Abstract
The static and dynamic magnetomechanical properties, in the temperature range -60°C to +100°C, of quaternary compositions of the type TbxDyyHozFe2 (x+y+z=1) which have K1 close to zero at +20°C are presented. The maximum room temperature values of d33 (7.9 nm A-1) and k33(0.62) are achieved for Tb0.20 Dy0.22Ho0.58Fe2, the composition for which K2 is also close to zero at +20°C. Calculations performed with an anisotropy model including an eighth-order term show a 20 fold decrease in the anisotropy of Tb0.20Dy0.22Ho0.58Fe2 in comparison with Terfenol-D. This decrease is not as effective in improving material performance as the opposing influence of the reduction in saturation magnetostriction
| Original language | English |
|---|---|
| Pages (from-to) | 4044-4046 |
| Number of pages | 3 |
| Journal | IEEE transactions on magnetics |
| Volume | 31 |
| Issue number | 6 |
| Publication status | Published - 1 Jan 1995 |