Abstract
The high-temperature creep rate is directly related to low concentration of minority point defects. After suddenly changing a thermodynamic condition, we have followed the kinetics of re-equilibration of minority point defects which are oxygen interstitials in CoO. We have found that the kinetics are identical to that of the chemical diffusion controlled by the migration of majority point defects. The microstructure due to deformation was not found to noticeably influence the point defect diffusivity.
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