Univ. Prof. Dr. Otmar Kolednik

Function: Group Leader
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 materialsJ-integral as driving force parameter for elastic-plastic materialsDevelopment of new fracture resistant materials and components, Design concepts for damage resistant materials, Behavior of cracks in inhomogeneous materials

Publications

  • 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)
  • 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)
  • Strain-rate dependent occurrence of cleavage fracture in Fe−Si−Al alloys
    O. Kolednik, A. Umgeher, H. Kreuzer, T. Hebesberger, A. Pichler
    Materials Science and Engineering: A, 267-276 (2018)
  • On the microstructure control of the bendability of advanced high strength steels
    C. Suppan, T. Hebesberger, A. Pichler, J. Rehrl, O. Kolednik
    Mater. Sci. Eng. A-Struct. Mater. Prop. Microstruct. Process.735, 89-98 (2018)
  • Biomimetic Design Concepts for the Pipe Architecture of Tomorrow
    G. Pinter, 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 testing
    M. Alfreider, D. Kozic, O. Kolednik, D. Kiener
    Mater. Des.148, 177-187 (2018)
  • To the design of highly fracture-resistant composites by the application of the yield stress inhomogeneity effect
    M. Sistaninia, R. Kasberger, O. Kolednik
    Composite Structures185, 113-122 (2018)
  • The effect of residual stresses and strain reversal on the fracture toughness of TiAl alloys
    F. Appel, J.D.H. Paul, P. Staron, M. Oehring, O. Kolednik, J. Predan, F.D. Fischer
    Materials Science & Engineering A709, 17-29 (2018)
  • Crack driving force in twisted plywood structures
    F.D. Fischer, O. Kolednik, J. Predan, H. Razi, P. Fratzl
    Acta Biomater.55, 349-359 (2017)
  • Microstructural Effects on the Toughness of a High Co-Ni Steel
    M. Gruber, G. Ressel, S. Ploberger, S. Marsoner, O. Kolednik, R. Ebner
    Adv. Eng. Mater.19, UNSP 1600633 (2017)