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  • Study of an annular laser beam based axially-fed powder cladding process
    Govekar, Edvard ...
    An annular laser beam based powder cladding head, which enables an axial powder feeding and variation of the laser beam intensity distribution (LBID) on the workpiece surface is presented. The ... influence of typical LBIDs, including Ring, Tophat(-), Tophat(+), and Gaussian-like, on a cladding process has been characterized based on the process and melt pool visualization, powder catchment efficiency, clad layer geometry, and porosity. The results showed that the most stable process without plasma formation but with low dilution and porosity of the clad layer can be achieved within the range from a Ring to a Tophat(-) LBID. Additionally, axial powder feeding results in a high powder catchment efficiency above 80%.
    Source: CIRP annals. - ISSN 0007-8506 (Vol. 67, iss. 1, 2018, str. 241-244)
    Type of material - article, component part ; adult, serious
    Publish date - 2018
    Language - english
    COBISS.SI-ID - 16026395

    Link(s):

    https://www.sciencedirect.com/science/article/pii/S0007850618301069
    Repository of the University of Ljubljana – RUL
    DOI

source: CIRP annals. - ISSN 0007-8506 (Vol. 67, iss. 1, 2018, str. 241-244)
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