This work was financially supported by the National Natural Science Foundation of China (No.50428101), the Research GrantsCouncil of Hong Kong (B-Q471), the Hong Kong Polytechnic University (G-V851), and the U.S. National Science Foundation (DMR96-33719)
The two-dimensional diffusion of interstitial hydrogen atoms in zirconium in a non-uniform stress field was simulated using the phase-field method. The interaction between hydrogen interstitials and the stress field w...