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Development of experimental and modelling tools for thecharacterisation of the thermo-electro-mechanical behaviour of composite materials foraircraft applications

Published online by Cambridge University Press:  12 April 2011

Marco Gigliotti ,
Marie-Christine Lafarie-Frenot  and
Jean-Claude Grandidier
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Abstract

The present paper is concerned with the thermoelectric behaviour of CFRP compositesamples subjected to DC currents in view of developing experimental and modelling toolsfor the characterisation of the thermo-electro-mechanical behaviour of composite materialsfor aircraft applications. DC currents up to 8 A are injected through the specimens endsides by employing several different electrode techniques whose performances are assessedand compared. Sample and electrode contact resistances are measured for different valuesof the injected current. The transient and permanent temperatures fields promoted by theinjected currents are experimentally measured by infrared thermography. The temperaturefields are simulated numerically by a thermoelectric coupled model employing theABAQUS®FE commercial code; temperatures can be also approximately calculated by a simple lumpedparameter model discarding thermal conduction. The comparison between simulations by themodels and measurements allows employing the simplified model as a tool to designthermo-electro-mechanical tests.

Keywords

Polymer-matrix composites (PMC)thermoelectric couplingelectrical resistancecontact resistanceinfrared thermographythermoelectric numerical coupled modelMatériaux composites à matrice polymèrecouplage thermoélectriquerésistance électriquerésistance de contactthermographie infrarougemodèle numérique thermoélectrique couplé
Type
Research Article
Information
Mechanics & Industry , Volume 12 , Issue 2 , 2011 , pp. 87 - 101
Copyright
© AFM, EDP Sciences 2011

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