Abstract
Specimens of high purity gold were deformed in liquid nitrogen. Their recrystallization temperature was compared with that of specimens quenched into different cooling liquids prior to deformation. Quenching resulted in a decrease of recrystallization temperature for medium excess vacancy concentrations and high annealing temperatures. Isotherms show that this effect is due to an enhancement in nucleation of new grains. For high excess vacancy concentrations and low annealing temperatures recrystallization is not accelerated due to precocious agglomeration of the vacancies. The effective activation energy of recovery processes after plastic deformation was determined to be Q ̄ = 0.85 ± 0.02 eV.
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