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Proceedings Paper

Nondestructive testing of plastered mosaics with the use of active thermography approaches
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Paper Abstract

In this work, different mosaics covered with various plasters (of thickness and compositions) were evaluated in lab by means of active long wave and mid wave thermography approaches, with the intention of detecting the tesserae beneath the plastered surface. Thermal images as well as thermal contrast curves between plastered surfaces and plastered mosaics were recorded. Special considerations concerning the applicability and accuracy of the used approaches for this specific application are presented. Results from the assessment are presented and discussed, indicating that images seeing through the mortar-plaster on plastered mosaic surfaces can be obtained using active thermography approaches.

Paper Details

Date Published: 3 May 2010
PDF: 8 pages
Proc. SPIE 7661, Thermosense XXXII, 76610F (3 May 2010); doi: 10.1117/12.850043
Show Author Affiliations
Eleni Cheilakou, National Technical Univ. of Athens (Greece)
Nico P. Avdelidis, National Technical Univ. of Athens (Greece)
Clemente Ibarra-Castanedo, Univ. Laval (Canada)
Maria Koui, National Technical Univ. of Athens (Greece)
Abdel Hakim Bendada, Univ. Laval (Canada)
Xavier P. Maldague, Univ. Laval (Canada)

Published in SPIE Proceedings Vol. 7661:
Thermosense XXXII
Ralph B. Dinwiddie; Morteza Safai, Editor(s)

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