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Deformation structure development in Al and Cu single crystal on shock-wave loading up to 50 and 100 GPa

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Combustion, Explosion and Shock Waves Aims and scope

Conclusions

  1. 1.

    Cowans's estimate for the shock-wave pressure for which supercritical shear occurs is very much an underestimate, since the theoretical strength is dependent on the loading conditions.

  2. 2.

    Twinning is of low activity in copper on loading at 100 GPa because of the more rapid dislocation glide mechanism, which arises at many shear nucleation centers.

  3. 3.

    Specific structures have been examined in detail: disorientation bands, which are formed on unloading and are a form of adiabatic shear band.

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Authors
  1. M. A. Mogilevskii
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  2. L. S. Bushnev
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Additional information

Novosibirsk. Translated from Fizika Goreniya i Vzryva, Vol. 26, No. 2, pp. 95–102, March–April, 1990.

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Mogilevskii, M.A., Bushnev, L.S. Deformation structure development in Al and Cu single crystal on shock-wave loading up to 50 and 100 GPa. Combust Explos Shock Waves 26, 215–220 (1990). https://doi.org/10.1007/BF00742415

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  • DOI: https://doi.org/10.1007/BF00742415

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