Non-destructive testing (NDT) methods used for the study of stone frescoes

Stefano Sfarra, Philipp Huke, Panagiotis Theodorakeas, Domenica Paoletti, Nicolas P. Avdeledis, Dario Ambrosini, Reiner Klattenhoff, Maria Koui

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

2 Цитирования (Scopus)

Аннотация

The value of cultural heritage objects is very high, requiring an observation technique that is safe, highly efficient, and sensitive enough to detect defects that occur in these objects. A combination of non-destructive testing (NDT) methods that meet these requirements increases the probability of detection (POD) and reduces the chance of false detection (false positives or false negatives). In this work, the applicability of optical, infrared and ultrasonic techniques, originally developed for industry, in the architectural restoration field is examined. As an example, we investigate a brick basis covered with two plaster layers containing artificial defects (crack and detachment) hidden in the sample. Squares of different colours have been painted with the last layer comparable to a real fresco, constituting a challenge for thermographic measurements (e.g., in pulse thermography, data is affected by non-uniform heating and local variation of thermal emission). The advantages and disadvantages of Holographic Interferometry (Double-Exposure-DE-), Digital Speckle Photography (DSP), Shearography, Transient Thermal Thermography and Ultrasonic Testing are discussed with respect to their ability to detect the previously described defects.

Язык оригиналаАнглийский
Название основной публикацииNDT in Progress 2011 - 6th International Workshop of NDT Experts, Proceedings
ИздательBrno University of Technology
Страницы295-304
Число страниц10
ISBN (электронное издание)9788021443396
СостояниеОпубликовано - 2011
Опубликовано для внешнего пользованияДа
Событие6th International Workshop NDT in Progress 2011 - Prague, Чешская Республика
Продолжительность: 10 окт 201112 окт 2011

Конференция

Конференция6th International Workshop NDT in Progress 2011
СтранаЧешская Республика
ГородPrague
Период10.10.1112.10.11

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ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Цитировать

Sfarra, S., Huke, P., Theodorakeas, P., Paoletti, D., Avdeledis, N. P., Ambrosini, D., Klattenhoff, R., & Koui, M. (2011). Non-destructive testing (NDT) methods used for the study of stone frescoes. В NDT in Progress 2011 - 6th International Workshop of NDT Experts, Proceedings (стр. 295-304). Brno University of Technology.