Charaterization of CFRP with Lockin Thermography

Date
1995
Authors
Wu, D.
Steegmüller, R.
Karpen, W.
Busse, G.
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Altmetrics
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Abstract

Thermal waves are suited for non-contacting inspection of near-surface areas of solids [1]. The reason for this depth limitation is the strong attenuation of this modulated thermal diffusion process. The resulting depth range is frequency dependent, hence it has been pointed out very early that thermal waves allow for depth profiling by variation of modulation frequency [2, 3].

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