plated because of its high anti-erosion and anti-oxidization.
SmCo magnet is widely used in motors, instrument, transducers, positional detector, generators, radar and other hi-tech industry.
The elements of Ferrite magnet are ferric oxide barium strontium. Ferrite has higher coercive force and higher resistance to demagnetized and oxidized than other non-rare earth permanent magnet.
The biggest advantage of such magnet is their low cost. It is widely used from motors and loudspeakers to toys and craft etc….
AlNiCo magnet is an alloy of aluminum-nickel-cobalt, which has excellent temperature stability and corrosion resistance. It can be used in motor, sensor, separator, loudspeaker and holding system etc…..
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