NDLI: Thermal cycling effect on a shape memory and piezoelectric heterostructure

Content Provider	IEEE Xplore Digital Library
Author	da Rocha Souto, C. da Silva, R.A. de Castro, A.C. dos Santos, A.J.V. de Souza, R.C.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. Eng., Fed. Univ. of Paraiba, Joao Pessoa, Brazil (da Rocha Souto, C.; da Silva, R.A.; de Castro, A.C.) \|\| Dept. of Mech. Eng., Fed. Univ. of Paraiba, Joao Pessoa, Brazil (dos Santos, A.J.V.; de Souza, R.C.)
Abstract	Many researches have been developed from combination of various materials to obtain a new material that presents different properties. These combinations form hybrid structures or heterostructures with similar characteristics to the starting materials. In this work, it is presented an experimental study about a heterostructure composed by NiTi Shape Memory Alloy (SMA) and Lead Zirconate Titanate piezoelectric (PZT). The study shows the SMA thermal behavior based on the coupled PZT electrical behavior, when subjected to thermal cycles. Some authors classify PZT and SMA as smart materials because they express reactions when they are subjected to an external energy. Piezoelectric material produces an electric field on its surface when subjected to mechanical strain and it is deformed when subjected to an electric field. SMA materials react to changes in the shape or mechanical stiffness when subjected to heat. Thus, PZT can be classified as an electromechanical material and SMA as a thermomechanical material In this case, with the mechanical coupling between these two materials is possible to determine the thermal behavior of SMA by varying the electric field on the PZT. An experimental structure was designed to obtain the results. The outcome of SMA thermal behavior is shown as a function of varying the voltage on the PZT.
Starting Page	315
Ending Page	319
File Size	500054
Page Count	5
File Format	PDF
ISBN	9781467363860
DOI	10.1109/I2MTC.2014.6860759
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-12
Publisher Place	Uruguay
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Temperature sensors Heating Mechanical factors Piezoelectric materials Temperature measurement Electrical Response Heterostructures Piezoelectric Materials Shape Memory Alloys
Content Type	Text
Resource Type	Article

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