Nondestructive evaluation of delaminations in fresco plaster using transient infrared thermography

E. Grinzato, P. Bison, S. Marinetti, V. Vavilov

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

A transient method of thermal nondestructive testing is applied to detect subsurface delaminations in fresco plaster as a part of restoration work that is being conducted in Italy. A two-dimensional cylindrical model is used to estimate temperature distribution in materials with defects of various sizes and depths. The possibility of testing plaster with thickness up to 30 mm is illustrated. The choice of heating technique, which is supposed to be really nondestructive to ancient frescoes and powerful enough to create reasonable temperatures signals, is considered. Test duration and optimum sampling interval are discussed also. The structural noise of plaster and the influence of surface painting are investigated.

Original languageEnglish
Pages (from-to)257-274
Number of pages18
JournalResearch in Nondestructive Evaluation
Volume5
Issue number4
DOIs
Publication statusPublished - Dec 1994

Fingerprint

plasters
Plaster
Delamination
evaluation
Painting
Nondestructive examination
Italy
restoration
Restoration
Temperature distribution
temperature distribution
sampling
Sampling
intervals
Heating
Defects
heating
defects
Testing
estimates

ASJC Scopus subject areas

  • Materials Science (miscellaneous)

Cite this

Nondestructive evaluation of delaminations in fresco plaster using transient infrared thermography. / Grinzato, E.; Bison, P.; Marinetti, S.; Vavilov, V.

In: Research in Nondestructive Evaluation, Vol. 5, No. 4, 12.1994, p. 257-274.

Research output: Contribution to journalArticle

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