This standard specifies the classification, grade, technical requirements, test methods and inspection rules of grain boundary diffusion NdFeB permanent magnet materials, and covers Encasement, marking, transportation, storage and accompanying documentation requirements. It is suitable for sintered NdFeB permanent magnet materials that have been treated with grain boundary diffusion. The standard provides magnetic testing, density measurement, thermal expansion characteristics, electronic performance and hardness testing methods to ensure its performance Stability and Reliability in applications.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | H65 | ICS | 77.150.99 |
| Release Date | 2022-12-30 00:00:00 | Implementation Date | 2023-07-01 00:00:00 |