Paper Titles
Committees
Preface
Nano and Micro Mechanical Measurement of Interaction Forces Between Solid Surfaces
p.1
Experimental Study on Electro-Magneto-Mechanical Behaviour of Electromagnetic Solids
p.5
Image Processing for Optical Methods to Analyze Shape, Deformation, Stress and Strain
p.13
Development of Phase Shifting Device Using the Deflection of a Cantilever for Digital Holography
p.19
Vibration Analysis of Membrane by Time Average In-Line Digital Holographic Interferometry
p.23
Effect of Phase-Shifting Error on Deformation Evaluation Using Phase-Shifting Digital Holography
p.27
Real-Time Shape Measurement by Unwrapping Method Using Aliasing
p.31

Experimental Study on Electro-Magneto-Mechanical Behaviour of Electromagnetic Solids

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Abstract:

New experiment systems that can offer electromechanical and electromagnetic coupling loads were established. Measurement skills and technologies under coupling loads have been developed. The experimental difficulties and technical problems, such as insulation, discharge, compressive testing of brittle ferroelectrics and so on, were well resolved. The constitutive experiments of piezo/ferroelectrics or ferromagnetic materials were carried out. Moiré Interferometry was applied to the measurement of transformation of the crack tip in ferroelectric ceramics under coupling loads. The deformation concentration near the internal electrode tip caused by non-uniform electric field was investigated by means of Digital Speckle Correlation Method (DSCM). With an aim to accomplish both measurements of constitutive response of the magnetostrictive materials and the fracture experiments of general soft ferromagnetic materials, a magnetomechanical-coupling testing setup was established, which is controlled by an industrial PC. The software was programmed to monitor the testing process and to deal with the acquired data. The characteristic curves of ferromagnetic materials, such as TbxDy1-xFe2 alloys, were measured, including the hysteresis loops, the magnetostriction curve and stress-strain curve.

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Periodical:

Key Engineering Materials (Volumes 326-328)

Pages:

5-12

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.326-328.5

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Online since:

December 2006

Authors:

Dai Ning Fang, Xu Jun Zhao, Yong Mao Pei, Zhan Wei Liu, Fa Xin Li, Xue Feng

Keywords:

Electromechanical Coupling, Ferroelectric Materials, Magnetomechanical Coupling, Measurement

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1109/tmag.2003.816166

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