Article ID Journal Published Year Pages File Type
7894622 Corrosion Science 2016 10 Pages PDF
Abstract
The structures of the clean and oxygen atoms adsorbed austenite NiTi(1 1 0) surfaces were studied by the use of density functional theory. The results showed that the most stable sites for the adsorption of oxygen atoms were those with more Ti atoms as their nearest neighbours. Furthermore, the phase diagram of NiTi(1 1 0) surface was built. It showed that the adsorption of oxygen atoms on NiTi(1 1 0) surface can cause the segregation of Ti atoms at the surface and lead to the selective oxidation of Ti atoms on NiTi(1 1 0) surface when the oxygen chemical potential was high enough.
Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
Authors
, , ,