摘要
研究了干磨和湿磨，烧结和后烧工艺对磁体性能及氧含量的影响．磁体的氧含量主要来源于制粉阶段．干磨工艺磁体氧含量比湿磨磁体氧含量少一半多．合理的烧结与后烧工艺对磁体氧含量影响不大．合金锭中α－Ｆｅ的减少可改善磁体性能．Ｎｄ１４．５Ｆｅ７９Ｂ６．５磁体性能为ｉＨｃ＝６９６ｋＡ／ｍ，Ｂｒ＝１．３９Ｔ，（ＢＨ）ｍａｘ＝３６８ｋＪ／ｍ３．
The effects of such processes as dry milling,wet milling,sintering and post-sintering on the properties and oxygen content of magnets were studied. The oxygen content of magnets mainly results from powder-making process,and wet milling provides the oxygen content of magnets over two times higher than dry milling. Reasonable sintering and post-sintering processes affect the oxygen of the magnets slightly,but the decrease in α-Fe in alloy ingot can improve the properties of magnets. The properties of Nd14.5Fe79B6.5magnets are: iHc=696 kA/m,Br= 1. 39 T, (BH)max= 368 kJ/m3.
出处
《东北大学学报（自然科学版）》
EI
CAS
CSCD
1995年第3期324-327,共4页
Journal of Northeastern University(Natural Science)
关键词
干磨制粉
钕铁硼合金
永磁合金
烧结
Nd-Fe-B,high performance,dry-milled powder,alloy ingot annealing.
