Thermoelastic strain in polycrystalline Fe-Pd shape memory alloy thin film

Authors
Han, Jun HyunYoon, JuilJee, Kwang KooVlassak, Joost J.
Issue Date
2013-11-01
Publisher
ELSEVIER SCIENCE SA
Citation
THIN SOLID FILMS, v.546, pp.196 - 199
Abstract
Thermoelastic strain in a polycrystalline Fe-Pd thin film due to shape memory effect was determined from Hooke's law using the measured residual stress and the elastic modulus obtained by the wrinkling method, and the variation in the thermoelastic strain was discussed in terms of thermally induced phase transformation. The measurement of thermoelastic strain from Hooke's law and the wrinkling method was in good quantitative agreement with previously reported data obtained from a digital camera. The variation of thermoelastic strain of the Fe-28.1 at.% Pd thin film was associated with the martensitic transformation between the high-temperature face-centered cubic austenite and the low-temperature face-centered tetragonal martensite during a thermal cycle. (C) 2013 Elsevier B.V. All rights reserved.
Keywords
BUCKLING-BASED METROLOGY; FIELD-INDUCED STRAINS; SINGLE-CRYSTALS; BEHAVIOR; BUCKLING-BASED METROLOGY; FIELD-INDUCED STRAINS; SINGLE-CRYSTALS; BEHAVIOR; Fe-Pd; Thermoelastic strain; Ferromagnetic shape memory alloy; Elastic modulus; Wrinkling
ISSN
0040-6090
URI
https://pubs.kist.re.kr/handle/201004/127459
DOI
10.1016/j.tsf.2013.05.037
Appears in Collections:
KIST Article > 2013
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