Quantitative evaluation of cavities and inclusions in solids using IR thermography

Angel Madrid

doi:10.1117/12.46460

1 March 1991 Quantitative evaluation of cavities and inclusions in solids using IR thermography

Angel Madrid

Proceedings Volume 1467, Thermosense XIII; (1991) https://doi.org/10.1117/12.46460
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

Analyses are conducted in order to develop a method for quantitative determination of internal cavities and foreign inclusions in solids on the basis of IR thermography. The results thus obtainable as especially applicable to cases suitable for modeling in 1D heat-transfer mode within a straight slab of constant or variable thickness, under quasi-static thermal conditions and in the absence of internal heat sources. A local dimensionless thermal parameter is defined for detection and interpretation of detected cavities and inclusions; the explicit prediction of their minimum detectable volumetric fraction depends on thermal imager resolution, slab thickness, and thermal conductivities.

Citation Download Citation

Angel Madrid "Quantitative evaluation of cavities and inclusions in solids using IR thermography", Proc. SPIE 1467, Thermosense XIII, (1 March 1991); https://doi.org/10.1117/12.46460

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