Elsevier

Scripta Materialia

Volume 173, December 2019, Pages 46-50
Scripta Materialia

Competition for impurity atoms between defects and solid solution during high pressure torsion

https://doi.org/10.1016/j.scriptamat.2019.08.001Get rights and content

Abstract

During high-pressure torsion (HPT) the dynamic equilibrium establishes with a certain steady-state composition of the solid solution along with the grain refinement by a factor of more than thousand. The formation of such HPT steady-state in copper alloys with Co, Ag and In has been studied. If precipitates of a second phase were present in the sample before HPT, their dissolution led to the enrichment in the (Cu) matrix solid solution. If precipitates of a second phase were absent, the HPT led to the depletion in the (Cu) matrix due to the segregation in newly formed defects like grain boundaries.

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Acknowledgements

The authors thank Delphine Chassaing for the preparation of APT samples. This work was partially supported by Ministry of Education and Science of the Russian Federation in the framework of the Program to Increase the Competitiveness of NUST “MISiS”, the National Science Centre of Poland (grant OPUS 2014/13/B/ST8/04247), by the Russian Foundation for Basic Research (grant 18-03-00067). The part of research has been performed within the Accredited Testing Laboratories with certificate No. AB 120

References (64)

  • B.B. Straumal et al.

    Mater. Lett.

    (2014)
  • B.B. Straumal et al.

    Acta Mater.

    (2017)
  • B. Straumal et al.

    Acta Mater.

    (2008)
  • B.B. Straumal et al.

    J. Alloys Comp.

    (2017)
  • N. Lugo et al.

    Mater. Sci. Eng. A

    (2008)
  • J. Čížek et al.

    Acta Mater.

    (2011)
  • A. Subramaniam et al.

    Mater. Sci. Eng. A

    (2006)
  • P.R. Cantwell et al.

    Acta Mater.

    (2014)
  • B.B. Straumal et al.

    J. Eur. Ceram. Soc.

    (2009)
  • B.B. Straumal et al.

    Mater. Letters

    (2015)
  • D. Gaertner et al.

    Acta Mater.

    (2017)
  • A. Heinrich et al.

    Mater. Sci. Eng. A

    (2003)
  • B.B. Straumal et al.

    Acta Mater.

    (2008)
  • S.V. Divinski et al.

    Acta Mater.

    (2001)
  • H. Edelhoff et al.

    Scripta Mater.

    (2011)
  • A. Kwiatkowski da Silva et al.

    Acta Mater.

    (2017)
  • S.J. Dillon et al.

    Curr. Opin. Solid State Mater. Sci.

    (2016)
  • D. Raabe et al.

    Curr. Opin. Solid State Mater. Sci.

    (2014)
  • X. Sauvage et al.

    Mater. Sci. Eng. A

    (2012)
  • B.B. Straumal et al.

    Mater. Lett.

    (2015)
  • J.M. Rickman et al.

    Surf. Sci.

    (2013)
  • A. Kirchner et al.

    Scripta Mater.

    (2011)
  • M.M. Gong et al.

    J. Alloys Comp.

    (2016)
  • M. Menyhard et al.

    Mater

    (1994)
  • B. Straumal et al.

    Arch. Civil Mech. Eng.

    (2014)
  • L.-S. Chang et al.

    Scripta mater.

    (1997)
  • L.-S. Chang et al.

    Forum

    (1998)
  • E.I. Rabkin et al.

    Int. J. Mod. Phys. B

    (1991)
  • W.D. Kaplan et al.

    J. Mater. Sci.

    (2013)
  • J. Hickman et al.

    Phys. Rev. B

    (2016)
  • F. Berthier et al.

    Phys. Rev. B

    (2002)
  • S.V. Divinski et al.

    Phys. Rev. B

    (2012)
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