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Conference Paper

Statistically similar RVE construction based on 3D dual-phase steel microstructures

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Raabe,  Dierk
Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Citation

Scheunemann, L., Balzani, D., Brands, D., Schröder, J., & Raabe, D. (2013). Statistically similar RVE construction based on 3D dual-phase steel microstructures. In Research and Applications in Structural Engineering, Mechanics and Computation - Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2013 (pp. 411-416).


Cite as: https://hdl.handle.net/21.11116/0000-0001-D72E-A
Abstract
This contribution presents a method to construct three-dimensional Statistically Similar RVEs (SSRVEs) for the simulation of the mechanical response of dual-phase steel (DP steel). DP steels have enhanced material properties such as high ductility and high strength compared to conventional steels. Since these properties originate in the microstructure of the material, it should be incorporated in the numerical calculations in order to account for these microstructural effects. This can be accomplished by using the FE2 - method, however for an efficient computation SSRVEs with a reduced complexity compared to the real microstructure have to be defined. These SSRVEs still represent the mechanical response of the material accurately. The method for the construction of SSRVEs is based on a least-square functional considering suitable statistical measures describing the inclusion morphology of the real microstructure. In numerical examples, the mechanical response of the SSRVE is compared to the response of the real microstructure. © 2013 Taylor Francis Group, London, UK.