Introduction of amorphous iron core

2021-10-25

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 Bs	1.56T	Residual magnetic induction	≥0.8
Curie temperature	410℃	Coercivity, A/m	<4
Crystallization temperature	550℃	Loss (400Hz, 1.0T), W/kg	<15
Saturation magnetostriction coefficient	27x10-6	Loss (400Hz, 0.5T), W/kg	<1.5
Maximum permeability	>20×104	Loss change rate (-50~130℃)	<15%

product type	Transverse magnetic annealing	Magnetic-free annealing	Longitudinal magnetic field annealing
Maximum permeability	>2×104	>20×104	>25×104
Saturation magnetic induction	1.5 T	1.5 T	1.5 T
Residual magnetic induction	<0.5 T	1.0 T	1.2 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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