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  • Characterisation of a laser droplet formation process by acoustic emission
    Govekar, Edvard ...
    The aim of this article is to describe an application of acoustic emission to characterise a process of laser droplet formation from a metal wire. Laser droplet formation is a crucial process in new ... laser droplet welding technology, where parts are joined by means of the heat content of a liquid metal droplet deposited onto the parts to be joined. A laser beam is used for heating and melting the wire tip, and for detaching the molten pendant droplet. Depending on the process parameters, three different outcomes of the process can be observed(1) no droplet formed: (2) a droplet formed but not detached: (3) a droplet formed and detached from the wire. It is shown that AEcan be used to monitor the process and to indicate the different process outcomes.
    Source: Ultrasonics. - ISSN 0041-624X (Letn. 42, št. 1, 2004, str. 99-103)
    Type of material - article, component part
    Publish date - 2004
    Language - english
    COBISS.SI-ID - 7070235

    Link(s):

    http://www.sciencedirect.com/science/journals/0041624X

    doi:10.1016/j.ultras.2004.01.026

    Dostop do polnega teksta samo za člane



source: Ultrasonics. - ISSN 0041-624X (Letn. 42, št. 1, 2004, str. 99-103)
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