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

  • Nanoscale residual stress depth profiling by Focused Ion Beam milling and eigenstrain analysis
    A.M. Korsunsky, E. Salvati, A.G.J. Lunt, T. Sui, M.Z. Mughal, R. Daniel, J. Keckes, E. Bemporad, M. Sebastiani
    Materials and Design, 55-64 (2018)
  • Cross-sectional characterization techniques as the basis for knowledge-based design of graded CVD TiN-TiB2 coatings
    M. Tkadletz, N. Schalk, C. Mitterer, J. Keckes, M. Pohler, C. Czettl
    International Journal of Refractory Metals and Hard Materials, 280-284 (2018)
  • Phase evolution and carbon redistribution during continuous tempering of martensite studied with high resolution techniques
    A. Vieweg, E. Povoden-Karadeniz, G. Ressel, P. Prevedel, T. Wojcik, F. Mendez-Martin, A. Stark, J. Keckes, E. Kozeschnik
    Mater. Des.136, 214-222 (2017)
  • 30 nm X-ray focusing correlates oscillatory stress, texture and structural defect gradients across multilayered TiN-SiOx thin film
    J. Keckes, R. Daniel, J. Todt, J. Zalesak, B. Sartory, S. Braun, J. Gluch, M. Rosenthal, M. Burghammer, C. Mitterer, S. Niese, A. Kubec
    Acta Materialia, 862-873 (2017)
  • Structural modifications in sub-T-g annealed CuZr-based metallic glass
    B. Sarac, A. Bernasconi, J. Wright, M. Stoica, F. Spieckermann, M. Muehlbacher, J. Keckes, X. Bian, G. Wang, J. Eckert
    Mater. Sci. Eng. A-Struct. Mater. Prop. Microstruct. Process.707, 245-252 (2017)
  • Resolving alternating stress gradients and dislocation densities across Al x Ga 1-x N multilayer structures on Si(111)
    M. Reisinger, M. Tomberger, J. Zechner, I. Daumiller, B. Sartory, W. Ecker, J. Keckes, R.T. Lechner
    Applied Physics Letters111, ARTN 162103 (2017)
  • Finite element modeling of the residual stress evolution in forged and direct-aged alloy 718 turbine disks during manufacturing and its experimental validation
    A. Drexler, W. Ecker, R. Hessert, B. Oberwinkler, H.-P. Gänser, J. Keckes, M. Hofmann, A. Fischersworring-Bunk
    , ARTN 070001 (2017)
  • Atomic origin for rejuvenation of a Zr-based metallic glass at cryogenic temperature
    X.L. Bian, G. Wang, J. Yi, Y.D. Jia, J. Bednarcik, Q.J. Zhai, I. Kaban, B. Sarac, M. Muehlbacher, F. Spieckermann, J. Keckes, J. Eckert
    J. Alloy. Compd.718, 254-259 (2017)
  • High resolution residual stress gradient characterization in W/TiN-stack on Si(100): Correlating in-plane stress and grain size distributions in W sublayer
    R. Hammer, J. Todt, J. Keckes, B. Sartory, G. Parteder, J. Kraft, S. Defregger
    Mater. Des.132, 72-78 (2017)
  • Single-shot full strain tensor determination with microbeam X-ray Laue diffraction and a two- dimensional energy-dispersive detector
    A. Abboud, C. Kirchlechner, J. Keckes, T. Conka Nurdan, S. Send, J.S. Micha, O. Ulrich, R. Hartmann, L. Strüderf, U. Pietsch
    Journal of Applied Crystallography50, 901-908 (2017)