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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Prajapati, K. Jenner, A.G. Greenough, R.D. |
| Copyright Year | 1965 |
| Abstract | The DC field and pressure dependencies of the magnetic induction (B) and magnetostrictive strain ( lambda ) have been measured at room temperature in Terfenol-D (Tb/sub 0.3/Dy/sub 0.7/Fe/sub 1.95/) and in the compound Tb/sub 0.3/Dy/sub 0.7/(Fe/sub 0.9/ Al/sub 0.1/)/sub 1.95/. From these data the static differential permeability ( mu ) and strain coefficient (d/sub 33/=d lambda /dH) have been obtained. A comparison of their magnetostrictive responses indicates that the magnetocrystalline anisotropy is reduced by the addition of Al to Terfenol-D. A slight lowering of d/sub 33/ with Al content is attributed to a reduction in magnetoelastic coupling, also seen in a lower magnetomechanical coupling coefficient. The work done by either compound against the applied pressure for different isostatic fields has been calculated. From these curves the residual stress levels, T/sub 0/, are substantially lower than those reported previously in Tb/sub 0.27/Dy/sub 0.73/Fe/sub 2/, indicating that in the present compounds T/sub 0/ is due mainly to inhomogeneities and defects, rather than anisotropy.< |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3514 |
| Ending Page | 3516 |
| Page Count | 3 |
| File Size | 279966 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 29 |
| Issue Number | 6 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1993-11-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetic anisotropy Perpendicular magnetic anisotropy Magnetostriction Iron Magnetic field induced strain Strain measurement Temperature measurement Anisotropic magnetoresistance Couplings Magnetic field measurement |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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