Flaw detection trial using virtual ultrasonic testing

Matti Sarkimo

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Abstract

This report presents features of ultrasonic simulation and aspects to be considered in virtual inspection trials. A simulation trial implementation and results are reported, with main purpose to test different features of the selected simulation software in creation and analysis of a virtual detectability trial. A series of simulations was conducted using simple test block geometry that included notch shaped flaws with varying depths. To make the case realistic, significant structural noise and moderate attenuation were added to the simulation using the material properties settings. The simulation was run using different probe frequency values and crystal dimensions to produce variation in the flaw detectability. The simulated ultrasonic inspection data was analyzed using analysis tools of the used software. The signal-to-noise ratios and locations of the detected indications were characterized and detectability dependence on the notch height was assessed. Also, study about signal-to-noise ratios measured from the detected indications was performed.
Original languageEnglish
Title of host publicationBaltica VIII
Subtitle of host publicationLife Management and Maintenance for Power Plants
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Pages204-220
Volume1
ISBN (Electronic)978-951-38-7592-3
ISBN (Print)978-951-38-7591-6
Publication statusPublished - 2010
MoE publication typeB3 Non-refereed article in conference proceedings
EventBALTICA VIII - International Conference on Life Management and Maintenance for Power Plants - Helsinki-Stockholm, Finland
Duration: 18 May 201020 May 2010

Publication series

SeriesVTT Symposium
Number264
ISSN0357-9387

Conference

ConferenceBALTICA VIII - International Conference on Life Management and Maintenance for Power Plants
CountryFinland
CityHelsinki-Stockholm
Period18/05/1020/05/10

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  • Cite this

    Sarkimo, M. (2010). Flaw detection trial using virtual ultrasonic testing. In Baltica VIII: Life Management and Maintenance for Power Plants (Vol. 1, pp. 204-220). VTT Technical Research Centre of Finland. VTT Symposium, No. 264 http://www.vtt.fi/inf/pdf/symposiums/2011/S264.pdf