Plastic deformation of CoO single crystals
Open Access
- 1 January 1980
- journal article
- Published by EDP Sciences in Revue de Physique Appliquée
- Vol. 15 (2) , 277-283
- https://doi.org/10.1051/rphysap:01980001502027700
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 temperatureKeywords
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