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Proceedings Paper

New development of thermographic NDT for laminated composites using contact cooling of IR-transmissive optical solid
Author(s): Takahide Sakagami; Keiji Ogura
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Paper Abstract

The thermographic NDT using a contact cooling technique of an IR transmissive optical solid was newly developed for the defect inspection of the laminated composites. The resolution of the defect inspection using the proposed contact cooling technique was examined both in the computational simulation and the experimental study. The thermal transfer technique for the samples with the less emissivity was developed together with the contact cooling technique using the IR transmissive solid. The usefulness of the thermal transfer technique was demonstrated in the thermographical inspection of the delaminated defects in laminated FRP and the debonded defects in copper-polyimide laminates with less emissive bare surfaces.

Paper Details

Date Published: 3 December 1993
PDF: 10 pages
Proc. SPIE 2001, Nondestructive Inspection of Aging Aircraft, (3 December 1993); doi: 10.1117/12.163833
Show Author Affiliations
Takahide Sakagami, Osaka Univ. (Japan)
Keiji Ogura, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 2001:
Nondestructive Inspection of Aging Aircraft
Michael T. Valley; Nancy K. Del Grande; Albert S. Kobayashi, Editor(s)

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