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Heat flow measurements on historical materials

: Meinlschmidt, P.; Aderhold, J.; Märgner, V.

Drdacky, M.; Chapuis, M. ; Academy of Sciences of the Czech Republic -AS CR-, Institute of Theoretical and Applied Mechanics -ITAM-:
Safeguarded Cultural Heritage. Understanding & viability for the enlarged Europe. Vol.2: Posters : Proceedings of the 7th European Conference "Sauveur" 31st May - 3rd June 2006, Prague, Czech Republic
Praha: Institute of Theoretical and Applied Mechanics of the Academy of Sciences of the Czech Republic, 2007
ISBN: 978-80-8624629-1
European Conference "Sauveur" <7,2007, Prag>
Fraunhofer WKI ()
thermography; infrared; on-line; pulse; transmission; icons; terracotta; watermark

The detection of invisible defects like faults, cracks and debondings are important for every restore while working with historical materials. Only a few techniques can be applied to such sensitive surfaces to get information about the actual condition of the valuable material without touching the material. One contact-less and therefore non-destructive technique is the heat flow measurement using an infrared (thermographic) camera.