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Shock-wave-induced grain refinement and phase state modification in coarse-grained and nanocrystalline titanium

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Abstract

We have experimentally studied the structure and phase variations in polycrystalline titanium stimulated by stepwise shock compression at pressures up to 40 GPa with subsequent unloading. The experiments were performed on samples of commercial titanium (VT1-0 grade) in a broad range of initial grain sizes (0.2–50 μm). The phenomenon of grain refinement and phase composition variation in titanium under stepwise shock-wave action has been studied by transmission and scanning electron microscopy techniques. Specific features of these changes are discussed.

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    Yu. R. Kolobov, S. S. Manokhin, A. Yu. Kolobova, Yu. E. Kudymova, A. A. Golyshev, A. M. Molodets & R. A. Andrievskii

  2. Belgorod State University, Belgorod, 308034, Russia

    Yu. R. Kolobov, S. S. Manokhin & Yu. E. Kudymova

  3. National University of Science and Technology MISiS, Moscow Institute of Steel and Alloys, Moscow, 119049, Russia

    A. Yu. Kolobova

  4. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    V. I. Betekhtin

Authors
  1. Yu. R. Kolobov
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  2. S. S. Manokhin
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  3. A. Yu. Kolobova
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  4. Yu. E. Kudymova
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  5. V. I. Betekhtin
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  6. A. A. Golyshev
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  7. A. M. Molodets
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  8. R. A. Andrievskii
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Corresponding author

Correspondence to Yu. R. Kolobov.

Additional information

Original Russian Text © Yu.R. Kolobov, S.S. Manokhin, A.Yu. Kolobova, Yu.E. Kudymova, V.I. Betekhtin, A.A. Golyshev, A.M. Molodets, R.A. Andrievskii, 2016, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2016, Vol. 42, No. 18, pp. 63–71.

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Kolobov, Y.R., Manokhin, S.S., Kolobova, A.Y. et al. Shock-wave-induced grain refinement and phase state modification in coarse-grained and nanocrystalline titanium. Tech. Phys. Lett. 42, 959–962 (2016). https://doi.org/10.1134/S1063785016090200

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  • DOI: https://doi.org/10.1134/S1063785016090200

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