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Estimation of fracture parameters in foam core materials using thermal techniques

Dulieu-Barton, J.M., Berggreen, C. and Boyenval Langlois, C., (2010) Estimation of fracture parameters in foam core materials using thermal techniques Ravichandran, G. (ed.) In Proceedings of the 9th International Conference on Sandwich Structures (ICSS-9). California Institute of Technology. 10 pp.

Record type: Conference or Workshop Item (Paper)


The paper presents some initial work on establishing the stress state at a crack tip in PVC foam material using a non-contact infra-red technique known as thermoelastic stress analysis (TSA). A parametric study of the factors that may affect the thermoelastic response of the foam material is described. A mode I simulated crack in the form of a machined notch is used to establish the feasibility of the TSA approach to derive stress intensity factors for the foam material. The overall goal is to demonstrate that thermal techniques have the ability to provide deeper insight into the behaviour of the cracks in foam and the potential to determine stress intensity factors

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Published date: June 2010
Venue - Dates: 9th International Conference on Sandwich Structures (ICSS-9), United States, 2010-06-14 - 2010-06-16
Keywords: honeycomb sandwich panel, core crush, TSA
Organisations: Fluid Structure Interactions Group


Local EPrints ID: 175037
PURE UUID: 87577f03-90f6-4834-9754-f257bcaff3f6

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Date deposited: 21 Feb 2011 11:10
Last modified: 18 Jul 2017 12:10

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Author: C. Berggreen
Author: C. Boyenval Langlois
Editor: G. Ravichandran

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