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A hybrid technique for compression testing at intermediate strain rates

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Summary

It is difficult to obtain accurate load information at strain rates on the order of 102 s−1 using a quartz load cell. We have developed a hybrid apparatus which combines the loading capability of a hydraulic test machine with the load-measurement technique of the Hopkinson bar. Tests comparing the output of the Hopkinson bar to the quartz cell clearly demonstrate the increase in resolution obtained with the hybrid technique.

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Authors and Affiliations

  1. Lawrence Livermore National Laboratory, L-170, P.O. Box 808, Livermore, CA, 94551, USA

    M. M. LeBlanc (SEM Member, Senior Technologist) & D. H. Lassila (Member of Technical Staff)

Authors
  1. M. M. LeBlanc
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  2. D. H. Lassila
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LeBlanc, M.M., Lassila, D.H. A hybrid technique for compression testing at intermediate strain rates. Exp Tech 20, 21–24 (1996). https://doi.org/10.1111/j.1747-1567.1996.tb00459.x

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  • DOI: https://doi.org/10.1111/j.1747-1567.1996.tb00459.x

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