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Threshold Modes of Dynamic Deformation of 1565 Aluminum Alloy

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Abstract

To identify threshold structuring regimes, two series of tests of 1565 aluminum alloy were conducted in the speed range of 250–750 m/s: impact tests under uniaxial deformation and penetration of impactors. Comparison of the results of both series of tests enables the separation of the drag in the interaction of an elongated impactor with a target from the friction resistance with its side part. The structuring scale changes twice on the lateral surface of the cavity—at speeds of 400 and 623.3 m/s—and the second structuring threshold almost coincides with the same threshold under loading under uniaxial deformation.

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Authors and Affiliations

  1. Institute for Problems of Mechanical Engineering, Russian Academy of Sciences, 199178, St. Petersburg, Russia

    A. K. Divakov, N. I. Zhigacheva, G. V. Konovalov & Yu. I. Meshcheryakov

  2. Central Research Institute of Structural Materials “Prometey,” National Reseearch Center “Kurchatov Institute”, 191015, St. Petersburg, Russia

    E. P. Osokin

Authors
  1. A. K. Divakov
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  2. N. I. Zhigacheva
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  3. G. V. Konovalov
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  4. Yu. I. Meshcheryakov
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  5. E. P. Osokin
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Corresponding author

Correspondence to Yu. I. Meshcheryakov.

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Translated by O. Zhukova

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Divakov, A.K., Zhigacheva, N.I., Konovalov, G.V. et al. Threshold Modes of Dynamic Deformation of 1565 Aluminum Alloy. Tech. Phys. Lett. 45, 218–220 (2019). https://doi.org/10.1134/S1063785019030052

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  • DOI: https://doi.org/10.1134/S1063785019030052

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