... RECENTLY Aust et al.' proposed a model of non- equilibrium grain boundary segregation based on a vacancy gradient induced uphill diffusion process of solute to ...
... THE existence of defect structures of the vacancy type in alloys in which the excess vacancies have an electronic rather than a thermal or mechanical, and so ...
... Since substitutional diffusion is presumed to proceed by the vacancy mechanism, it has been variously suggested that the increase in activation energy below ...
Page 1. A Vacancy-Flux Effect in Diffusion in Metallic Systems ... Manuscript submitted August 18, 1965. IMD net vacancy flux, J,. The latter quantity, of course, ...
... of dislocation climb which is dependent on the product of the number of vacancies present per unit volume, rt,, and the probability of an atom- vacancy exchange ...
