Univerzitná knižnica - Vedecké odborné časopisy

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Start date: 2023Subject: search.filters.subject.welding

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    Aplikácia nedeštruktívnych metód kontroly na zvarové spoje vyrobené z plastu
    (University of Žilina, 2024) Koňár, Radoslav; Grünermelová, Lucia
    The article describes the possibilities of non-destructive testing of welds made of plastic materials. Both surface and volume methods of non-destructive testing can be used for plastic welds. Non-destructive testing of plastics has certain limitations. The limitations are related to the physical-mechanical properties of the material, as well as the geometry of the tested parts. The most common inspection of welds on plastic materials is a visual inspection, which is carried out to the extent of 100 %. For the inspection of plastic welds, it is also possible to use the penetration method and, with limitations, also ultrasonic and radiographic inspection.
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    Using the cold metal transfer (CMT) method for wire arc additive manufacturing (WAAM) applications
    (University of Žilina, 2023) Frátrik, Martin; Mičian, Miloš
    This work deals with the possibilities of applying the MAG-CMT welding method for the purpose of wire arc additive manufacturing (WAAM). The WAAM method was operated using an industrial robot and welding device for MAG welding. The aim of the work was to compare three methods of laying layers in order to assess their mutual mixing. Cross-shaped perpendicular walls that were mutually connected as of the welded component were assessed. The geometry, macrostructure, and total operating costs of individual variants were evaluated. The result was the determination of the most accurate and most economical variant of laying layers.