Abstract
Fe-based amorphous powder cores with glass binder were fabricated by hot-pressing techniques at 1–1.5 GPa and 683–733 K. The cores had superior magnetic properties compared with Sendust powder cores. The coercivity was half and flux density at 300 O e was 30% higher. The initial permeability up to 1 MHz was about 100 and the loss at 100 kHz for B m=0.1 T was 660 kW/m 3. The former was comparable to that of Sendust and the latter was 20% lower.
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