CWS Bytemark's Amorphous Cores

Amorphous Cores

Applications: Distribution and power transformers Motors High frequency inductors Current transformers Devices requiring high permeability and low loss at low frequencies Benefits: Extremely low core loss – less than 0.29 w/kg at 60 Hz, 1.35 Tesla, or 40% of the core loss of grade M3 electrical steel (core loss at 50 Hz is approximately 80% of 60 Hz values). This is for finished cores. High permeability

Physical Properties Density (g/cm3) As Cast . . . . . . . . . . . . .7.18 Vicker’s Hardness (50g load) . .. . . . . . . . .900 Tensil Strength (GPa) . . . . . . . . . . . . . . . .1-2 Elastic Modulus (GPa) . . . . . . .. . . . . 100-110 Lamination Factor (%) . . . . . . . . . . . . . . .>82 Thermal Expansion (ppm/°C) . . . .. . . . . . .7.6 Crystallization Temperature (°C) . . . . . . . .508 Continuous Service Temp. (°C) . . . . . . . . .150	Magnetic Properties Saturation Induction (T) As Cast . . . . . . . 1.56 Maximum D.C. Permeability (µ): Annealed . . . . . . . . . . . . . . . . . . . . . .600,000 As Cast . . . . . . . . . . . . . . . . . . . . . . . 45,000 Saturation Magnetostriction (ppm) . . . . . . . 27 Electrical Resistivity (µO.cm) . . . . . . . . . .130 Curie Temperature (°C) . . . . . . . . . . . . . .399
Typical Core Loss Curves, Longitudinal Field Anneal

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