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Microstructural response of ultrafine-grained copper to fatigue loading

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F07%3A00081678" target="_blank" >RIV/68081723:_____/07:00081678 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26210/07:PU68681

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Microstructural response of ultrafine-grained copper to fatigue loading

  • Original language description

    Fatigue strength of ultrafine-grained copper prepared by equal channel angular pressing has been experimentally studied. It has been found that the fatigue strength in high cycle region and the endurance limit are strongly influenced by both the detailsof equal angular pressing procedure and the purity of copper. However, the effect of the above mentioned factors on the fatigue strength in low-cycle region is negligible. The ultra fine-grained microstructure has been revealed by optical metallography.The Vickers hardness before and after fatigue was correlated with the cyclic stress-strain response.

  • Czech name

    Mikrostrukturní odezva ultrajemnozrnné mědi na únavové zatěžování

  • Czech description

    Experimentálně byla studována únavová pevnost ultrajemnozrnné mědi připravené metodou intenzivní plastické dforamce (ECAP). Bylo zjištěno, že únavová pevnost a mez únavy jsou silně ovlivněny detialy ECAP procesu a čistotou mědi. Vliv obou faktorů je všakzanedbatelný v nízkocyklové oblasti. Mikrostruktura ultrajemnozrnné mědi byla studována optickou metalografií. Tvrdost před a po únavovém namáhání byla korelována s napěťově-deformační odezvou.

Classification

  • Type

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

  • CEP classification

    JG - Metallurgy, metal materials

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2007

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Acta Metallurgica Slovaca

  • ISSN

    1335-1532

  • e-ISSN

  • Volume of the periodical

    13

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    SK - SLOVAKIA

  • Number of pages

    7

  • Pages from-to

    512-518

  • UT code for WoS article

  • EID of the result in the Scopus database