Abstract
There is sufficient evidence that dynamic strain aging is a very significant factor in the deformation of commercial titanium in the intermediate temperature range (0.3–0.4)T m where T m is the melting temperature. In this paper the influence of dynamic strain aging on the apparent activation volume for deformation is examined on the basis of the published data available. The rapid increase in activation volume above about 0.3T m can be explained very well by the dynamic strain aging associated with oxygen atoms. The gradual decrease in activation volume below 200 K could result from a decrease in the Taylor factor with the increasing contribution of twinning.
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