Univ.-Prof. Dr. Jozef Keckes

Function: Vice Chair Material Physics / Group Leader
Room: 303
Phone: +43 (0) 3842-804-303
E-Mail: jozef.keckes(at)unileoben.ac.at

Research

Micro- and Nanostructure Characterization and Micro- and Nanomechanics

Methods

In-situ X-ray scattering on micro- and nano-scaled materials, structure and mechanical properties of thin films, structure-property relationship in biological materials, application of synchrotron radiation, XRD, SAXS, WAXS, GISAXS

Teaching

Materialkundliche Arbeitsverfahren/Metallkundliche Arbeitsverfahren, Seminar aus Werkstoffphysik I and II, Übungen zu Materialkundliche Arbeitsverfahren

Projects

 

Publications

  • Surface oxidation of nanocrystalline CVD TiB2 hard coatings revealed by cross-sectional nano-analytics and in-situ micro-cantilever testing
    D. Gruber, J. Zalesak, J. Todt, M. Tkadletz, B. Sartory, J. Suuronen, T. Ziegelwanger, C. Czettl, C. Mitterer, J. Keckes
    Surf. Coat. Technol.399, ARTN 126181 (2020)
  • Nanoindentation and microbending analyses of glassy and crystalline Zr (-Hf)-Cu thin-film alloys
    S. Haviar, T. Kozak, M. Meindlhumer, M. Zitek, K. Opatova, L. Kucerova, J. Keckes, P. Zeman
    Surf. Coat. Technol.399, ARTN 126139 (2020)
  • Nanoscale stress distributions and microstructural changes at scratch track cross-sections of a deformed brittle-ductile CrN-Cr bilayer
    M. Meindlhumer, J. Zalesak, W. Ecker, M. Rosenthal, S. Niese, P. Gawlitza, H. Hruby, C. Mitterer, R. Daniel, J. Keckes, J. Todt
    Mater. Des.195, ARTN 109023 (2020)
  • Nanoscale stress distributions and microstructural changes at scratch track cross-sections of a deformed brittle-ductrile CrN-Cr bilayer
    M. Meindlhumer, J. Zalesak, W. Ecker, M. Rosenthal, S. Niese, P. Gawlitza, H. Hruby, C. Mitterer, R. Daniel, J. Keckes, J. Todt
    Materials and Design195, ARTN 109023 (2020)
  • Extraordinary high-temperature behavior of electrically conductive Hf7B23Si22C6N40 ceramic film
    P. Zeman, S. Zuzjakova, R. Cerstvy, J. Houska, Y. Shen, J. Todt, J. Jiang, R. Daniel, J. Keckes, E. Meletis, J. Vlcek
    Surf. Coat. Technol.391, ARTN 125686 (2020)
  • Indentation response of a superlattice thin film revealed by in-situ scanning X-ray nanodiffraction
    J. Todt, C. Krywka, Z. Zhang, P. Mayrhofer, J. Keckes, M. Bartosik
    Acta Materialia195, 425-432 (2020)
  • Nanoscale evolution of stress concentrations and crack morphology in multilayered CrN coating during indentation: Experiment and simulation
    W. Ecker, J. Keckes, M. Krobath, J. Zalesak, R. Daniel, M. Rosenthal, J. Todt
    Mater. Des.188, ARTN 108478 (2020)
  • Nanoscale residual stress and microstructure gradients across the cutting edge area of a TiN coating on WC-Co
    M. Meindlhumer, N. Jäger, S. Spor, M. Rosenthal, J.F. Keckes, H. Hruby, C. Mitterer, R. Daniel, J. Keckes, J. Todt
    Scripta Materialia182, 11-15 (2020)
  • Non-destructive Testing of Thin Birch (Betula pendula Roth.) Veneers
    M. Pramreiter, A. Stadlmann, F. Linkeseder, J. Keckes, U. Mueller
    BioResources15, 1265-1281 (2020)
  • Inconel-steel multilayers by liquid dispersed metal powder bed fusion: Microstructure, Residual stress and Property Gradients
    S.C. Bodner, L. van der Vorst, J. Zalesak, J. Todt, J.F. Keckes, V. Maier-Kiener, B. Sartory, N. Schell, J. Hooijmans, J. Saurwalt, J. Keckes
    32, ARTN 101027 (2019)