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Plastic deformation of CoO single crystals

Authors
  • Castaing, J.
  • Spendel, M.
  • Philibert, J.
  • Dominguez Rodriguez, A.
  • Marquez, R.
Publication Date
Jan 01, 1980
Source
HAL
Keywords
Language
English
License
Unknown
External links

Abstract

Constant strain rate compressions along < 001 > have been performed on CoO single crystals (ε ∼ 6 x 10-5 s-1). Yield stresses and work hardening rates have been measured between 77 K and 1 400 K; CoO is very strong when compared to similar compounds. Vickers indentations have been performed on { 100 }, { 110 } and {111 } faces around the Néel temperature, i.e. between 0 °C and 40 °C. Hardness values are low if compared to constant strain rate deformation characteristics; they show a minor anomaly at the Néel temperature.

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