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

  • Fracture toughness improvement due to crack deflection and crack trapping by elliptical voids or particlesBrescakovic D., O. KolednikInternational Journal of Solids and Structures285, 112551 (2023)
  • J-integral testing on micro-scale cantilever beam specimensKolednik O., M. Sistaninia, S. KolitschEngineering Fracture Mechanics (2023)
  • Influence of layer architecture on fracture toughness and specimen stiffness in polymer multilayer compositesWiener J., F. Arbeiter, O. Kolednik, G. PinterMaterials & Design, 1-9 (2022)
  • Configurational force based analysis of creep crack growthKolednik O., A. Tiwari, C. Posch, M. KeglInt. J. Fract.2022, 1-25 (2022)
  • Interaction of crack and hole: effects on crack trajectory, crack driving force and fracture toughnessBrescakovic D., M. Kegl, O. KolednikInt. J. Fract.88, 1-26 (2022)
  • A novel approach for determining the stress intensity factor for cracks in multilayered cantileversSistaninia M., O. KolednikEng. Fract. Mech.266, ARTN 108386 (2022)
  • Characterization methods for strain-induced damage in polypropyleneWiener J., F. Preissegger, B. Plank, F. Arbeiter, O. Kolednik, G. PinterPolym. Eng. Sci.25, ARTN25979 (2022)
  • Influence of the material inhomogeneity effect on the crack growth behavior in fiber and particle reinforced compositesKolednik O., J. PredanEngineering Fracture Mechanics2022, ARTN 108206 (2022)
  • Stress intensity factors for micro-and macroscale bimaterial cantilevers and bend specimensKolitsch S., O. KolednikThin Solid Films732, ARTN 138750 (2021)
  • Optimization of Mechanical Properties and Damage Tolerance in Polymer-Mineral Multilayer CompositesWiener J., H. Kaineder, O. Kolednik, F. ArbeiterMATERIALS14, ARTN 725 (2021)