Sintered Ndfeb Magnet
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China Sintered Ndfeb Magnet Suppliers
NdFeB Magnet is prepared by powder metallurgy. Its main metallographic phase is Nd2Fe14B. Currently, this magnetic material has the highest magnetic performance. Its strengths include strong anti-demagnetization, and high cost-effectiveness, while its drawbacks include temperature dependence and weak anti-corrosion. However, with proper treatment of coating or plating, and by selecting product of different coercive force under different circumstances, NdFeB magnet could basically meet the requirement of different customers.
Sintered NdFeB Magnets are the most powerful magnets known. Maximum allowed temperature varies, but is up to 240°C for some grades. This maximum temperature is important, because usually the price of the magnet increase with temperature.
The magnets consists of powder compacted in a magnetic field therefore they have process-fixed and limited magnetizing directions. Usually the magnetic field-lines have to be parallel in the material.
Advantages:
Highest magnet strength available
High resistance to demagnetization
Operating temperature up to 240oC
Good at withstanding low temperatures (down to – 100oC)
Corrosion protection is however always recommended for sintered neodymium magnets, because of the materials low corrosion resistance. The corrosion resistance of Sintered Ndfeb Magnets can be compared to pure untreated iron.
A range of different coatings are available but sometimes complete encapsulation in i.e. stainless steel is preferable.
Sintered NdFeB Magnets are the most powerful magnets known. Maximum allowed temperature varies, but is up to 240°C for some grades. This maximum temperature is important, because usually the price of the magnet increase with temperature.
The magnets consists of powder compacted in a magnetic field therefore they have process-fixed and limited magnetizing directions. Usually the magnetic field-lines have to be parallel in the material.
Advantages:
Highest magnet strength available
High resistance to demagnetization
Operating temperature up to 240oC
Good at withstanding low temperatures (down to – 100oC)
Corrosion protection is however always recommended for sintered neodymium magnets, because of the materials low corrosion resistance. The corrosion resistance of Sintered Ndfeb Magnets can be compared to pure untreated iron.
A range of different coatings are available but sometimes complete encapsulation in i.e. stainless steel is preferable.