Standard No.:	GB/T 3658-1990
English Name:	Soft magnetic alloys--Measuring method for alternative magnetic properties
Chinese Name:	软磁合金交流磁性能测量方法
Chinese Classification:	H21    Metal physical property test method
Professional Classification:	GB    National Standard
Issued by:	China State Bureau of Technical Supervision
Issued on:	1990-07-21
Implemented on:	1991-7-1
Status:	superseded
Superseded by:	GB/T 3658-2008 Methods of measurement of a.c. magnetic properties of magnetically soft materials
Superseded on:	2009-5-1
Abolished on:	2009-05-01
Superseding:	GB 3658-1983
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	200.00
Delivery:	via email in 1~3 business day

本标准规定了用麦克斯韦电桥在起始磁化区测量弹性磁导率和用修正海氏电桥在中、高磁感应强度范围内测量比铁损的定义、测量装置、测量步骤及计算方法。本标准适用于由软磁合金(铁-镍、铁-铝等)带材制备的环形试样，在环境温度10~35℃、频率60~10000Hz、试样的次级感应电压波形畸变不超过3%的条件下进行测量。