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

  • Investigation of the microstructure of a graded ZrN/Ti0.33Al0.67N multilayer coating using cross-sectional characterization methodsFrank F., M. Tkadletz, C. Saringer, C. Czettl, M. Pohler, M. Burghammer, J. Todt, J. Zalesak, J. Keckes, N. SchalkSurface & Coatings Technology, 129126 (2022)
  • Microstructure-dependent phase stability and precipitation kinetics in equiatomic CrMnFeCoNi high-entropy alloy: Role of grain boundariesDaniel R., J. Zalesak, I. Matko, W. Baumegger, A. Hohenwarter, E.P. George, J. KeckesActa Mater.223, ARTN 117470 (2022)
  • Evolution of structure, residual stress, thermal stability and wear resistance of nanocrystalline multilayered Al0.7Cr0.3N-Al0.67Ti0.33N coatingsSpor S., N. Jaeger, M. Meindlhumer, H. Hruby, M. Burghammer, F. Nahif, C. Mitterer, J. Keckes, R. DanielSurf. Coat. Technol.425, ARTN 127712 (2021)
  • Influence of Gradient Residual Stress and Tip Shape on Stress Fields Inside Indented TiN Hard CoatingTodt J., J. Zalesak, C. Krywka, J. KeckesAdv. Eng. Mater.2021, ARTN 2100130 (2021)
  • Powder Diffraction Data of Aluminum-Rich FCC-Ti1-xAlxN Prepared by CVDEndler I., M. Hoehn, B. Matthey, J. Zalesak, J. Keckes, R. PitonakCOATINGS11, ARTN 683 (2021)
  • Effect of Pressure and Temperature on Microstructure of Self-Assembled Gradient AlxTi1-xN CoatingsZalesak J., J. Todt, J. Michalicka, B. Sartory, I. Matko, M. Lessiak, M. Traxler, R. Weissenbacher, R. Pitonak, C. Gammer, J. KeckesCOATINGS11, ARTN 416 (2021)
  • Predicting strength of Finnish birch veneers based on three different failure criteriaPramreiter M., S. Bodner, J. Keckes, A. Stadtmann, F. Feist, G. Baumann, E. Maawad, U. MüllerDe GruyterHolzforschung 20212021, 1-10 (2021)
  • Correlative cross-sectional characterization of nitrided, carburized and shot-peened steels: synchotron micro-X-ray diffraction analysis of stress, microstructure and phase gradientsBodner S., M. Meindlhumer, T. Ziegelwanger, H. Winklmayr, T. Hatzenbichler, C. Schindelbacher, B. Sartory, M. Krobath, W. Ecker, N. Schell, J. KeckesJournal of Materials Research and Technology2021, 1396-1410 (2021)
  • Nanoscale stress distributions and microstructural changes at scratch track cross-sections of a deformed brittle-ductile CrN-Cr bilayerMeindlhumer M., J. Zalesak, W. Ecker, M. Rosenthal, S. Niese, P. Gawlitza, H. Hruby, C. Mitterer, R. Daniel, J. Keckes, J. TodtMater. Des.195, ARTN 109023 (2020)
  • Nanoindentation and microbending analyses of glassy and crystalline Zr (-Hf)-Cu thin-film alloysHaviar S., T. Kozak, M. Meindlhumer, M. Zitek, K. Opatova, L. Kucerova, J. Keckes, P. ZemanSurf. Coat. Technol.399, ARTN 126139 (2020)