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Parameters identification for GTN model and their verification on the CrMo4 steel

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    0108319 - UFM-A 20043140 SIGLE CZ eng C - Conference Paper (international conference)
    Kozák, Vladislav - Vlček, Libor
    Parameters identification for GTN model and their verification on the CrMo4 steel.
    Materials structure & micromechanics of fracture /4./. Brno: VUTIUM Brno, 2004 - (Šandera, P.), s. 48-48. ISBN 80-214-26732-X.
    [Materials Structure & Micromechanics of Fracture /4./. Brno (CZ), 23.06.2004-25.06.2004]
    R&D Projects: GA AV ČR IBS2041001; GA ČR GA106/02/0745
    Institutional research plan: CEZ:AV0Z2041904
    Keywords : ductile fracture * stable crack growth modelling * R curve
    Subject RIV: JG - Metallurgy

    Exact measurement of deformation and fracture material characteristics in laboratory enables determination of micromechanical parameters for GTN model. The attention is paid on the influence of initial value of J- integral and the slope of R-curve on the local stress triaxiality. Good agreement between numerical simulation and experimentally measured R-curve was found.
    Permanent Link: http://hdl.handle.net/11104/0015454

     
     

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