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MODELING OF THE COALESCENCE OF GAS PORES DURING ANNEALING...

by A. M. Ovcharenko, I. I. Chernov, Stanislav I Golubov
Publication Type
Journal
Journal Name
Atomic Energy
Publication Date
Page Numbers
385 to 395
Volume
109
Issue
6

The kinetics of the coalescence of gas bubbles under the conditions of high-temperature annealing is modeled. The case where the growth of gas pores is controlled by thermal dissolution of gas atoms from bubbles is examined. The modeling is performed by solving the basic kinetic equation numerically. The numerical calculations are compared with the results of an analytical model which describes the asymptotic behavior of the gas pores. The time characteristics of the process which are obtained in this work are at variance with the results of the analytical model. The discrepancies found are discussed.