Coupling Infrared Thermography and Acoustic Emission Measurement to Quantify the Shakedown State of Shape Memory Alloys

Abstract:

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This paper provides an original experimental characterization of the shakedown state of a shape memory alloy structure under cyclic pseudo-elastic loading. This analysis is performed through the observation of the dissipated energy at a macroscopic scale as well as the temperature on the surface of the sample through infrared thermography measurement. Morevover, a deeper study is led thanks to acoustic emission to quantify the shifts between microscopic evolutions at a lower scale. The main conclusion is that these 3 quantities are correlated and enable us to identify different stages the structure crosses until the shakedown state.

Info:

Periodical:

Key Engineering Materials (Volumes 488-489)

Edited by:

Z. Tonković and M.H. Aliabadi

Pages:

146-149

DOI:

10.4028/www.scientific.net/KEM.488-489.146

Citation:

C. Dunand-Châtellet and Z. Moumni, "Coupling Infrared Thermography and Acoustic Emission Measurement to Quantify the Shakedown State of Shape Memory Alloys", Key Engineering Materials, Vols. 488-489, pp. 146-149, 2012

Online since:

September 2011

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$35.00

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