English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Impurity diffusion coefficients are entirely obtained from a low costclassical molecular statics technique (CMST). In particular, we show how CMSTis appropriate in order to describe the impurity diffusion behavior mediated bya vacancy mechanism. In the context of the five-frequency model, CMST allows tocalculate all the microscopic parameters, namely: the free energy of vacancyformation, the vacancy-solute binding energy and the involved jump frequencies,from them, we obtain the macroscopic transport magnitudes such as: correlationfactor, solvent-enhancement factor, Onsager and diffusion coefficients.Specifically, we perform our calculations in f.c.c. diluted Ni-Al and Al-Ualloys. Results for the tracer diffusion coefficients of solvent and solutespecies are in agreement with available experimental data for both systems. Weconclude that in Ni-Al and Al-U systems solute atoms migrate by directinterchange with vacancies in all the temperature range where there areavailable experimental data. In the Al-U case, a vacancy drag mechanism couldoccur at temperatures below 550K.

Diffusion behavior in Nickel-Aluminium and Aluminium-Uranium diluted alloys