Isothermal Sections of 1∶ 2, 1∶3 and 2∶ 17-type Compounds at 773 K in the Sm-Nd-Fe-Co Quaternary System
The isothermal sections of 1:2, 1:3 and 2:17-type compounds at 773 K in the Sm-Nd-Fe-Co quaternary system were determined by using optical microscopy, X-ray diffraction analysis, electron probe microanalysis. The NdCo2-SmCo2-SmFe2-NdFe2 section consists of 1 single-phase region: (Sm,Nd)(Fe,Co)2; 2 two-phase regions: (Sm,Nd)(Fe,Co)2+ (Sm,Nd)(Fe,Co)3, α(Nd,Sm)+(Sm,Nd)5(Fe,Co)17; 1 three-phase region: (Sm,Nd)(Fe,Co)2+ α(Nd,Sm)+(Sm,Nd)5(Fe,Co)17. The NdCo3-SmCo3-SmFe3-NdFe3 section consists of 1 single-phase region: (Sm,Nd)(Fe,Co)3; 2 two-phase regions: (Sm,Nd)(Fe,Co)3+ (Sm,Nd)2(Fe,Co)17, α(Nd,Sm)+(Sm,Nd)5(Fe,Co)17; 1 three-phase region: (Sm,Nd)2(Fe,Co)17+α(Nd,Sm)+(Sm,Nd)5(Fe,Co)17. There is a single-phase region: (Sm,Nd)2(Fe,Co)17 in the Nd2Co17-Sm2Co17-Sm2Fe17-Nd2Fe17 section. It has been found that the range of the single-phase region increases from the 1:2-type compound section to the 2:17-type compound section and the stability of the compounds does in the same way.
Sm-Nd-Fe-Co system room temperature section intermetallic compounds
B. W. Wang S.Y. Li Y. Zhou W. M. Huang S.Y. Cao
Research center of Magnetic Technique and Magnetic Materials, Hebei University of Technology, Tianji Research center of Magnetic Technique and Magnetic Materials, Hebei University of Technology, Tianji
国际会议
厦门
英文
315-319
2006-11-08（万方平台首次上网日期，不代表论文的发表时间）