GB/T 47009-2026 Active National standards

GB/T 47009-2026 Test method for durability of rare earth permanent magnetic materials under high temperature and reversed magnetic field

GB/T 47009-2026 Test method for durability of rare earth permanent magnetic materials under high temperature and reversed magnetic field

Publish Date: 2026-01-28 Implement Date: 2026-08-01 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 47009-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for rare metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2026-01-28

Implement Date: 2026-08-01

Pages: 12 pages

Scope

This document describes the test method for the high-temperature reverse magnetic field durability of rare earth permanent magnet materials.
This document is applicable to the durability testing of rare earth permanent magnet materials such as rare earth iron boron and rare earth cobalt under high-temperature reverse magnetic fields.

Development Information

Word Count: 17 Thousand words Pages: 12 pages

Referenced Standards

GB/T 3217-2019 GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values 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 GB/T 43264-2023 Measuring methods of the surface magnetic field distribution for permanent magnets JJF 1829-2020 Calibration Specification for Magnetic Measuring Instruments for Permanent Magnet Materials

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