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Residual Stress Measurements in the Vicinity of the Butt Weld on the Spherical Storage Tank

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    0568476 - ÚJF 2023 RIV BE eng C - Conference Paper (international conference)
    Mikula, Pavol - Hervoches, Charles - Strunz, Pavel - Mráz, Ľ.
    Residual Stress Measurements in the Vicinity of the Butt Weld on the Spherical Storage Tank.
    The Proceedings of the European Research Reactor Conference. Vol. 2021. Brusel: European Nuclear Society, 2021. ISBN 978-92-95064-36-2.
    [The European Research Reactor Conference (RRFM 2021). Helsinki (FI), 24.09.2021-29.09.2021]
    R&D Projects: GA MŠMT EF16_013/0001794; GA MŠMT LM2018111
    Grant - others:AV ČR(CZ) StrategieAV21/23
    Program: StrategieAV
    Research Infrastructure: CANAM II - 90056
    Institutional support: RVO:61389005
    Keywords : residual strain/stress * neutron diffraction * research reactor
    OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
    https://www.euronuclear.org/scientific-resources/conference-proceedings/

    The identification of the residual stress distribution is an important part of the analysis for the evaluation of life time of steel structures and for an estimation of their critical defect size. Stresses bring about local deformation in weld area and influence properties and behaviour of these structures during service. In this paper the results of strain/stress measurements in the vicinity of the butt weld on the spherical storage tank by neutron diffraction are presented. The storage tank was made of C-Mn unalloyed steel of the strength of ≈ 430 MPa. The specimen in the form of a plate with the dimensions of 100x145x15 mm3 (width x length x thickness). The measurements revealed maximum residual stresses on the level of 300 MPa, 150 MPa and 200 MPa in the longitudinal, transversal and normal direction, respectively.
    Permanent Link: https://hdl.handle.net/11104/0339784

     
     
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