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  • Theoretical and experimental estimation of the working life of machine parts hard faced with austenite-manganese electrodes = Teoretično in eksperimentalno ugotavljanje zdržljivosti strojnih delov, oplaščenih s trdimi avstenitno-manganskimi elektrodami
    Lazić, Vukić ...
    We have investigated the possibility of repairing damaged machine parts by hard facing with austenite-manganese steel electrodes. The subject is a Fe-C-Mn alloy with a microstructure of soft ... austenite which, after cold deformation, transforms by a shearing mechanism into a hard martensite microstructure. These steels are used mainly for parts exposed to high impact loads and intensive abrasive wear. Depending on the degree of wear, these parts can be replaced by new ones or repaired by hard facing. The selection of the optimal reparation technology for the rotational crusher's impact beams is the subject of this study. Investigations of model samples were conducted first, followed by layers hard faced onto samples with austenite manganese and special electrodes. After this the microstructure and hardness of the welds' characteristic zones were investigated. After reparatory hard facing the impact beams were mounted in the crusher and their behaviour was monitored periodically. Both the new and hard-faced beams' behaviours were monitored and compared under the same working conditions. In this way, the optimal technology for hard facing was established, taking into account not only the technical indicators, but also the economic effects.
    Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 46, št. 5, sep.-okt. 2012, str. 547-554)
    Vrsta gradiva - članek, sestavni del
    Leto - 2012
    Jezik - angleški
    COBISS.SI-ID - 946090

    Povezava(-e):

    http://www.imt.si/Revija/
    Digitalna knjižnica Slovenije - dLib.si

vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 46, št. 5, sep.-okt. 2012, str. 547-554)

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