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Hydrogen effect on mechanical properties of IN738LC superalloy

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F11%3A86081264" target="_blank" >RIV/61989100:27360/11:86081264 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Hydrogen effect on mechanical properties of IN738LC superalloy

  • Original language description

    The study of hydrogen effect on mechanical properties was carried out on samples of IN738LC superalloy. Two ensembles of tensile specimens in the heat treated state were prepared: hydrogen-charged and without hydrogen treatment. The hydrogenation was performed at 800 oC for 4 hours in flowing hydrogen gas. Tensile tests were realized on both ensembles of samples with a strain rate of 5.8 x 10-5 s-1. The yield strength and tensile stress of the superalloy samples non-hydrogenated reached the average values of 717 - 9 MPa and 800 - 18 MPa, respectively. The hydrogen effect resulted in a rise of the average values of yield strength as well as of tensile stress to 800 - 55 MPa and 843 - 32 MPa, respectively. The hydrogen content in two selected specimens was measured using LECO RH600 analyzer and the values of 47.6 and 71.4 ppm of hydrogen were determined. Metallographic and fractographic studies as well as microanalysis of selected specimens were carried out after tensile testing. Casting

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JG - Metallurgy, metal materials

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/ED0040%2F01%2F01" target="_blank" >ED0040/01/01: Regional materials science and technology centre</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    20th Anniversary International Conference on Metallurgy and Materials: METAL 2011

  • ISBN

    978-80-87294-24-6

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    1039-1043

  • Publisher name

    Tanger

  • Place of publication

    Ostrava

  • Event location

    Brno

  • Event date

    May 18, 2011

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article