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

  • Crack deflection by design - Utilizing the material inhomogeneity effect on miniaturized additively manufactured structures. / Jelinek, Alexander; Alfreider, Markus; Brescakovic, Drazen et al.
    in: Materials and Design, Jahrgang 259, 114718, 11.2025.
  • Estimate of the driving force for creep crack growth. / Kolednik, O.; Kegl, M.; Gubeljak, N. et al.
    in: Engineering Fracture Mechanics, Jahrgang 319, 111013, 02.05.2025.
  • Fracture toughness improvement due to crack deflection and crack trapping by elliptical voids or particles. / Brescakovic, D; Kolednik, O.
    in: International Journal of Solids and Structures, Jahrgang 285, 30.10.2023, S. 112551.
  • J-integral testing on micro-scale cantilever beam specimens. / Kolednik, O; Sistaninia, M; Kolitsch, S.
    in: Engineering Fracture Mechanics, 16.09.2023.
  • Influence of layer architecture on fracture toughness and specimen stiffness in polymer multilayer composites. / Wiener, J; Arbeiter, F; Kolednik, O et al.
    in: Materials and Design, Nr. 219, 08.06.2022, S. 1-9.
  • Configurational force based analysis of creep crack growth. / Kolednik, O; Tiwari, A; Posch, C et al.
    in: International Journal of Fracture, Jahrgang 2022, 07.06.2022, S. 1-25.
  • Interaction of crack and hole: effects on crack trajectory, crack driving force and fracture toughness. / Brescakovic, D; Kegl, M; Kolednik, O.
    in: International Journal of Fracture, Jahrgang 88, 04.05.2022, S. 1-26.
  • A novel approach for determining the stress intensity factor for cracks in multilayered cantilevers. / Sistaninia, M; Kolednik, O.
    in: Engineering Fracture Mechanics, Jahrgang 266, 01.05.2022, S. ARTN 108386.
  • Characterization methods for strain-induced damage in polypropylene. / Wiener, J; Preissegger, F; Plank, B et al.
    in: Polymer Engineering and Science, Jahrgang 25, 04.04.2022, S. ARTN25979.
  • Influence of the material inhomogeneity effect on the crack growth behavior in fiber and particle reinforced composites. / Kolednik, O; Predan, J.
    in: Engineering Fracture Mechanics, Jahrgang 2022, Nr. 261, 03.01.2022, S. ARTN 108206.