Thermoelastic stress analysis of inhomogenous composite materials

Frühmann, R.K., Dulieu-Barton, J.M. and Quinn, S. (2007) Thermoelastic stress analysis of inhomogenous composite materials. In, 13th International Conference on Experimental Mechanics (ICEM07), Alexandroupolis, Greece, 01 - 06 Jul 2007. USA, Springer8pp.


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In this work the effect of heterogeneity in woven composite materials is considered in the context of thermoelastic stress analysis (TSA). The approach is to consider the surface of a woven laminate as a ‘patchwork’ of orthogonally orientated unidirectional fibres. Assuming a state of uniform strain, the global strains are applied locally to predict the thermoelastic response of the woven material. A Cedip Silver IR system is used for the TSA measurements with a standard 27mm lens and a high resolution G1 magnifying lens. Experimental data shows that the strain field is non-uniform and closely related to the weave pattern of the fibre reinforcement. Out of plane deformations are identified as a possible explanation for the deviation between experimental data and theory.

Item Type: Conference or Workshop Item (Paper)
Related URLs:
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions
ePrint ID: 48730
Date Deposited: 10 Oct 2007
Last Modified: 28 Mar 2014 15:12
Application of Thermoelastic Stress Analysis as a design tool for the assessment of complex composite components
Funded by: EPSRC (EP/D037271/1)
Led by: Simon Quinn
2 May 2006 to 1 May 2009

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