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  • Effect of 3 s reheating on Charpy notch toughness and hardness of martensite and lower bainite = Vpliv 3 s pogrevanja na Charpyjevo zarezno žilavost in trdoto martenzita in spodnjega bainita
    Kosec, Gorazd ...
    The 0.1C 0.032Nb fine grained steel was heat treated to fine and coarse grained lower bainite and martensite. Half of specimens was reheated for 3 s at 750 °C with current conduction. Charpy notch ... tests were performed in temperatr[!]ure range from -200 °C to 60 °C, room temperature hardness determined and microstructure and fracture surface examined with SEM. Notch toughness and transition temperature are similar for lower bainite and delivered steel and much lower for martensite. After reheating, noth toughness was decreased for about ten times for lower bainite and the cleavage temperature increased for about 80 °C. Both changes were much lower for martensite and for as delivered steel. The effect of reheating on hardness was different for different microstructure and much smaller as for notch toughness.
    Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 44, št. 6, nov.-dec. 2010, str. 349-355)
    Vrsta gradiva - članek, sestavni del
    Leto - 2010
    Jezik - angleški
    COBISS.SI-ID - 841898

    Povezava(-e):

    Digitalna knjižnica Slovenije - dLib.si

vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 44, št. 6, nov.-dec. 2010, str. 349-355)

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