Research

Crack detection by laser spot imaging thermography


Reference:

Rashed, A., Almond, D. P., Rees, D. A. S., Burrows, S. E. and Dixon, S., 2007. Crack detection by laser spot imaging thermography.

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Official URL:

http://link.aip.org/link/?APCPCS/894/500/1

Abstract

A surface crack, close to a laser heated spot, impedes lateral heat flow and produces alterations in the shape of the laser spot image that can be monitored by thermography. The technique has been found to be successful for determining the location of fatigue cracks. Results are presented that have been obtained using long pulse heating and by flying spot scanning a pulsed laser beam. The results are compared with a preliminary 2D numerical model.

Details

Item Type Conference or Workshop Items (Other)
CreatorsRashed, A., Almond, D. P., Rees, D. A. S., Burrows, S. E. and Dixon, S.
EditorsThompson, D. O.and Chimenti, D. E.
DOI10.1063/1.2718013
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Research CentresAerospace Engineering Research Centre
RefereedYes
StatusPublished
ID Code1514
Additional InformationReview of Progress in Quantitative Nondestructive Evaluation. Portland, Oregon (USA), 30 July-4 August 2006

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