The propagation of ultrasound in an austenitic weld

Søren Halkjær, Mads Peter Sørensen, Anders Wang Kristensen

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    The propagation of ultrasound through an austenitic weld is investigated experimentally as well as in a numerical simulation. The weld is insonified at normal incidence to the fusion line with a longitudinal contact transducer. In order to experimentally trace the ultrasound through the weld, slices of different thicknesses from the original weld have been fabricated. Through-transmission A-scans have then been produced for each weld slice and compared with the corresponding numerical simulation. A comparison of the direction of ultrasound propagation through the weld for the two approaches shows quite good agreement. However, attenuation due to scattering at grain boundaries in the weld is poorly modelled in the simulation. In order to improve this, a better model of the weld is needed.
    Original languageEnglish
    JournalUltrasonics
    Volume38
    Issue number1-8
    Pages (from-to)256-261
    ISSN0041-624X
    DOIs
    Publication statusPublished - 2000
    Event1st Joint Meeting Ultrasonics International 99 and 1999 World Congress on Ultrasonics (UI 99/WCU 99) - Technical University of Denmark, Lyngby, Denmark
    Duration: 29 Jun 19991 Jul 1999
    Conference number: 1

    Conference

    Conference1st Joint Meeting Ultrasonics International 99 and 1999 World Congress on Ultrasonics (UI 99/WCU 99)
    Number1
    LocationTechnical University of Denmark
    Country/TerritoryDenmark
    CityLyngby
    Period29/06/199901/07/1999

    Keywords

    • Austenitic weld
    • Comparison
    • Experiment
    • Numerical simulation
    • Ultrasound

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