1980
DOI: 10.1051/jphyslet:01980004105011900
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Point defects and high temperature creep of NiO single crystals

Abstract: NiO single crystals have been crept in compression between 1 070 °C and 1 550 °C for stresses in the range 10 MPa-150 MPa. Oxygen partial pressures were varied between 10-5 atm. and air. The steady state creep rate seems to depend on the concentration of oxygen vacancies V"O, in agreement with an oxygen diffusion controlled creep mechanism

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Cited by 11 publications
(1 citation statement)
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“…7'19 However, for CoO, FeO, MnO and NiO, the cation defects dominate and the minority defects, of either oxygen vacancies or interstitials, control the creep rates. 11,12,14,19,[21][22][23] It can be presumed by analogy that oxygen defects move more slowly than cation defects in CuO and, therefore, control creep; oxygen ions are larger than copper ions. 15…”
Section: Dicussionmentioning
confidence: 99%
“…7'19 However, for CoO, FeO, MnO and NiO, the cation defects dominate and the minority defects, of either oxygen vacancies or interstitials, control the creep rates. 11,12,14,19,[21][22][23] It can be presumed by analogy that oxygen defects move more slowly than cation defects in CuO and, therefore, control creep; oxygen ions are larger than copper ions. 15…”
Section: Dicussionmentioning
confidence: 99%