From the experimental simulation to integrated non-destructive analysis by means of optical and infrared techniques

Results compared

S. Sfarra, C. Ibarra-Castanedo, F. Lambiase, D. Paoletti, A. Di Ilio, X. Maldague

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

In this work the possibility of modeling manufacturing ceramic products is analyzed through the application of transient thermography, holographic interferometry and digital speckle photography, in order to identify the subsurface defects characteristics. This integrated method could be used to understand the nature of heterogeneous materials (such as plastic, sponge simulating a void, wood, aluminum) potentially contained within ceramic materials, as well as to predict crack formation due to them. The paper presents the analysis of green ceramic tile containing defects of different types and sizes located at different depths. The finite element method is used for solving the problem of transient heat transfer occurring in experimental conditions. Unknown parameters of the numerical model (such as convective heat transfer coefficients and sample surface emissivity) were adjusted to obtain numerical simulation results as close as possible to those obtained experimentally. Similarities and differences between experimental and simulated data are analyzed and discussed. Possibilities for improving the results and further developments are proposed.

Original languageEnglish
Article number115601
JournalMeasurement Science and Technology
Volume23
Issue number11
DOIs
Publication statusPublished - Nov 2012
Externally publishedYes

Fingerprint

Infrared
Defects
ceramics
Holographic Interferometry
Ceramic products
Infrared radiation
Holographic interferometry
Heterogeneous Materials
Emissivity
Convective Heat Transfer
Heat Transfer Coefficient
Photography
Speckle
Tile
Ceramic materials
Voids
Crack initiation
Unknown Parameters
Aluminum
Heat transfer coefficients

ASJC Scopus subject areas

  • Instrumentation
  • Applied Mathematics

Cite this

From the experimental simulation to integrated non-destructive analysis by means of optical and infrared techniques : Results compared. / Sfarra, S.; Ibarra-Castanedo, C.; Lambiase, F.; Paoletti, D.; Di Ilio, A.; Maldague, X.

In: Measurement Science and Technology, Vol. 23, No. 11, 115601, 11.2012.

Research output: Contribution to journalArticle

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