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
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Quasi-in-situ observation of microstructure at the friction interface: Shear deformation, dynamic recrystallization and mechanical responses during friction welding process
Jin, F., Fu, B., Shen, J., Li, J., Li, W., Santos, J. F. D. & Klusemann, B., 01.06.2023, In: Materials Characterization. 200, 112911.Research output: Journal contributions › Journal articles › Research
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Rapid grain refinement and compositional homogenization in a cast binary Cu50Ni alloy achieved by friction stir processing
Escobar, J., Gwalani, B., Silverstein, J., Ajantiwalay, T., Roach, C., Bergmann, L., dos Santos, J. F., Maawad, E., Klusemann, B. & Devaraj, A., 01.08.2023, In: Materials Characterization. 202, 112999.Research output: Journal contributions › Journal articles › Research
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Refill friction stir spot welding of thermoplastic composites: Case study on Carbon-fiber-reinforced polyphenylene sulfide
Schäfer, H., Blaga, L. A., Stöver, E. & Klusemann, B., 01.10.2023, In: Thin-Walled Structures. 191, 111037.Research output: Journal contributions › Journal articles › Research
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Revealing joining mechanism in refill friction stir spot welding of AZ31 magnesium alloy to galvanized DP600 steel
Fu, B., Shen, J., Suhuddin, U. F. H. R., Pereira, A. A. C., Maawad, E., dos Santos, J. F., Klusemann, B. & Rethmeier, M., 01.11.2021, In: Materials and Design. 209, 18 p., 109997.Research output: Journal contributions › Journal articles › Research › peer-review
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Semi-stationary shoulder bobbin-tool: A new approach in tailoring macrostructure and mechanical properties of bobbin-tool friction stir welds in magnesium alloy
Li, G., Chen, T., Fu, B., Shen, J., Bergmann, L., Zhou, L., Chen, K., Santos, J. F. D. & Klusemann, B., 01.08.2023, In: Journal of Materials Processing Technology. 317, 117984.Research output: Journal contributions › Journal articles › Research
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Simulation of fatigue crack growth in residual‐stress‐afflicted specimen with a phase‐field model
Seiler, M., Keller, S., Kashaev, N., Klusemann, B. & Kästner, M., 01.12.2021, In: PAMM. 21, 1, 2 p., e202100210.Research output: Journal contributions › Conference abstract in journal › Research
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Stability of phase transformation models for Ti-6Al-4V under cyclic thermal loading imposed during laser metal deposition
Klusemann, B. & Bambach, M., 02.05.2018, In: AIP Conference Proceedings. 1960, 1, 140012.Research output: Journal contributions › Conference article in journal › Research › peer-review
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Strengthening Mechanisms and Strain Hardening Behavior of 316L Stainless Steel Manufactured by Laser-Based Powder Bed Fusion
Taghipour, A., Mazaheri, Y., McDavid, J., Sheikhi, S., Braun, M., Shen, J., Klusemann, B. & Ehlers, S., 02.2023, In: Advanced Engineering Materials. 25, 4, 16 p., 2201230.Research output: Journal contributions › Journal articles › Research › peer-review
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Study of intrinsic and extrinsic size effects on shear bands in metallic glasses
Klusemann, B., Soyarslan, C. & Bargmann, S., 2016, Contributions to the Foundations of Multidisciplinary Research in Mechanics: Papers presented during the 24th International Congress of Theoretical and Applied Mechanics ICTAM2016, Montreal, 22-26, 2016. Floryan, J. M. (ed.). International Union for Theoretical and Applied Mechanics, Vol. 3. p. 2524-2525 2 p.Research output: Contributions to collected editions/works › Published abstract in conference proceedings › Research › peer-review
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Surface modification methods for fatigue properties improvement of laser-beam-welded Ti-6Al-4V butt joints
Fomin, F., Klusemann, B. & Kashaev, N., 31.12.2018, In: Procedia Structural Integrity. 13, p. 273-278 6 p.Research output: Journal contributions › Conference article in journal › Research › peer-review