Non-Destructive Evaluation of Damage Mechanisms in Composite Sandwich Structure

Abstract:

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This paper presents the experimental results obtained of flexurally loaded wind turbine blade cross section material. All material was extracted from a wind turbine blade box girder and testing was conducted in four point configuration. The aim was to gain an understanding of the structural integrity of this lightweight material as it deforms in flexure. To allow for thorough analysis, digital image correlation (DIC) was used to produce full field strain maps of the deforming specimens. Results highlight the capability of the DIC technique to identify regions of failure, as well as the aspects responsible for them. Overall, the results present a foundation for tests on larger substructure, and eventually integration into manufacturing and maintenance aspects of the industry.

Info:

Periodical:

Edited by:

J.M. Dulieu-Barton, J.D. Lord and R.J. Greene

Pages:

105-114

DOI:

10.4028/www.scientific.net/AMM.13-14.105

Citation:

A. Puri et al., "Non-Destructive Evaluation of Damage Mechanisms in Composite Sandwich Structure", Applied Mechanics and Materials, Vols. 13-14, pp. 105-114, 2008

Online since:

July 2008

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