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
- Journal articles › Research › Peer-reviewed
- Published
Effect of thermo-mechanical conditions during constrained friction processing on the particle refinement of AM50 Mg-alloy phases
de Castro, C. C., Neves, A. M. & Klusemann, B., 06.2024, In: Journal of Magnesium and Alloys. 12, 6, p. 2298-2311 14 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Effect of Welding Speed on Friction Stir Welds of PM2000 Alloy
Wang, J., Fu, B., Bergmann, L., Liu, F. & Klusemann, B., 01.2023, In: Journal of Materials Engineering and Performance. 32, 2, p. 577-586 10 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimental and numerical analysis of refill friction stir spot welding of thin AA7075-T6 sheets
Janga, V. S. R., Awang, M., Yamin, M. F., Suhuddin, U. F. H., Klusemann, B. & dos Santos, J. F., 06.12.2021, In: Materials. 14, 23, 20 p., 7485.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimental and numerical investigation of laser beam-welded Al-Cu-Li joints using micro-mechanical characteristics
Examilioti, T. N., Papanikos, P., Kashaev, N., Klusemann, B. & Alexopoulos, N. D., 01.07.2022, In: Journal of Materials Research and Technology. 19, p. 2431-2446 16 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimental and numerical investigation of residual stresses in laser shock peened AA2198
Keller, S., Chupakhin, S., Staron, P., Maawad, E., Kashaev, N. & Klusemann, B., 01.05.2018, In: Journal of Materials Processing Technology. 255, p. 294-307 14 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimental and numerical thermo-mechanical analysis of wire-based laser metal deposition of Al-Mg alloys
Bock, F. E., Herrnring, J., Froend, M., Enz, J., Kashaev, N. & Klusemann, B., 01.04.2021, In: Journal of Manufacturing Processes. 64, p. 982-995 14 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimental investigation of crack propagation mechanism in refill friction stir spot joints of AA6082-T6
Becker, N., dos Santos, J. F. & Klusemann, B., 16.04.2024, In: Engineering Fracture Mechanics. 300, 11 p., 109963.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimentally established correlation of friction surfacing process temperature and deposit geometry
Kallien, Z., Rath, L., Roos, A. & Klusemann, B., 15.09.2020, In: Surface and Coatings Technology. 397, 7 p., 126040.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimentally validated multi-step simulation strategy to predict the fatigue crack propagation rate in residual stress fields after laser shock peening
Keller, S., Horstmann, M., Kashaev, N. & Klusemann, B., 01.07.2019, In: International Journal of Fatigue. 124, p. 265-276 12 p.Research output: Journal contributions › Journal articles › Research › peer-review
- Published
Experimental-numerical study of laser-shock-peening-induced retardation of fatigue crack propagation in Ti-17 titanium alloy
Sun, R., Keller, S., Zhu, Y., Guo, W., Kashaev, N. & Klusemann, B., 01.04.2021, In: International Journal of Fatigue. 145, 13 p., 106081.Research output: Journal contributions › Journal articles › Research › peer-review