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특 성
개발시기 : 1940년대
온도에 대한 안정성이 높다.
높은 자속 밀도에 비해 보자력이 약하다.
가공성이 용이하지 못하다.
높은 경도를 지니고 있다.
최대 에너지적 (BH)max : 4∼10 MGOe
용 도
스피커, 계기류, 마이크, 리드스위치, 앰프 등에 사용한다.
일반적 성능
구 분
단 위
내 용
Curie Temperature (퀴리온도)
C
860
Maximum Operating Temperature
(최대 사용 온도)
°C
525∼550
Resistivity (저항)
μΩ.㎝
47∼54
Hardness (경도)
Hv
520∼630
Density (밀도)
g/㎤
6.9∼7.3
Temperature Coefficient of Br
잔류자속밀도의 온도 특성
%/°C
-0.025∼-0.02
Temperature Coefficient of iHc
보자력의 온도 특성
%/°C
0.01∼0.03
특성에 따른 자기이력곡선
주조형 알리코 특성표
소결형 알리코 특성표
