VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
  • Microstructure, yield stress and hardness in weld heat-affected zone of 9-12% Cr steels
    Kafexhiu, Fevzi ; Vodopivec, Franc, 1931-2021 ; Vojvodič-Tuma, Jelena
    The effect of welding and tempering on microstructure and room temperature mechanical properties of two types of creep-resistant steels, X20CrMoV121 and P91, was investigated. Samples were welded and ... then tempered for 17 520 h at 650 [compositum]C and 8 760 h at 750 [compositum]C. After tempering, the room-temperature yield stress and hardness of two regions of weld heat-affected zone (HAZ) were determined. In addition, the scanning electron microscopy (SEM) imaging was carried out. It was found that the effect of tempering at 750 [compositum]C on the microstructure, room-temperature yield stress and hardness was greater than the effect of tempering at 650 [compositum]C. It was also found that weakest part of the HAZ for both tempering temperatures, with regard to the yield stress and hardness, was the coarse grained [gamma] microstructure.
    Vir: Zbornik = Proceedings (Str. 296-303)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2013
    Jezik - angleški
    COBISS.SI-ID - 985770

Vnos na polico