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Creep behaviour of an Al-8.5Fe-1.3V-1.7Si-15SiC composite at temperatures ranging from 873 to 948 K.

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F02%3A07023098" target="_blank" >RIV/68081723:_____/02:07023098 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Creep behaviour of an Al-8.5Fe-1.3V-1.7Si-15SiC composite at temperatures ranging from 873 to 948 K.

  • Original language description

    The creep behaviour of an Al-8.5Fe-1.3V-1.7Si alloy reinforced with 15 vol.% silicon carbide particles-an Al-8.5Fe-1.3Si1.7Si-15SiC(p) composite-is investigated at four temperatures ranging from 873 to 948 K. The minimum creep strain rates epsilon(m) aremeasured using the isothermal constant stress creep test technique. The results indicate the true threshold stress sigma(TH) decreasing with increasing temperature approximately linearly, the true stress exponent it is found equal to 2.5, the true activation energy of creep DeltaH(c) close to the activation enthalpy of grain boundary diffusion DeltaH(B). For creep behaviour of the composite. very high values and very strong applied stress and temperature dependences of both the apparent activation energy Q(c) and the apparent stress exponent m(c) are found to be characteristic. These values of Q(c) and m(c) are interpreted in terms of the true threshold stress decreasing with increasing temperature. An attempt is made to account qualit

  • Czech name

  • Czech description

Classification

  • Type

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

  • CEP classification

    JI - Composite materials

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/IBS2041001" target="_blank" >IBS2041001: Degradation of properties and lifetime assessment of engineering materials under mechanical loading</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

    2002

  • 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 and Engineering. Structural Materials: Properties, Microstructure and Processing

  • ISSN

    0921-5093

  • e-ISSN

  • Volume of the periodical

    A328

  • Issue of the periodical within the volume

    1-2

  • Country of publishing house

    IE - IRELAND

  • Number of pages

    8

  • Pages from-to

    283-290

  • UT code for WoS article

  • EID of the result in the Scopus database