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Reflectance Transformation Imaging as a tool for engineering failure analysis

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)1006-1017
Number of pages12
JournalEngineering Failure Analysis
Volume105
Early online date23 Jul 2019
DOIs
DateAccepted/In press - 14 Jul 2019
DateE-pub ahead of print - 23 Jul 2019
DatePublished (current) - 1 Nov 2019

Abstract

Reflectance Transformation Imaging (RTI) is a technique which can be used to record the surface appearance of objects. It can capture a surface’s interaction with incident light from different directions and it enables estimation of the surface normal vector. 3D surface profile information can be estimated from RTI datasets using photometric stereo methods. RTI currently has applications in archaeometry and cultural heritage studies but here we discuss the use of RTI in an engineering context: as a tool for failure analysis and particularly for examining failure surfaces in structural materials and components. We demonstrate that RTI can be a practical and low-cost technique for failure analysis, complementing other surface analysis and 3D scanning methods.

    Research areas

  • Fractography, Reflectance Transformation Imaging, Photogrammetry, Photometric stereo

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Elsevier at https://www.sciencedirect.com/science/article/pii/S1350630719304625. Please refer to any applicable terms of use of the publisher.

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    Licence: CC BY

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