Texture in NdFeB magnets analysed on the basis of the determination of Nd 2Fe 14B single crystals easy growth axis
Abstract
We have shown by X-ray analysis and magnetic measurements, that the easy growth axis of Nd 2Fe 14B crystals corresponds to the " a" axis of the tetragonal structure while the easy magnetization axis is the " c" axis at temperatures above 135K. This correlation allows to understand some interesting features in NdFeB magnets: -anisotropic contraction during sintering in magnets obtained by classical powder metallurgy,
-orientation mechanism during hot pressing ("die upset") of magnets based on melt spun ribons.- Publication:
-
Solid State Communications
- Pub Date:
- July 1987
- DOI:
- 10.1016/0038-1098(87)90913-6
- Bibcode:
- 1987SSCom..63..303T