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The mechanism of the increase in penetration depth upon impact of a group of low-deformable spherical particles

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Russian Physics Journal Aims and scope

Divergent compression and rarefaction waves propagating in a target upon impact of a group low-deformable particles were numerically investigated to reveal the physical mechanisms of the increase in penetration depth. An original approach was used where a depression (crater) in a target simulated the result of impact of a previous particle. Repeated reflection of rarefaction waves from the depression wall, their arrival at the impact axis, and subsequent propagation deep in the target has been revealed. It has been supposed that these repeated rarefaction waves produces stage-by-stage local damage to the target material ahead of the particle followed by the formation of a cylindrical crack, and this eventually provides the increase in penetration depth observed in experiment.

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Authors and Affiliations

  1. Tomsk State University, Tomsk, Russia

    A. S. Zalepugin, S. A. Zalepugin & V. A. Skripnyak

  2. Department of Structural Macrokinetics of Tomsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

    S. A. Zalepugin

Authors
  1. A. S. Zalepugin
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  2. S. A. Zalepugin
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  3. V. A. Skripnyak
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Correspondence to S. A. Zalepugin.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 38–41, October, 2009.

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Zalepugin, A.S., Zalepugin, S.A. & Skripnyak, V.A. The mechanism of the increase in penetration depth upon impact of a group of low-deformable spherical particles. Russ Phys J 52, 1043–1046 (2009). https://doi.org/10.1007/s11182-010-9336-y

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  • DOI: https://doi.org/10.1007/s11182-010-9336-y

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