Iron Based Amorphous Alloy Ribbon

Iron Based Amorphous Alloy Ribbon

Performance & Characteristics

Amorphous alloys have the highest saturation magnetic induction intensity - reducing device volume

Low coercivity - improving device efficiency

Low iron losses - reducing device temperature rise

Adjustable permeability - achievable through different magnetic core heat treatment processes to meet various application requirements

Excellent stability - capable of long-term operation at 130% of rated capacity



Application areas:

Medium frequency power transformer magnetic core
Ring shaped uncut magnetic core for smooth filtering output inductance and differential mode input inductance in switching power supplies
Ring shaped uncut magnetic core for noise suppression in car audio systems and choke coils in car navigation systems
Circular notch magnetic core for PFC power factor correction in air conditioning and plasma TVs
High frequency rectangular cut magnetic cores for output inductors and transformers in switch mode power supplies, uninterruptible power supplies, etc
Used for IGBTs Circular notch free magnetic cores for MOSFETs and GTOs pulse transformers
Stator and rotor for high power density variable speed motors and generators


Saturated magnetic Induction Intensity 

Bs

1.56T

Hardness Hv

960kg/mm2

Curie Temperature

410℃

Density d

7.18g/cm3

Crystallization Temperature

535℃

Resistivity

130μΩ-cm




Production Steps

Insulation Systems

  • Cobalt-iron alloys: based on magnesium oxide (MgO)
  • Nickel-iron alloys: based on zirconium oxide (ZrO) = HITCOAT,  developed and patented by VAC

Gluing Technologies developed by VAC

  • Standard adhesive K-01 for maximum package density
  • High temperature adhesive HT-01 for applications up to 200 °C

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