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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%2F61389005%3A_____%2F10%3A00347276" target="_blank" >RIV/61389005:_____/10:00347276 - 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 degrees 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) of the gamma prime (gamma') 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 axial orientation of specimen, the creep parameters and the mechanical properties.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • 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

  • Article name in the collection

    ADVANCED MATERIALS FORUM V, PT 1 AND 2

  • ISBN

  • ISSN

    0255-5476

  • e-ISSN

  • Number of pages

    12

  • Pages from-to

  • Publisher name

    TRANS TECH PUBLICATIONS LTD, LAUBLSRUTISTR 24

  • Place of publication

    CH-8717 STAFA-ZURICH

  • Event location

    Lisbon

  • Event date

    Apr 5, 2009

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000280763200221