Numerical and experimental determination of cut-edge after blanking of thin steel sheet of DP1000 within use of stress based damage model

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Behrens, B.-A.; Bouguecha, A.; Vucetic, M.; Krimm, R.; Hasselbusch, T.; et al.: Numerical and experimental determination of cut-edge after blanking of thin steel sheet of DP1000 within use of stress based damage model. In: Procedia Engineering 81 (2014), S. 1096-1101. DOI: https://doi.org/10.1016/j.proeng.2014.10.200

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The proposed study focuses on blanking of thin steel sheets of Dogal1000DP +Z100MBO. Numerical and experimental investigations of the influence of clearance and punch speed on the cutting force and the geometry of the sheared edge were done. Tensile and stack compression test at elevated temperatures has been chosen to determine the flow and fracture behavior of Dogal1000DP +Z100MBO at different stress states. It is shown that the flow curve determined by stack compression test leads to better results in force - displacement prediction of a blanking process compared to determination of flow curve by tensile test. Stress based fracture criterion were chosen to describe damage behaviour. Moreover significant influence of fracture locus for negative stress triaxialities on the geometry of the numerically predicted sheared edge is shown.
License of this version: CC BY-NC-ND 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
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1 image of flag of Germany Germany 94 81.74%
2 image of flag of Turkey Turkey 4 3.48%
3 image of flag of China China 4 3.48%
4 image of flag of Iraq Iraq 3 2.61%
5 image of flag of Russian Federation Russian Federation 1 0.87%
6 image of flag of Korea, Republic of Korea, Republic of 1 0.87%
7 image of flag of Japan Japan 1 0.87%
8 image of flag of Italy Italy 1 0.87%
9 image of flag of Indonesia Indonesia 1 0.87%
10 image of flag of Austria Austria 1 0.87%
    other countries 4 3.48%

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