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  • Welding of the steel grade S890QL = Varjenje jekla kvalitete S890QL
    Celin, Roman ; Bernetič, Jure ; Skobir Balantič, Danijela Anica
    Quenched and tempered high-strength steels are widely used in the construction of steel structures. However, because of their properties, care must be taken in order to determine suitable welding ... parameters. One way is to use the weld-heat-flow theory with the use of the weld-bead cooling time t8/5 and the recommendations of the standard EN 1011-2. The chosen weld parent material was high-strength S890QL steel with the filler welding wire G Mn4Ni1.5CrMo, which were used to produce a sound butt weld. Mechanical testing and a metallographic examination of the weld samples were carried out. The tensile test showed undermatching of the weld joint, with a satisfactory Charpy V notch toughness. The metallographic investigation revealed a microstructure variation in different areas of the weld joint. The highest values of the hardness HV10 were measured in the heat-affected zone.
    Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 48, št. 6, nov.-dec. 2014, str. 931-935)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2014
    Jezik - angleški
    COBISS.SI-ID - 1110442

    Povezava(-e):

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

vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 48, št. 6, nov.-dec. 2014, str. 931-935)

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