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  • The influence of the microalloying elements of HSLA steel on the microstructure and mechanical properties = Vpliv mikrolegirnih elementov na mikrostrukturo in mehanske lastnosti HSLA jekla
    Skobir Balantič, Danijela Anica ...
    In this work, hot-forged, high-strength, low-alloy (HSLA) steels based on the chemical composition 34CrNiMo6 were investigated in order to determine the type of precipitates forming and their effect ... on the mechanical properties. The individual steels were microalloyed with one of the following elements or a combination of elements: niobium, titanium or zirconium and vanadium. The compositional changes in the microstructure and the various kinds of precipitates observed in the microalloyed steels were examined using energy-dispersive spectroscopy (EDS). Optical and scanning electron microscopy studies revealed that the addition of microalloying elements did not change very much the main microstructural features due to the fact that all the microstructures consisted of tempered martensite and finely dispersed carbide precipitates along martensite laths. In all the microstructures relatively large precipitates of the microalloyed elements were observed. This could be a possible reason for observing no significant improvement in the mechanical properties.
    Source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 44, št. 6, 2010, str. 343-347)
    Type of material - article, component part
    Publish date - 2010
    Language - english
    COBISS.SI-ID - 841642

    Link(s):

    Digitalna knjižnica Slovenije - dLib.si

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