Professorship for materials mechanics
Organisational unit: Section
Organisation profile
The professorship "materials mechanics“ focuses on the development of suitable models for different classes of materials based on the physical deformation mechanisms as well as on the modeling and simulation of local production processes. The development of these material models is crucial for the application of new materials, since these models are able to describe the deformation behavior in industrial production processes which allows for their optimization. In particular, local engineering in the context of production processes is of high technological relevance in adjusting local properties. For example, laser material processing and friction stir welding are relevant processes which are investigated. A targeted heat input into the material can be used to control and adjust the properties near the surface. As a result, improved properties, particularly in terms of damage tolerance can be achieved. The complexity of the interaction between the process parameters and material properties leads to high experimental effort, with sophisticated experimental techniques required to determine the influence of the process on the component. Therefore, reliable models are required to reduce the experimental effort. The developed material and process models are used to identify optimal process parameters that produce the desired properties inside the material and structure. The main objective of the professorship is to develop realistic and efficient numerical models which are formulated on basis of the underlying physical mechanisms. The identification of these mechanisms requires interdisciplinary collaborations with scientists from materials science, mechanics and production.The cooperation between the University of Lüneburg and the Helmholtz-Zentrum Geesthacht provides an ideal opportunity to accomplish the goals of this shared professorship.
Topics
modeling of microstructures
process modeling ans simulation of laser shock peening
process modeling and simulation of laser welding
modeling of metallic glasses
modeling of residual stresses
modeling of nano materials
development of homogenization approaches for heterogeneous materials
- Published
Modeling of temperature- and strain-driven intermetallic compound evolution in an Al-Mg system via a multiphase-field approach with application to refill friction stir spot welding
Raza, S. H., Mittnacht, T., Diyoke, G., Schneider, D., Nestler, B. & Klusemann, B., 01.12.2022, In: Journal of the Mechanics and Physics of Solids. 169, 105059.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Modeling precipitation kinetics for multi-phase and multi-component systems using particle size distributions via a moving grid technique
Herrnring, J., Sundman, B., Staron, P. & Klusemann, B., 15.08.2021, In: Acta Materialia. 215, 14 p., 117053.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Multimodal analysis of spatially heterogeneous microstructural refinement and softening mechanisms in three-pass friction stir processed Al-4Si alloy
Escobar, J., Gwalani, B., Olszta, M., Silverstein, J., Overman, N., Bergmann, L., dos Santos, J. F., Staron, P., Maawad, E., Klusemann, B., Mathaudhu, S. & Devaraj, A., 20.12.2021, In: Journal of Alloys and Compounds. 887, 13 p., 161351.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Multiphase-field modeling of temperature-driven intermetallic compound evolution in an Al-Mg system for application to solid-state joining processes
Raza, S. H. & Klusemann, B., 12.2020, In: Modelling and Simulation in Materials Science and Engineering. 28, 8, 085003.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Multiscale process simulation of residual stress fields of laser beam welded precipitation hardened AA6082
Herrnring, J., Staron, P., Kashaev, N. & Klusemann, B., 11.2018, In: Materialia. 3, p. 243-255 13 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Numerical Investigation of Influence of Spot Geometry in Laser Peen Forming of Thin-Walled Ti-6Al-4V Specimens
Pöltl, D., Keller, S., Chupakhin, S., Sala, S. T., Kashaev, N. & Klusemann, B., 22.07.2022, Achievements and Trends in Material Forming: Peer-reviewed extended papers selected from the 25 th International Conference on Material Forming (ESAFORM 2022). Vincze, G. & Barlat, F. (eds.). Baech: Trans Tech Publications Ltd, p. 2293-2302 10 p. (Key Engineering Materials; vol. 926).Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
- Published
Numerical investigation of laser beam-welded AA2198 joints under different artificial ageing conditions
Examilioti, T., Germanou, A., Papanikos, P., Kashaev, N., Klusemann, B. & Alexopoulos, N. D., 01.01.2022, In: Procedia Structural Integrity. 42, p. 244-250 7 p.Research output: Journal contributions › Conference article in journal › Research
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Numerical Investigation of the Effect of Rolling on the Localized Stress and Strain Induction for Wire + Arc Additive Manufactured Structures
Abbaszadeh, M., Hönnige, J. R., Martina, F., Neto, L., Kashaev, N., Colegrove, P., Williams, S. & Klusemann, B., 15.08.2019, In: Journal of Materials Engineering and Performance. 28, 8, p. 4931-4942 12 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Numerical simulation of friction extrusion: process characteristics and material deformation due to friction
Diyoke, G., Rath, L., Chafle, R., Ben Khalifa, N. & Klusemann, B., 05.2024, In: International Journal of Material Forming. 17, 3, 13 p., 26.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Numerical study of rolling process on the plastic strain distribution in wire + arc additive manufactured Ti-6Al-4V
Abbaszadeh, M., Hönnige, J., Martina, F., Kashaev, N., Williams, S. W. & Klusemann, B., 02.07.2019, In: AIP Conference Proceedings. 2113, 1, 6 p., 150019.Research output: Journal contributions › Conference article in journal › Research › peer-review