The effect of annealing temperature on hydrogen solubilities in the dilute region (α phase) has been investigated for cold‐worked Pd‐Ag alloys containing from 5 to 40 atomic % Ag by measuring pressure‐composition isotherms between 273 and 348 K. These data have been correlated with changes in physical properties arising from the recoveries of lattice defects during annealing between 373 and 1073 K. It is found that the magnitude of the solubility enhancements for the alloys having the same degree of cold‐working decreases with increasing Ag content reaching zero at 40 atomic % Ag; this result suggests that the dislocation densities in Pd‐Ag alloys do not lead to concomitant solubility enhancements.
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