Univ. Prof. Dr. Otmar Kolednik

Function: Senior Scientist, retired
Freelancer at ESI
Room: 114
Phone: +43 (0) 3842-804-114
E-Mail: otmar.kolednik(at)oeaw.ac.at

Research

Deformation, Fatigue and Fracture

Micro- and Nanomechanics

Complex Materials

Methods

Deformation, fatigue and fracture of materials and composites, theoretical concepts of non-linear fracture mechanics, numerical modelling of damage initiation and crack growth, materials and component design, quantitative fracture surface analysis, local deformation analysis, finite element modeling, configurational forces concept

Teaching

Nichtlineare Burchmechanik – Theorie und Anwendung, Werkstoff und Bruchzähigkeit

Projects

Design concepts for new fracture resistant materials, Driving force parameters for defects in materials, Behavior of cracks in inhomogeneous materials

Publications

  • Biomimetic Design Concepts for the Pipe Architecture of TomorrowPinter G., F. Arbeiter, J. Wiener, E. Mayrbäurl, A. Frank, O. Kolednik, 1-8 (2018)
  • In-situ elastic-plastic fracture mechanics on the microscale by means of continuous dynamical testingAlfreider M., D. Kozic, O. Kolednik, D. KienerMater. Des.148, 177-187 (2018)
  • To the design of highly fracture-resistant composites by the application of the yield stress inhomogeneity effectSistaninia M., R. Kasberger, O. KolednikComposite Structures185, 113-122 (2018)
  • The effect of residual stresses and strain reversal on the fracture toughness of TiAl alloysAppel F., J.D.H. Paul, P. Staron, M. Oehring, O. Kolednik, J. Predan, F.D. FischerMaterials Science & Engineering A709, 17-29 (2018)
  • Crack driving force in twisted plywood structuresFischer F.D., O. Kolednik, J. Predan, H. Razi, P. FratzlActa Biomater.55, 349-359 (2017)
  • Microstructural Effects on the Toughness of a High Co-Ni SteelGruber M., G. Ressel, S. Ploberger, S. Marsoner, O. Kolednik, R. EbnerAdv. Eng. Mater.19, UNSP 1600633 (2017)
  • Improving strength and toughness of materials by utilizing spatial variations of the yield stressSistaninia M., O. KolednikActa Mater.122, 207-219 (2017)
  • Thermal shock resistance of magnesia spinel refractories-Investigation with the concept of configurational forcesGruber D., M. Sistaninia, C. Fasching, O. KolednikJ. Eur. Ceram. Soc.36, 4301-4308 (2016)
  • The mechanics of tessellations - bioinspired strategies for fracture resistanceFratzl P., O. Kolednik, F.D. Fischer, M.N. DeanChem. Soc. Rev.45, 252-267 (2016)
  • Improvement of fatigue life by compliant and soft interlayersKolednik O., J. Zechner, J. PredanScr. Mater.113, 1-5 (2016)