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SANS investigation of y' precipitate morphology evolution in creep exposed single crystal ni base superalloy

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F10%3A%230000564" target="_blank" >RIV/26722445:_____/10:#0000564 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    SANS investigation of y' precipitate morphology evolution in creep exposed single crystal ni base superalloy

  • Original language description

    The creep degraded nickel base single crystal superalloy CMSX-4 of two axial orientations [001] and [111] was investigated with aim to assess the structure degradation. Constant load creep tests were conducted in the stress/temperature ranges of 250?780MPa/750 ? 50°C resulting in rupture time variation from 50 to 4000 hours. A combination of scanning electron microscopy (SEM) and non-destructive small-angle neutron scattering method (SANS) was used to investigate the directional coarsening (rafting) ofthe gamma prime (?') precipitates in relation to the stress and temperature applied as well as to the initial crystallographic orientation of the specimens. The SANS results are discussed in terms of the correlation with the raft development, the axialorientation of specimen, the creep parameters and the mechanical properties.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BG - Nuclear, atomic and molecular physics, accelerators

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2010

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Materials Science Forum

  • ISSN

    1662-9752

  • e-ISSN

  • Volume of the periodical

    636-637

  • Issue of the periodical within the volume

    2010

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    8

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database