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

  • A combinatorial X-ray sub-micron diffraction study of microstructure, residual stress and phase stability in TiAlN coatings
    A. Riedl, R. Daniel, J. Todt, M. Stefenelli, D. Holec, B. Sartory, C. Krywka, M. Müller, C. Mitterer, J. Keckes
    Surface & Coatings Technology, 108-113 (2014)
  • Superior oxidation resistance, mechanical properties and residual stresses of an Al-rich nanolamellar Ti<sub>0.05</sub>Al<sub>0.95</sub>N coating prepared by CVD
    J. Todt, R. Pitonak, A. Köpf, R. Weißenbacher, B. Sartory, M. Burghammer, R. Daniel, T. Schöberl, J. Keckes
    Surface & Coatings Technology, 1119-1127 (2014)
  • Evolution of residual stress and damage in coated hard metal milling inserts over the complete tool life
    T. Teppernegg, T. Klünsner, P. Angerer, C. Tritremmel, C. Czettl, J. Keckes, R. Ebner, R. Pippan
    International Journal of Refractory Metals and Hard Materials, 80-85 (2014)
  • New insights into single-grain mechanical behavior from temperature-dependent 3-D coherent X-ray diffraction
    N. Vaxelaire, S. Labat, T.W. Cornelius, C. Kirchlechner, J. Keckes, T. Schulli, O. Thomas
    Acta Materialia, 46-55 (2014)
  • Mono-textured nanocrystalline thin films with pronounced stress-gradients: On the role of grain boundaries in the stress evolution
    R. Daniel, E. Jäger, J. Todt, B. Sartory, C. Mitterer, J. Keckes
    Journal of Applied Physics, 203507-1-9 (2014)
  • Macroscopic Fracture Behaviour of CrN Hard Coatings Evaluated by X-Ray Diffraction Coupled with Four-Point Bending
    M. Stefenelli, A. Riedl, J. Todt, M. Bartosik, R. Daniel, C. Mitterer, J. Keckes
    Materials Science Forum, 272-279 (2014)
  • Depth-resolved residual stress analysis with high-energy synchrotron X-rays using a conical slit cell
    P. Staron, T. Fischer, J. Keckes, S. Schratter, T. Hatzenbichler, N. Schell, M. Müller, A. Schreyer
    Materials Science Forum, 72-75 (2014)
  • Supersaturation in Ag–Ni alloy by two-step high-pressure torsion processing
    A. Bachmaier, J. Keckes, K. Kormout, R. Pippan
    Philosophical Magazine Letters, 9-17 (2014)
  • Radial crystalline texture in a lyocell fibre revealed by synchrotron nanofocus wide-angle X-ray scattering
    W. Gindl-Altmutter, S.J. Eichhorn, M. Burghammer, J. Keckes
    Cellulose, 1-7 (2013)
  • Origins of microstructure and stress gradients in nanocrystalline thin films: The role of growth parameters and self-organization
    R. Daniel, J. Keckes, I. Matko, M. Burghammer, C. Mitterer
    Acta Materialia, 6255-6266 (2013)