SR CEI 404-5-1996
磁性材料.第5部分:永久磁铁(磁硬)材料 测量锰属性的方法

Magnetic materials Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties


 

 

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标准号
SR CEI 404-5-1996
发布日期
1996年07月01日
实施日期
废止日期
发布单位
RO-ASRO
适用范围
1.1 Domeniu de aplicare Prezenta porte a CEI 404 are scopul de a stabili metodele de m?surare a induc?iei magnetice, a polariza?iei magnetice ?i a intensit??ii c?mpului magnetic precum ?i determinarea curbei de demagnetizare ?i a dreptei de revenire a materialelor magnetic dure pentru magne?i permanen?i a?a cum sunt specificate ?n CEI 404-8-1, propriet??i ce se presupun a fi omogene ?n ?ntreg volumul. Caracteristicile unui sistem magnetic sunt dependente nu numai de propriet??ile materialului magnetic permanent, ci ?i de dimensiunile sistemului, ale ?ntrefierului, precum ?i de propriet??ile altor elemente ale circuitului magnetic. Metodele descrise ?n acest standard se refer? la m?surarea propriet??ilor magnetice ?n circuit magnetic ?nchis, care simuleaz? un tor. 1.2 Referin?e normative Urm?toarele documente normative con?in prescrip?ii care, ?mpreun? cu referin?ele din acest text, constituie prescrip?ii ale acestei p?r?i a CEI 404. La data public?rii, edi?iile publicate erau valabile. ?ntruc?t standardele sunt revizuite periodic, se recomand? utilizatorilor prezentei p?r?i a CEI 404 s? ia ?n considera?ie edi?ia cea mai recent? a standardelor indicate mai jos. Membrii CEI ?i ISO de?in cataloage ale standardelor interna?ionale ?n vigoare. IEC 50(121): 1978, International Electrotechnical Vocabulary (IEV) - Chapter 121: Electromagnetism IEC 50(1511:1978, International Electrotechnical Vocabulary (IEV) - Chapter 151: Electrical and magnetic devices IEC 50(221): 1990, International Electrotechnical Vocabulary (IEV) - Chapter 221: Magnetic materials and components IEC 404-8-1:1986, Magnetic materials - Part 8: Specifications for individual materials - Section One: Standard specifications for magnetically nard materials.




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