Univ. Prof. Dr. Otmar Kolednik

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

Research

1. Deformation, Fatigue and Fracture

2. Micro- and Nanomechanics and 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

Deformation- and fracture behavior of advanced materials, J-integral as driving force parameter for elastic-plastic materials, Development of new fracture resistant materials and components, Design concepts for damage resistant materials, Behavior of cracks in inhomogeneous materials

Publications

  • Stress intensity factors for micro-and macroscale bimaterial cantilevers and bend specimens
    S. Kolitsch, O. Kolednik
    Thin Solid Films732, ARTN 138750 (2021)
    DOI RIS ENW BIB
  • Optimization of Mechanical Properties and Damage Tolerance in Polymer-Mineral Multilayer Composites
    J. Wiener, H. Kaineder, O. Kolednik, F. Arbeiter
    MATERIALS14, ARTN 725 (2021)
    DOI RIS ENW BIB
  • Stress intensity factor for w-shape tension specimens
    S. Kolitsch, M. Jan, H. Gaenser, O. Kolednik
    Eng. Fract. Mech.242, ARTN 107478 (2021)
    DOI RIS ENW BIB
  • Application of the material inhomogeneity effect for the improvement of fracture toughness of a brittle polymer
    A. Tiwari, J. Wiener, F. Arbeiter, G. Pinter, Ol Kolednik
    Engineering Fracture Mechanics224, ARTN 106776 (2019)
    DOI RIS ENW BIB
  • Bioinspired toughness improvement through soft interlayers in mineral reinforced polypropylene
    J. Wiener, F. Arbeiter, A. Tiwari, O. Kolednik, G. Pinter
    Mechanics of Materials1 40, ARTN 103243 (2019)
    DOI RIS ENW BIB
  • Driving forces on dislocations - An analytical and finite element study
    O. Kolednik, W. Ochensberger, J. Predan, F. Fischer
    International Journal of Solids and Structures190, 181-198 (2019)
    DOI RIS ENW BIB
  • Development of Damage - Tolerant and Fracture-Resistant Materials by Utilizing the Material Inhomogeneity Effect
    O. Kolednik, R. Kasberger, M. Sistaninia, J. Predan, M. Kegl
    ASMEJournal of Applied Mechanics86, 111004-1-111004-12 (2019)
    DOI RIS ENW BIB
  • Damage tolerance of lamellar bone
    H. Razi, J. Predan, F. Fischer, O. Kolednik, P. Fratzl
    Bone130, ARTN 115102 (2019)
    DOI RIS ENW BIB
  • Fracture behavior and deformation mechanisms in nanolaminated crystalline/amorphous micro-cantilevers
    Y. Wang, R. Fritz, D. Kiener, J. Zhang, G. Liu, O. Kolednik, R. Pippan, J. Sun
    ElsevierActa Materialia180 (2019), 73-83 (2019)
    DOI RIS ENW BIB
  • Crack arrest in thin metallic film stacks due to material- and residual stress inhomogeneities
    D. Kozic, H.-P. Gaenser, R. Brunner, D. Kiener, T. Antretter, O. Kolednik
    Thin Solid Films668, 14-22 (2018)
    DOI RIS ENW BIB