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Introduction of amorphous iron core

Introduction of amorphous iron core

2021-10-25

Amorphous core

amorphous core

Amorphous iron core is a machine part made of iron-based amorphous strip, with a crystallization temperature of 550 degrees.


Application field


Various transformer cores, such as aviation transformers, railway control system transformers, mechanical parts quenching equipment transformers, laser power transformers, etc.


Performance characteristics


It is made of iron-based amorphous strip material, which has high saturation magnetic induction and low loss, which can greatly reduce the weight of the equipment, reduce the volume, and improve the efficiency. Performance


The magnetic properties are as follows:


Saturation magnetic induction intensity Bs1.56TResidual magnetic induction≥0.8
Curie temperature410℃
Coercivity, A/m<4
Crystallization temperature550℃Loss (400Hz, 1.0T), W/kg<15
Saturation magnetostriction coefficient27x10-6Loss (400Hz, 0.5T), W/kg<1.5
Maximum permeability>20×104Loss change rate (-50~130℃)<15%

product type

Transverse magnetic annealingMagnetic-free annealingLongitudinal magnetic field annealing
Maximum permeability>2×104>20×104>25×104
Saturation magnetic induction1.5 T1.5 T1.5 T
Residual magnetic induction<0.5 T1.0 T1.2 T
Coercivity<4A/m<2.4 A/m<4A/m
Loss (50Hz, 1.4T)<0.2W/kg<0.13W/kg<0.3W/kg
Loss (400Hz, 1.2T)<1.8W/kg<1.25W/kg<2W/kg
Loss (8kHz, 1.0T)<80W/kg<60W/kg<100W/kg
Iron loss rate of change (-55 oC-125 oC)<15%<15%<15%


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