Dynamic magnetomechanical properties of [112]-oriented Terfenol-D/epoxy 13 magnetostrictive particulate composites
J. Appl. Phys. 93, 8510 (2003); doi:10.1063/1.1555979
Issue Date: 15 May 2003
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The dynamic magnetomechanical properties of a Terfenol-D/epoxy 13 magnetostrictive particulate composite fabricated using 49% volume fraction of needle-shaped, [112]-oriented Terfenol-D particles were investigated as a function of magnetic bias field (HBias). A nonoriented composite with 51% volume fraction of irregular-shaped, ball-milled Terfenol-D particles was also prepared and characterized for comparison. It was found that the composites exhibit a similar qualitative trend in dynamic strain coefficient (d33) and dynamic susceptibility (
33) with the oriented type possessing much higher values than the nonoriented type for all HBias. Data for the ratio d33/
33 indicated that these increments in d33 and
33 in the oriented composite are mainly attributed to [112] particulate crystallographic orientation. ©2003 American Institute of Physics.
33) with the oriented type possessing much higher values than the nonoriented type for all HBias. Data for the ratio d33/
33 indicated that these increments in d33 and
33 in the oriented composite are mainly attributed to [112] particulate crystallographic orientation. ©2003 American Institute of Physics.
| History: | Presented 15 November 2002 |
| Permalink: |
http://link.aip.org/link/?JAPIAU/93/8510/1 |
KEYWORDS and PACS
magnetostriction,
magnetic particles,
filled polymers,
magnetic susceptibility,
magnetic domain walls,
ferromagnetic materials
- 75.50.Dd
Nonmetallic ferromagnetic materials - 75.80.+q
Magnetomechanical and magnetoelectric effects, magnetostriction - 75.50.Tt
Fine-particle magnetic systems; nanocrystalline materials - 75.40.Gb
Dynamic properties of magnetic materials including dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc - 75.30.Cr
Saturation moments and magnetic susceptibilities in magnetically ordered materials - YEAR: 2003
RELATED DATABASES
PUBLICATION DATA
0021-8979 (print)
1089-7550 (online)
REFERENCES (12)
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