Stacking-Fault Energy in Dilute Silver Alloys from Extended Node Measurements

Extended node measurements have been made on alloys of Ag–Zn, Ag–Al, Ag–Mg, Ag–Ge, and Ag–Au with electron-to-atom ratio up to 1.06. In all cases, the magnitude of the stacking-fault energy was found to be the same within±15% of that in pure silver. This result is in conflict with recently published...

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Bibliographic Details
Published in:Journal of applied physics 1968-01, Vol.39 (1), p.160-162
Main Author: Gallagher, P. C. J.
Format: Article
Language:English
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Summary:Extended node measurements have been made on alloys of Ag–Zn, Ag–Al, Ag–Mg, Ag–Ge, and Ag–Au with electron-to-atom ratio up to 1.06. In all cases, the magnitude of the stacking-fault energy was found to be the same within±15% of that in pure silver. This result is in conflict with recently published data obtained using the τ3 method, but follows the same pattern as other recent node work on dilute alloys in the Ag–In and Ag–Sn series. The present findings, together with other comparisons between results from the direct observation of defects and those from the τ3 method, suggest that under some circumstances values of the stacking-fault energy determined by the τ3 method must be considered unreliable.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1655725