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Phenomenological model of hot deformation resistance of the C-Mn-V-B-type HSLA steel

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F12%3A86084484" target="_blank" >RIV/61989100:27360/12:86084484 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Phenomenological model of hot deformation resistance of the C-Mn-V-B-type HSLA steel

  • Original language description

    Based on the measurement of roll forces during the laboratory rolling of flat samples graded in thickness, new hot mean flow stress model of the HSLA steel of the type C-Mn-V-B was developed. It describes with a very good accuracy the mean flow stress min the temperature range T = 850 ? 1190 degree C, effective height reductions up to eh = 0.66, and strain rates in the range of ? = 8 ? 103 s-1. The newly proposed model solves by phenomenological means a frequent problem with heteroscedasticity of relative deviations between the calculated and experimental values of deformation resistance in the case of the temperature effect. Mean flow stress values of steel C-Mn-V-B were compared with the formerly obtained m values for steels of type C-Mn as well asC-Mn-Nb-V. It was proved that HSLA steel with V and B displayed relatively very low deformation resistance and a minimum strain sensitivity at hot forming.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JG - Metallurgy, metal materials

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    METAL 2012 : 21st International Conference on Metallurgy and Materials : conference proceedings

  • ISBN

    978-80-87294-31-4

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    264-269

  • Publisher name

    Tanger

  • Place of publication

    Ostrava

  • Event location

    Brno

  • Event date

    May 23, 2012

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article