Reaction of Terfenol-D melts with SiO2 crucibles

The interaction between Terfenol-D (Tb(x)Dy(1-x)Fey (0.27 <= x <= 0.30, y <= 2)) melts and quartz crucibles has been studied. A rare earth silicide was formed next to a rare earth oxide on SiO2 substrate and a surface layer of rare earth oxide appeared on top of the silicide layer. The reaction was controlled by diffusion with an activation energy E-a = 1.59 eV. The effect of Si contamination on the magneto-elastic property was evaluated. Maximum mangnetostriction of Terfenol-D decreased by 300 ppm while Si addition increased up to 1.0 at.%. (c) 2005 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2006-04
Language
ENG
Keywords

FILMS; MAGNETOSTRICTION

Citation

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, v.129, no.1-3, pp.18 - 21

ISSN
0921-5107
DOI
10.1016/j.mseb.2005.12.009
URI
http://hdl.handle.net/10203/1783
Appears in Collection
MS-Journal Papers(저널논문)
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