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A drop-weight high-speed tensile testing instrument

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Abstract

A drop-weight high-speed tensile testing instrument was developed, in which the acting force and the specimen elongation can be obtained by measuring the displacement of the drop-weight by means of an opto-electronic transducer. The system was used to obtain the flow curves of AA5754 at strain rates up to 2,200 s−1. The flow curves were verified with the help of finite element calculations by comparing the displacement and full-field strain measurement results. The developed instrument provides satisfying flow curves, in addition to being simple and cheap.

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Acknowledgments

The authors would like to thank the German Research Foundation (DFG) for its financial support provided for the work reported about the scope of proposal PAK 343.

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Correspondence to O. K. Demir.

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Kleiner, M., Tekkaya, A.E., Demir, O.K. et al. A drop-weight high-speed tensile testing instrument. Prod. Eng. Res. Devel. 3, 175–180 (2009). https://doi.org/10.1007/s11740-009-0154-4

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  • DOI: https://doi.org/10.1007/s11740-009-0154-4

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