福建冶金2025，Vol.54Issue(2)：37-40,4.
高熔点元素Nb添加优化NdFeB磁体时效工艺研究
Optimizing the Heat treatment Process of NdFeB Magnets by High Melting Point Elements Addition
汤志辉 1付刚 2黄清芳 2李志刚 2黎国妃 2俞丽华 2胡欣洋 3江庆政3
作者信息
- 1. 江西理工大学,江西 赣州 341000||福建省金龙稀土股份有限公司,福建 龙岩 366300
- 2. 福建省金龙稀土股份有限公司,福建 龙岩 366300
- 3. 江西理工大学,江西 赣州 341000
- 折叠
摘要
Abstract
This paper investigates the effect of high melting point element Nb addition on the magnetic properties of sintered NdFeB magnets under different heat treatment processes.Research result has shown that when a certain amount of Nb is added,the coercivity HCJ of the magnet under individual heat treatment at 460℃ is higher than that after two-stage heat treatment and individual heat treatment at 900℃.When the amount of Nb is 0.97%,the HCJ of the magnet after individual heat treatment at 460℃ is 0.77 kOe higher than that of the magnet after two-stage aging treatment.It has been confirmed that doping a certain amount of high melting point elements in sintered NdFeB magnets can shorten the heat treatment process of the magnets after sintering,which shows potential practical application value for reducing the manufacturing time.关键词
NdFeB/磁性能/时效工艺/高熔点元素Key words
NdFeB/magnetic properties/heat treatment/high melting elements引用本文复制引用
汤志辉,付刚,黄清芳,李志刚,黎国妃,俞丽华,胡欣洋,江庆政..高熔点元素Nb添加优化NdFeB磁体时效工艺研究[J].福建冶金,2025,54(2):37-40,4.
