ASTM A1054 - 16 - Standard Specification for Sintered Ferrite Permanent Magnets

ASTM A1054 - 16

Standard Specification for Sintered Ferrite Permanent Magnets

Status : Current   Published : November 2016



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

1.2 Ferrite 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.

1.3 The 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.

1.4  This 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.

Standard NumberASTM A1054 - 16
TitleStandard Specification for Sintered Ferrite Permanent Magnets
Publication Date01 November 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Ceramic magnet, Coercive field strength, Ferrite, Ferrite magnet, Hard ferrite, Magnetic induction, Magnetic properties, Permanent magnet, Sintered ceramic ferrite, Sintered ferrite magnet
File Size81 KB

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