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Gueguen, O.; Ahzi, S.; Makradi, A.; Belouettar, S.; Nikolov, S.; Lebensohn, R. A.: Micromechanical Modeling of Plastic Deformation and Texture Evolution in Semi-Crystalline Polymers: Self-Consistent vs. an Upper Bound Approach. 15th International Conference on the Texture of Materials (ICOTOM 15), Pittsburgh, PA, USA (2008)

Nikolov, S.; Raabe, D.; Sachs, C.; Fabritius, H.: Hierarchical modeling of the mechanical properties of hard biological tissues: Bone and lobster cuticle. MSU conference, MPIE Düsseldorf, Germany (2008)

Fabritius, H.; Sachs, C.; Nikolov, S.; Romano, P.; Hild, S.; Raabe, D.: Wie beeinflussen Struktur und chemische Zusammensetzung auf unterschiedlichen Längenskalen die mechanischen Eigenschaften von biologischen Materialien ? Institute Colloquium, Department of Polymer Science, Johannes Kepler University Linz (JKU), Linz, Austria (2008)

Nikolov, S.; Sachs, C.; Counts, W. A.; Fabritius, H.; Raabe, D.: Modeling of the Mechanical Behavior of Bone at Submicron Scale through Mean-Field Homogenization. European Congress and Exhibition on Advanced Materials and Processes (EUROMAT 2007), Nürnberg, Germany (2007)

Sachs, C.; Fabritius, H.; Nikolov, S.; Raabe, D.: Influence of structural principles on the mechanics and efficiency of different biological materials using lobster cuticle as a model material. DPG Spring Meeting, Regensburg, Germany (2007)

Nikolov, S.; Sachs, C.; Fabritius, H.; Raabe, D.: Microstructure and micromechanics of hard biological tissues: From lobster cuticle to human bone. Seminar talk at Université Catholique de Louvain, Dept. of Applied Sciences, Louvain, Belgium (2007)

Nikolov, S.; Raabe, D.; Roters, F.: A Constitutive Model for Glassy Polymers with Shear Transformation Zones Plasticity and Reptation-Based Viscoelasticity. MMM Third International Conference Multiscale Materials Modeling, Freiburg, Germany (2006)

Nikolov, S.; Lebensohn, R. A.; Roters, F.; Raabe, D.; Ma, A.: Micomechanical Modeling of large plastic deformation in semi-crystalline polymers. Plasticity, Halifax, Canada (2006)

Friák, M.; Petrov, M.; Nikolov, S.; Sachs, C.; Fabritius, H. O.; Elstnerová, P.; Ma, D.; Lymperakis, L.; Raabe, D.; Hild, S. et al.; Zigler, A.; Neugebauer, J.: Quantum-mechanics-based study of multi-scale elastic properties of hierarchical biocomposites. Prospects of bionics for functional Materials Science, Montan University Leoben, Leoben, Austria (2010)

Friák, M.; Petrov, M.; Nikolov, S.; Sachs, C.; Fabritius, H. O.; Elstnerová, P.; Ma, D.; Lymperakis, L.; Raabe, D.; Hild, S. et al.; Zigler, A.; Neugebauer, J.: Ab initio based study of multi-scale elastic properties of hierarchical biocomposites. Psi_k Conference 2010, Berlin, Germany (2010)

Friák, M.; Petrov, M.; Nikolov, S.; Sachs, C.; Fabritius, H.; Elstnerova, P.; Ma, D.; Lymperakis, L.; Raabe, D.; Hild, S. et al.; Zigler, A.; Neugebauer, J.: Arthropod cuticle: A biological multi-functional composite used as template for nano-to-macro-scale hierarchical modeling. Materials Science and Engineering 2010, Darmstadt, Germany (2010)

Nikolov, S.; Sachs, C.; Fabritius, H.; Raabe, D.; Petrov, M.; Friák, M.; Neugebauer, J.; Lymperakis, L.; Ma, D.: Hierarchical modeling of the mechanical properties of lobster cuticle from nano‐ up to macroscale: The influence of the mineral content and the microstructure. 4th International Conference on Multiscale Materials Modeling, Tallahassee, FL, USA (2008)

Sachs, C.; Nikolov, S.; Fabritius, H.; Raabe, D.: Investigation and Modeling of the Elastic Properties of Lobster Cuticle Depending on its Grade of Mineralization. MRS Spring Meeting, San Francisco, CA, USA (2008)

Friak, M.; Nikolov, S.; Petrov, M.; Sachs, C.; Ma, D.; Fabritius, H.; Lymperakis, L.; Raabe, D.; Neugebauer, J.: Ab-initio based multi-scale approaches to the elasticity of metallic polycrystals and hierarchical biocomposites. Lecture: XI National Congress on Theoretical and Applied Mechanics, Borovets, Bulgaria, September 02, 2009 - September 05, 2009

Raabe, D.; Sachs, C.; Fabritius, H.; Friák, M.; Petrov, M.; Nikolov, S.; Romano, P.; Neugebauer, J.: Principles to design and simulate hierarchical materials with property-relevant structural features.