The critical size for a bubble pinned to a dislocation to continue motion has been evaluated. The result differs from earlier line-tension models. A statistical method for treating bubble coalescence has been developed in which bubble-size distribution is defined in terms of the number of gas atoms in a bubble on a logarithmic scale. Based on this method, a swelling and gas-release model is developed and discussed. The resulting model can be readily adapted to numerical computation.
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Li et al. (1970) studied this question.
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