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Thermal non-destructive testing: modeling, simulation and experiments for improved localization of hidden defects
University West, Department of Engineering Science, Division of Automation Systems. saeid@termisk.se. (PTW, SiCoMaP)
Linköping University.
University West, Department of Engineering Science, Division of Automation Systems. (PTW)
University West, Department of Engineering Science, Division of Automation Systems. (PTW)ORCID iD: 0000-0001-6933-375X
2014 (English)In: The 12th International Conference on Quantitative Infrared Thermography, 2014, 1-8 p.Conference paper, Published paper (Refereed)
Abstract [en]

During the last decades, a substantial amount of research and practical work has been conducted on non-destructive testing of materials using thermography. The performed studies elucidate the potential of various types of thermal non-destructive testing (TNDT) for different materials and applications, including various types of defects. This paper presents a method for detecting in-depth defects in metallic materials and a simulation model for the heat transfer in the material. Experiments are performed on a test specimen with artificial defects (flat-bottom holes). The detection method exploits spatiotemporal analysis in order to find deviations from a model of normality, and shows novel results. Thermal modelling is performed in order to have a base-line simulation model enable us to (a) investigate affecting parameters without repeating the experiments and (b) generalize the results and extend their validity to other cases. Results show that there is an acceptable compliance between simulated and measured thermal data. 

Place, publisher, year, edition, pages
2014. 1-8 p.
Keyword [en]
Thermal NDT, FEM, Image processing, Thermal modeling
National Category
Other Mechanical Engineering Other Engineering and Technologies not elsewhere specified Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-6593OAI: oai:DiVA.org:hv-6593DiVA: diva2:743769
Conference
The 12th International Conference on Quantitative Infrared Thermography, 7-11/7 Bordeaux
Projects
SpotSimTUMD
Funder
VINNOVA, SpotSimKnowledge Foundation, SiCoMaPSwedish National Space Board, TUMD
Available from: 2014-09-05 Created: 2014-09-05 Last updated: 2016-02-09Bibliographically approved

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Final-QIRT-A8877SH(1476 kB)341 downloads
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Hatefipour, SaeidWren, JoakimRunnemalm, Anna
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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
  • de-DE
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  • en-US
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  • nn-NB
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  • Other locale
More languages
Output format
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