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FRACTURE BEHAVIOR OF 34CrMo4 STEEL IN HIGH-PRESSURE HYDROGEN ENVIRONMENT

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25870807%3A_____%2F20%3AN0000004" target="_blank" >RIV/25870807:_____/20:N0000004 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.37904/metal.2020.3526" target="_blank" >https://doi.org/10.37904/metal.2020.3526</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    FRACTURE BEHAVIOR OF 34CrMo4 STEEL IN HIGH-PRESSURE HYDROGEN ENVIRONMENT

  • Original language description

    The paper summarizes test results of fracture toughness measurement at static loading measured in pure hydrogen environment at pressure 15 MPa. Experiments in hydrogen environment were performed in hydrogen autoclave developed by MATERIAL AND MATERIAL RESEARCH Ltd. Test method was chosen in accordance with ČSN EN ISO 11114-4, method B. Resistivity against unstable fracture or crack growth is measured using stepped increasing of stress intensity factor applied to a specimen. Test process was monitored by potential method. Post-test examination including fracture surface analysis using scanning electron microscope was performed for better understanding of unfavorable effect of hydrogen on crack tip of specimen. Test results confirmed significant change of fracture mechanism in comparison with fracture behavior in the air.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/TK01030163" target="_blank" >TK01030163: Research and development of material characteristics needed for evaluation of reliability and lifetime of steels used for hydrogen industry.</a><br>

  • Continuities

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

Others

  • Publication year

    2020

  • 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 2020 29th International Conference on Metallurgy and Materials Conference Proceedings

  • ISBN

    978-80-87294-97-0

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    597-602

  • Publisher name

    Tanger Ltd.

  • Place of publication

    Ostrava

  • Event location

    Brno

  • Event date

    May 20, 2020

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article