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An Innovative Instrumented Projectile for Measuring Impact-Induced Force History

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Abstract

Measuring impact-induced contact force history is critically important to understanding the nature of impact events and the associated damage processes of materials/structures involved in the impact. In order to investigate the impact-induced contact force history involved in free impacts, such as ballistic impact and high-speed crash, this study developed an innovative instrumented projectile. Both instrumented projectiles with and without an innovative geometry were constructed, tested, and compared. An independent optical method was also used to justify the measurements from the innovative instrumented projectile. Experimental results confirmed the effectiveness and the accuracy of the innovative instrumented projectile in measuring impact-induced force history.

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References

  1. Li, G., and Liu, D., “Instrumented Free Projectile for Impact Testing,” Proceedings of the XI International Conference and Exposition on Experimental and Applied Mechanics, Orlando, FL, June 2–5, 2008.

  2. Gulker, B.G., Lureau, R., and Liu, D., “Investigation of Impact Response of Composites with Projection Moiré Enhancement,” Experimental Mechanics 54(1): 35–43 (2014).

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Acknowledgments

The authors wish to express their sincere appreciation to Army Research Laboratory’s financial support, program manager Dr. Chian-Fong Yen’s encouragement, and Liuman Technologies’ technical assistance in instrumented projectile.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Michigan State University, East Lansing, MI, 48864, USA

    G. Li & D. Liu

  2. Liuman Technologies, Lansing, MI, USA

    D. Schleh

Authors
  1. G. Li
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  2. D. Liu
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  3. D. Schleh
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Corresponding author

Correspondence to G. Li.

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Li, G., Liu, D. & Schleh, D. An Innovative Instrumented Projectile for Measuring Impact-Induced Force History. Exp Tech 40, 1335–1339 (2016). https://doi.org/10.1007/s40799-016-0132-7

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  • DOI: https://doi.org/10.1007/s40799-016-0132-7

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