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Rectangular Bar Sintered Ndfeb Magnet , Block Magnet for Disc Drives
Quick Detail:
1.Density – 7.4-7.6 g/ cm3
2.Manufacturing process –sintering (most common), injection molding, and compression bonding.
3.Various shapes - blocks, bars, discs, rings, arc, segments, sectors, fan shape, cylinders, etc.
4.Prone to oxidation, plating is recommended ( Ni-CU-Ni, Zn,Au,Epoxy, etc)
Physical Properties of NdFeB Magnet | |
Density(g/cm3) | 7.3-7.5 |
Curie Temperature () | 320 |
Max. Operating Temperature () | 220 |
Relative Permeability | 1.05 |
Flexural Strength (N/nm2) | 250 |
Compressive Strength (N/nm2) | 1100 |
Tensile Strength (N/nm2) | 75 |
Hardness (Hv) | 550-650 |
Temperature Coefficient of Br (%/) | -0.09~-0.12 |
Temperature Coefficient of Hcj (%/) | -0.50~-0.65 |
Applications:
Sensors and switches <
