GB/T 41967-2022
Anisotropic neodymium iron boron permanent magnetic powder
- Standard No.
- GB/T 41967-2022
- Language
- Chinese
- Release Date
- 2022
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Lastest
- GB/T 41967-2022
- Scope
- This document specifies the classification and grade, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage and accompanying documents of anisotropic NdFeB permanent magnet powder. This document is applicable to anisotropic NdFeB permanent magnet powder produced by hydrogen absorption-disproportionation-dehydrogenation-recombination (HDDR) process or hot-pressing heat deformation magnet crushing process.
GB/T 41967-2022 Referenced Document
- GB 39176 Rare earth products packing, marking, transport and storage
- GB/T 1479 Metallic powders--Determination of apparent density--Part 1:Funnel method
- GB/T 1480 Metallic powders.Determination of particle size by dry sieving
- GB/T 15676 rare earth term
- GB/T 24270 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
- GB/T 3217 Permanent magnet(magnetically hard)materials.Methods of measurement of magnetic properties
- GB/T 3850 Impermeable sintered metal materials and hardmetals.Determination of density
- GB/T 40794 Measurement method of irreversible magnetic flux loss due to high temperature of rare earth permanent magnet
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 9637 Electrotechnical terminology Magnetic materials and components
GB/T 41967-2022 history
- 2022 GB/T 41967-2022 Anisotropic neodymium iron boron permanent magnetic powder