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- Title
Grain Boundary Parting Limit during Dealloying.
- Authors
Noh, Kyong Wook; Tai, Kaiping; Mao, Shimin; Dillon, Shen J.
- Abstract
The role of chemistry in affecting dealloying along and across grain boundaries is investigated in nanocrystalline Ag–Au and Cu–Au. The microstructural evolution, through a combination of in situ and ex situ electron microscopy, is correlated with measurements of grain boundary chemistry via a statistical analysis. A critical concentration of segregated Au, 40%, inhibits grain boundary corrosion and strongly influences the microstructural evolution.
- Subjects
CRYSTAL grain boundaries; THIN films; ENERGY dispersive X-ray spectroscopy; SCANNING transmission electron microscopy; ALLOYS
- Publication
Advanced Engineering Materials, 2015, Vol 17, Issue 2, p157
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.201400179