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  • Microindentation as a complementary method for phase identification
    Zupanič, Franc
    This work investigates the possibility of using microindentation as a complementary tool for phase identification, especially in heterogeneous microstructures. Five phases present in alloys ... Al64Cu23Fe13 and Al94Mn2Be2Cu2 were indented in the microindentation region. A load of 20 mN was found to be convenient for testing because it was too low to produce cracks around indents, yet high enough to avoid too large scattering of the results, occurring at smaller loads. It allowed testing of particles as small as 10 ▫$mu$▫m in the lateral direction and 3 ìm in thickness. Some phases can be distinguished from others by specific characteristics of indentation curves. Otherwise, a single quantitative parameter or combinations of several indentation parameters (defined in EN ISO 14577-1) sufficed. The microindentation can considerably help by phase identification; however, a wider application will require a database, providing indentation properties for a particular phase at different loads and taking into account the indentation size effect.
    Source: Metals and materials international. - ISSN 1598-9623 (Vol. 17, no. 6, dec. 2011, str. 865-871)
    Type of material - article, component part
    Publish date - 2011
    Language - english
    COBISS.SI-ID - 15658006
    DOI

source: Metals and materials international. - ISSN 1598-9623 (Vol. 17, no. 6, dec. 2011, str. 865-871)
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