Detailed Sintered and Bonded Magnets Description
Features:
a) Superior magnetic properties than other kind of magnets
b) Higher unit magnetic properties than other magnet
c) Smaller size and lighter weight in designing devices
d) Being mostly an iron based alloy, and to eliminate
such a problem, NdFeB type rare earth magnet is
much more prone to surface oxidation or rust, the user should consider magnet coating, plating,
or suitable surface treatment
e) Being less prone to chipping during handing
f) Lower temperature coefficient of magnetic properties than ceramic
but higher than SmCo type rare earth magnet
g) Suffers irreversible loss at high temperature
h) Products include: N30, N35, N33, N38, N42, N40, N30M,
N35M, N33M, N38M, N27H, N40M, N30H, N35H, N33H, N37H,
N30SH, N27SH, N33SH, N25UH, N35SH, N28UH, N35SH, N30UH, N38,
N45
i) The most powerful rare earth magnet available today, possesses
high energy ranging from 8MGOe to 48MGOe and wonderful coercive
force
j) Less expensive, and are mechanically stronger and less brittle than
SmCo
k) Density: 13%, smaller than SmCo products
l) For most applications, coating or plating the magnets is
recommended
m) Advantages of using NdFeB:
1) High energy for size
2) Very high Hc and Hci output
3) More economical than SmCo
4) Wonderful performance in ambient temperature situations
n) Disadvantages:
1) Working temperature is below 2,000oC
2) Prone to oxidation than any other magnet alloys
o) Widely used in apparatus and instruments where a strong magnetic
field is needed, sensors, such as motors, microphones, electro-
acoustics, magnetic seperation, magnetic suckers and magnetic
therapy
We have been a leading manufacturer and exporter of Sintered and Bonded Magnets
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