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|
|Curie Temperature (ºC)||320|
|Max. Operating Temperature (ºC)||220|
|Flexural Strength (N/nm2)||250|
|Compressive Strength (N/nm2)||1100|
|Tensile Strength (N/nm2)||75|
|Temperature Coefficient of Br (%/ºC)||-0.09~-0.12|
|Temperature Coefficient of Hcj (%/ºC)||-0.50~-0.65|
Sensors and switches
DC and servo motors
Computer rigid disc drives
Competitive Advantages The most powerful commercially produced magnetsHigher Maximum Energy Product ranging from 30MGOe to 52 MGOeVery high strength and relatively low costEasier to machine compared to Alnico and SmCo Magnets