A model for diffusion along a moving grain boundary Export

@article{citeulike:2982842, abstract = {A model of grain boundary (GB) diffusion along an isolated moving GB is proposed based on the Fisher model. The GB is assumed to move with a constant velocity v. Analytical solutions of the model are obtained, and methods of GB diffusion parameters determination in different experimental conditions are discussed. Application of conventional methods, like the 6/5-method, to moving GBs results in essentially (by a factor of about underestimated values of the product D'[delta]. For more correct estimation of D'[delta], the proposed exponential solution should be used in such cases. A detailed classification of kinetic regimes in a bicrystal, containing stationary and moving GBs, is introduced. A kinetic diagram, useful in designing GB diffusion experiments, is proposed.}, author = {Mishin, Yu and Razumovskii, I. M.}, citeulike-article-id = {2982842}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/0956-7151(92)90026-B}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B7599-48G7GB6-4J/1/2314cd783dff44f96feb25d77858790f}, doi = {10.1016/0956-7151(92)90026-B}, journal = {Acta Metallurgica et Materialia}, keywords = {diffusion, grain-boundary}, month = {April}, number = {4}, pages = {839--845}, posted-at = {2008-07-09 20:45:33}, priority = {2}, title = {A model for diffusion along a moving grain boundary}, url = {http://dx.doi.org/10.1016/0956-7151(92)90026-B}, volume = {40}, year = {1992} }

TY - JOUR ID - citeulike:2982842 L3 - citeulike-article-id:2982842 N2 - A model of grain boundary (GB) diffusion along an isolated moving GB is proposed based on the Fisher model. The GB is assumed to move with a constant velocity v. Analytical solutions of the model are obtained, and methods of GB diffusion parameters determination in different experimental conditions are discussed. Application of conventional methods, like the 6/5-method, to moving GBs results in essentially (by a factor of about underestimated values of the product D'[delta]. For more correct estimation of D'[delta], the proposed exponential solution should be used in such cases. A detailed classification of kinetic regimes in a bicrystal, containing stationary and moving GBs, is introduced. A kinetic diagram, useful in designing GB diffusion experiments, is proposed. IS - 4 JF - Acta Metallurgica et Materialia EP - 845 TI - A model for diffusion along a moving grain boundary VL - 40 SP - 839 KW - diffusion KW - grain-boundary AU - Mishin, Yu AU - Razumovskii, IM PY - 1992/04// UR - http://dx.doi.org/10.1016/0956-7151(92)90026-B ER -