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  • Prediction of the mechanical properties of cast Cr-Ni-Mo stainless steels with a two-phase microstructure = Napoved mehanskih lastnosti litih Cr-Ni-Mo nerjavnih jekel z dvofazno mikrostrukturo
    Malešević, Milan ...
    The results of mechanical tests on Cr-Ni-Mo stainless steels were analyzed to find a correlation between the Charpy-V impact toughness (CVN), the Vickers hardness (HV5) and the tensile strength Rm ... with the time and temperature of isothermal ageing. These tests were performed on three alloys with different chemical compositions and delta ferrite contents. The alloys were designated as the volume fractions of A (2 %), B (11 %) and C (with 27 % of delta ferrite). All the results were then described with the most suitable function. After that, a computer program for the prediction (calculating) of the mechanical properties (impact toughness CVN, Vickers hardness HV5 and tensile strength Rm) was made. The program application was written in the Visual Basic 6 environment. With this program it is possible to predict the change of the CVN, HV5 and Rm of Cr-Ni-Mo stainless steels depending on time, aging temperature and the delta ferrite content of the material for aging temperatures from 290 °C to 350 °C (step 10 °C), and delta ferrite content from 2 % to 27 % (step 1 %). To avoid mistakes and to focus on a time period of practical importance, the aging time is limited to 40 years. The principle used here allows us to predict the mechanical properties of other materials with any other chemical composition. However, the confirmation of this requires additional experimental data.
    Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 45, št. 4, jul.-avg. 2011, str. 369-374)
    Vrsta gradiva - članek, sestavni del
    Leto - 2011
    Jezik - angleški
    COBISS.SI-ID - 866986

    Povezava(-e):

    Digitalna knjižnica Slovenije - dLib.si

vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 45, št. 4, jul.-avg. 2011, str. 369-374)

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