|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
添加Dy和Dy_2O_3的烧结NdFeB系永磁体的显微结构与磁硬化
, PP. 69-74
Keywords: NdFeB磁体,矫顽力,显微结构
Abstract:
研究了(Nd_(1-x)Dy_x)_(16)Fe_(77.2)B_(6.8)和Nd_(16)Fe_(77.2)B_(6.8)+ywt-％Dy_2O_3磁体的磁性能、显微结构和磁硬化,在冶炼时添加Dy,Dy原子进入基体相,使其H_A提高,并细化晶粒和改善边界结构,提高磁体的矫顽力H_c,在制粉时添加Dy_2O_3,Dy原子进入基体相晶粒的外延展,使其K_1~2提高,同样细化晶粒和改善边界结构,并减少外延层厚度,提高磁体的矫顽力H_(ci),添加约2—3Wt—％的Dy_2O_3可制造出高H_(ci)高磁能积(BH)_m的NdFeB系烧结永磁材料。
| [1] | 1 Sagawa M, Fujimura S, Yamamoto H, Matsuura Y, Hiraga K. IEEE Trans Magn, 1984; MAG-20: 1584
|
| [2] | 2 Tokunaga M, Endoh M, Harada H, Trout S R. J Appl Phys, 1988; 63; 3510
|
| [3] | 3 Zhou S Z, Guo C, Hu Q. J Appl Phys, 1988; 63; 3327
|
| [4] | 4 Ghandenari M H. Appl Phys Lett, 1986; 48: 548
|
| [5] | 5 周寿增,唐伟忠,王润.金属学报,1990;26:B290
|
| [6] | 6 Zhou Shouzeng, Tang Weizhong, Wang Run. In: Xu Guangxian, Xiao Jimei, Yu Zongsen, Chen Minbo eds., Proc 2nd Int Conf on Rare Earth Development and Applications, Vol. Ⅱ, International Academic Publishers, 1991: 601
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
