Influence of Pre-strain on Very-Low-Cycle Stress–Strain Response and Springback Behavior

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Barienti, K.; Klein, M.; Wackenrohr, S.; Herbst, S.; Nürnberger, F. et al.: Influence of Pre-strain on Very-Low-Cycle Stress–Strain Response and Springback Behavior. In: Journal of Materials Engineering and Performance 30 (2021), Nr. 1, S. 33-41. DOI: https://doi.org/10.1007/s11665-020-05399-0

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/10538

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Sum total of downloads: 92




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Abstract: 
The influence of pre-strain on the very-low-cycle loading behavior as occurring, for example during roller leveling of sheet metals, is not yet fully understood. A key factor in this context is the stiffness of the material and its changes upon processing. To study the general mechanical property changes during low-cycle loading with small amplitudes for a wide variety of metals, sheet samples of mild steel DC01, pure copper CU-DHP and α-titanium are subjected to low-cycle tension–compression tests. The general influences of pre-strain and the applied strain amplitude are investigated regarding material hardening and changes in the elastic properties. It is shown that all tested materials feature changes in the Bauschinger behavior during cycling. The apparent elastic modulus of the materials decreases with increasing accumulated plastic strain, and the evolution depends on the strain amplitude and the pre-strain. For all three materials, changes in technical springback are present and depend on the loading history. © 2020, The Author(s).
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2021
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
total perc.
1 image of flag of Germany Germany 43 46.74%
2 image of flag of United States United States 19 20.65%
3 image of flag of China China 10 10.87%
4 image of flag of Indonesia Indonesia 3 3.26%
5 image of flag of Turkey Turkey 2 2.17%
6 image of flag of Israel Israel 2 2.17%
7 image of flag of Switzerland Switzerland 2 2.17%
8 image of flag of Canada Canada 2 2.17%
9 image of flag of Italy Italy 1 1.09%
10 image of flag of Austria Austria 1 1.09%
    other countries 7 7.61%

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