Uniform High Magnetostrictive Properties of Terfenol-D Composites Prepared by a Dry Process

Xu Feng Dong; Min Qi; Jin Ping Ou; Xin Chun Guan

doi:10.4028/www.scientific.net/MSF.675-677.1179

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HomeMaterials Science ForumMaterials Science Forum Vols. 675-677Uniform High Magnetostrictive Properties of...

Uniform High Magnetostrictive Properties of Terfenol-D Composites Prepared by a Dry Process

Abstract:

Magnetostrictive composites were usually fabricated using a wet process. The settlement of particles in liquid polymers due to the gravity results in the inhomogeneous and low magnetostrictive properties. To solve the problem, magnetostrictive composites were prepared using a dry process, and their properties were tested in this paper. Measurement of magnetostriction on different positions along the length direction of the material indicates the magnetostrictive composites prepared by the dry process present uniform properties due to the uniform distribution of the active particles in the polymer matrix. The saturation magnetostriction and the maximum dynamic magnetostriction of the [1-3] Terfenol-D composites prepared in the study was 1005ppm and 4.08nm/A, respectively, which was larger than the [0-3] ones.

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Periodical:

Materials Science Forum (Volumes 675-677)

Pages:

1179-1182

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.675-677.1179

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Online since:

February 2011

Authors:

Xu Feng Dong, Min Qi, Jin Ping Ou, Xin Chun Guan

Keywords:

Dry Process, Magnetostriction, Magnetostrictive Composites, Terfenol-D, Uniform

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