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

百检网 2021-08-03
标准号:SR CEI 404-5-1996
中文标准名称:磁性材料.第5部分:永久磁铁(磁硬)材料 测量锰属性的方法
英文标准名称:Magnetic materials Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties
发布日期:1996/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 Domeniu de aplicarePrezenta 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 normativeUrm?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: ElectromagnetismIEC 50(1511:1978, International Electrotechnical Vocabulary (IEV) - Chapter 151: Electrical and magnetic devicesIEC 50(221): 1990, International Electrotechnical Vocabulary (IEV) - Chapter 221: Magnetic materials and componentsIEC 404-8-1:1986, Magnetic materials - Part 8: Specifications for individual materials - Section One: Standard specifications for magnetically nard materials.

百检能给您带来哪些改变?

1、检测行业全覆盖,满足不同的检测;

2、实验室全覆盖,就近分配本地化检测;

3、工程师一对一服务,让检测更精准;

4、免费初检,初检不收取检测费用;

5、自助下单 快递免费上门取样;

6、周期短,费用低,服务周到;

7、拥有CMA、CNAS、CAL等权威资质;

8、检测报告权威有效、中国通用;

客户案例展示

  • 上海朗波王服饰有限公司
  • 浙江圣达生物药业股份有限公司
  • 天津市长庆电子科技有限公司
  • 上海纽特丝纺织品有限公司
  • 无锡露米娅纺织有限公司
  • 东方电气风电(凉山)有限公司