GB/T 47344-2026 Pending National standards

GB/T 47344-2026 Durability test method of permanent magnets under multi-field coupling—Elevated temperature and reversal magnetic field

GB/T 47344-2026 Durability test method of permanent magnets under multi-field coupling—Elevated temperature and reversal magnetic field

Publish Date: 2026-03-31 Implement Date: 2026-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 47344-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Electrical alloy parts

ICS Name: Magnetic materials

Publish Date: 2026-03-31

Implement Date: 2026-10-01

Pages: 20 pages

Scope

This document describes the measurement method for the durability of permanent magnets under high-temperature and reverse magnetic field multi-field coupling, and specifies the corresponding samples, measurement devices, data processing, uncertainties, and test reports.
This document is applicable to the durability testing of permanent magnets such as rare earth iron boron, rare earth cobalt, rare earth iron nitride, aluminum nickel cobalt, and permanent magnet ferrites under high-temperature reverse magnetic fields.

Development Information

Word Count: 25 Thousand words Pages: 20 pages

Referenced Standards

GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 2900.60-2002 Electrotechnical terminology—Electromagnetism GB/T 3217-1992 Methods of test of the magnetic properties of permanent magnetic (magnetically hard) materials GB/T 3217-2013 Permanent magnet(magnetically hard)materials—Methods of measurement of magnetic properties GB/T 9637-2001 Electrotechnical terminology— Magnetic materials and components GB/T 24270-2009 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials GB/T 38437-2019 Methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method

Related Standards

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Publish Date: 2007-12-03

GB/T 24270-2009 Active

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Publish Date: 2009-06-19

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