抄録
Magnetic properties and magnetization process of MnZn ferrite cores by low temperature sintering were investigated. The powder was prepared using the conventional ball milling. The specimens were sintered at 900°C for 5 houres in reductive atomosphere including CO2 and H2. The flow rate H2/CO2 was the best between 1 and 2%. The initial permeability was 2379 at 100kHz, 0.5V.
Magnetization process was observed by Bitter method. Wide width magnetic domains (180°domain) were easier magnetized than narrow one. On the other hand, 90°domains did not change the width with increasing magnetic field.
