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 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

  • A new basis for the application of the J -integral for cyclically loaded cracks in elastic–plastic materials
    W. Ochensberger, O. Kolednik
    International Journal of Fracture, 77-101 (2014)
  • Die Versagensmechanismen pressgehärteter und hochfester Stähle im Dreipunkt-Biegeversuch
    K.B. Benedyk, A. Pichler, T. Kurz, O. Kolednik
    BHM, 122-129 (2014)
  • Improvements of strength and fracture resistance by spatial material property variations
    O. Kolednik, J. Predan, R.D. Fischer, P. Fratzl
    Acta Materialia, 279-294 (2014)
  • A new view on J-integrals in elastic–plastic materials
    O. Kolednik, R. Schöngrundner, F.D. Fischer
    International Journal of Fracture, 77-107 (2014)
  • Fracture resistance of aluminum multilayer composites
    J. Zechner, O. Kolednik
    Engineering Fracture Mechanics, 489-500 (2013)
  • Effect of delaminations in Charpy specimens on impact energy in thermomechanically rolled hot strip steel
    M. Sonnleitner, O. Kolednik
    , 1-8 (2013)
  • Paper multilayer with a fracture toughness of steel
    J. Zechner, O. Kolednik
    Journal of Materials Science48, 5180-5187 (2013)
  • Verformungsinduzierte Phasenumwandlung einzelner Austenitkörper
    R. Kasberger, O. Kolednik
    B Lehrstuhl für Umformtechnik Bruno, ed. XXXII. Verformungskundliches Kolloquium, 143-149 (2013)
  • Determining the fracture resistance of thin sheet fiber composites – Paper as a model material
    J. Zechner, M. Janko, O. Kolednik
    Composites Science and Technology74, 43-51 (2013)
  • On configurational forces at boundaries in fracture mechanics
    F.D. Fischer, K. Simha Narendra, J. Predan, R. Schöngrundner, O. Kolednik
    In: A Micromechanics of Defects in Solids Pilar M. Eds., ed.Sevilla, Springer Science+Business Media B.V. (2012, 1-15)