Standard Specification for Sintered Ferrite Permanent Magnets

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English

Published date

24-11-2016

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 03.07, 2017 Defines technically important, commercially available, magnetically hard sintered ceramic ferrite permanent magnets.

1.1This specification covers technically important, commercially available, magnetically hard sintered ferrite permanent magnets.

1.2Ferrite permanent magnets have residual induction B_r from 0.2 T (2000 G) up to about 0.5 T (5000 G) and intrinsic coercive field strength H_cJ from 160 kA/m (2000 Oe) up to about 400 kA/m (5000 Oe). Their specific magnetic hysteresis behavior (demagnetization curve) can be characterized using Test Method A977/A977M.

1.3The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to customary (cgs-emu and inch-pound) units which are provided for information only and are not considered standard.

1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Committee	A 06
DocumentType	Redline
Pages	5
PublisherName	American Society for Testing and Materials
Status	Current

IEC 60404-8-1:2015

Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard materials

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ASTM A 1054 : 2016 : REDLINE

Standard Specification for Sintered Ferrite Permanent Magnets

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