期刊
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING
卷 15, 期 4, 页码 897-902出版社
SPRINGERNATURE
DOI: 10.1016/j.acme.2015.02.009
关键词
Smart materials; Active materials; GMM; SMART; Experimental mechanics
资金
- Wroclaw Research Centre EIT+ within the project The Application of Nanotechnology in Advanced Materials - NanoMat - European Regional Development Fund (Innovative Economy Operational Programme) [POIG.01.01.02-02-002/08, 1.1.2]
The paper describes the magnetomechanical properties of magnetostrictive composites containing a 70% volume fraction of Terfenol-D powder. Except for a reference specimen, composites were subjected to polarization during curing of the resin. The results of tests showed that polarization, its direction and type have an effect on the properties of the produced composites. The highest values of magnetostriction from the manufactured composite samples were obtained for the perpendicularly polarized specimen. For a prestress of 7 MPa the strain amounted to 720 ppm. The results indicate that the magnetostriction of the composite increases owing not only to the proper crystallographic orientation of the material, which is usually [1 1 2], but also to the proper preparation of the specimen in this case through polarization. (C) 2015 Politechnika Wroclawska. Published by Elsevier Sp. z o.o. All rights reserved.
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