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FeSiBNi 비정질 리본의 열처리 조건에 따른 미세구조가 직류중첩특성에 미치는 영향
장용익(Y. I. Jang),김종렬(J. Kim),송용설(Y. S. Song) 한국자기학회 2000 韓國磁氣學會誌 Vol.10 No.1
Amorphous Fe_(79.7)Si_(9.2)B_(9.7)Ni_(1.4) ribbon alloys were fabricated by a single roll method. To enhance D. C. bias properties, the magnetic and micro-structural changes have been investigated as the variation of annealing time and condition. The D. C. bias properties were found to be directly related to micro-structural changes. Primary α-Fe dendrites with 200~300 ㎚ showed the best D. C. bias properties, which resulted from the magnetic domain wall pinning effect. Due to the differences of cooling rate, the growth shape and distribution of the dendrites is divided into two areas.