Quantitative Infrared Thermography for Measurement of Temperature-Dependent Material Properties

Fuchs, Elizabeth A.; Hughett, Paul; MacMillan, Debbi

doi:10.1111/j.1747-1567.1988.tb02211.x

Cited by 2 publications

(1 citation statement)

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“…Research efforts are being directed at developing and perfecting NDT techniques capable of monitoring (1) materials production processes [13], (2) material integrity following transport, storage and fabrication [14,15] and (3) the amount and rate of degradation during service [16]. In addition, efforts are underway to develop new NDT techniques capable of measuring the discontinuity of the flaws quantitatively [8,12], permitting determination of material response using fracture mechanics analysis, and replacing the qualitative materials characterization techniques used in the past by quantitative techniques [17].…”

Section: Introductionmentioning

confidence: 99%

Review and comparison of shearography and active thermography for nondestructive evaluation

Hung

Chen

et al. 2009

Materials Science and Engineering: R: Reports

209

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Shearography and thermography are optical techniques, both proven to be valuable tools for material nondestructive evaluation. Papers on these topics, however, are scattered and mainly appeared in optical journals. For the convenience of the materials community, this paper aims to present a comprehensive review of shearography and active thermography and their applications in nondestructive evaluation of materials. Both techniques enjoy the merits of full-field, non-contact and allowing speedy detection of material defects in metal, non-metal as well as composites materials. However, they are fundamentally different in flaw detection mechanisms. Shearography measures materials' mechanical response to stresses, whereas active thermography measures material's heat-transfer response to an instantaneous thermal excitation. A comparison of the advantages and limitations of two techniques for nondestructive evaluation will also be presented.

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