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

  • 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)
  • Stress-controlled decomposition routes in cubic AlCrN films assessed by in-situ high-temperature high-energy grazing incidence transmission X-ray diffraction
    M. Meindlhumer, S. Klima, N. Jäger, A. Stark, H. Hruby, C. Mitterer, J. Keckes, R. Daniel
    Scientific ReportsNature9, ARTN 18027 (2019)
  • Microstructure and stress gradients in TiW thin films characterized by 40 nm X-ray diffraction and transmission electron microscopy
    F. Saghaeian, J. Keckes, S. Woehlert, M. Rosenthal, M. Reisinger, J. Todt
    Thin Solid Films691, ARTN 137576 (2019)
  • Investigation of high cyclic fatigue behaviour of thin copper films using MEMS structure
    F. Saghaeian, M. Lederer, A. Hofer, J. Todt, J. Keckes, G. Khatibi
    Int. J. Fatigue128, ARTN 105179 (2019)
  • Combined thermo-physical investigations of thin layers with Time Domain Thermoreflectance and Scanning Thermal Microscopy on the example of 500 nm thin, CVD grown tungsten
    K. Fladischer, V. Leitgeb, L. Mitterhuber, G. Maier, J. Keckes, M. Sagmeister, S. Carniello, S. Defregger
    Thermochim. Acta681, ARTN 178373 (2019)
  • CROSS-SECTIONAL GRADIENTS OF RESIDUAL STRESSES, MICROSTRUCTURE AND PHASES IN A NITRIDED STEEL REVEALED BY 20 mu m SYNCHROTRON X-RAY DIFFRACTION
    S.C. Bodner, T. Ziegelwanger, M. Meindlhumer, J. Holcova, J. Todt, N. Schell, J. Keckes
    Metall. Ital., 6-10 (2019)
  • 20 Hz synchrotron X-ray diffraction analysis in laser-pulsed WC-Co hard metal reveals oscillatory stresses and reversible composite plastification
    D. Gruber, D. Kiefer, R. Roessler, F. Beckmann, M. Tkadletz, T. Kluensner, C. Czettl, J. Keckes, J. Gibmeier
    Int. J. Refract. Met. Hard Mat.82, 121-128 (2019)
  • Facile preparation of superhydrophobic wood surfaces via spraying of aqueous alkyl ketene dimer dispersions
    B. Arminger, W. Gindl-Altmutter, J. Keckes, C. Hansmann
    RSC ADVANCES9, 24357-24367 (2019)
  • Investigation of high cyclic fatigue behaviour of thin copper films using MEMS structure
    F. Saghaeian, M. Lederer, A. Hofer, J. Todt, J. Keckes, G. Khatibi
    Int. Journal of Fatique128, ARTN 105179 (2019)
  • In situ analysis of the effect of high heating rates and initial microstructure on the formation and homogeneity of austenite
    A. Eggbauer, M. Lukas, G. Ressel, P. Prevedel, F. Mendez-Martin, J. Keckes, A. Stark, R. Ebner
    J. Mater. Sci.54, 9197-9212 (2019)