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
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 particlesInternational Journal of Solids and Structures285, 112551 (2023)
- J-integral testing on micro-scale cantilever beam specimensEngineering Fracture Mechanics (2023)
- Influence of layer architecture on fracture toughness and specimen stiffness in polymer multilayer compositesMaterials & Design, 1-9 (2022)
- Configurational force based analysis of creep crack growthInt. J. Fract.2022, 1-25 (2022)
- Interaction of crack and hole: effects on crack trajectory, crack driving force and fracture toughnessInt. J. Fract.88, 1-26 (2022)
- A novel approach for determining the stress intensity factor for cracks in multilayered cantileversEng. Fract. Mech.266, ARTN 108386 (2022)
- Characterization methods for strain-induced damage in polypropylenePolym. Eng. Sci.25, ARTN25979 (2022)
- Influence of the material inhomogeneity effect on the crack growth behavior in fiber and particle reinforced compositesEngineering Fracture Mechanics2022, ARTN 108206 (2022)
- Stress intensity factors for micro-and macroscale bimaterial cantilevers and bend specimensThin Solid Films732, ARTN 138750 (2021)
- Optimization of Mechanical Properties and Damage Tolerance in Polymer-Mineral Multilayer CompositesMATERIALS14, ARTN 725 (2021)