Abstract
An estimate of the climb motion of dislocation jogs is given, which takes into account the fact that dislocations are pipes of easy diffusion. The climb of dislocations under near-equilibrium conditions is then discussed. A new estimate is made of the jog concentration, for which vacancy equilibrium will be established along the entire dislocation. It is argued that the dislocation line tension is an important driving force both in high-temperature creep and in whisker dekinking. Under quench conditions it must be expected that a great number of jogs are nucleated at the nodes of the dislocation network.
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