| Issue |
MATEC Web of Conferences
Volume 33, 2015
ESOMAT 2015 – 10th European Symposium on Martensitic Transformations
|
|
|---|---|---|
| Article Number | 03006 | |
| Number of page(s) | 6 | |
| Section | NiTi-based alloys | |
| DOI | https://doi.org/10.1051/matecconf/20153303006 | |
| Published online | 07 December 2015 | |
Adhesion at TiNi interfaces with Ta, Mo and Si
1 Institute of Strength Physics and Materials Science of Siberian Branch Russian Academy of Sciences, pr. Akademichesky 2/4, Tomsk 634055, Russia
2 National Research Tomsk State University, pr. Lenina 36, Tomsk 634050, Russia
a Corresponding author: kulkova@ms.tsc.ru
Atomic and electronic structure of (001) and (110) interfaces between TiNi and Ta, Mo, Si thin films are investigated by ab-initio method within density functional theory. It is shown that high adhesion properties can be attained at the Mo/TiNi(001)Ti interface, whereas the work of separation of Ta and Si films from alloy is substantial less. We found that the work of separation in case of (110) interface is lower than that at (001). Structural and electronic properties of considered interfaces are analysed. Our calculations of metal-oxide interfaces demonstrate that formation of intermediate titanium oxides layers can result in decrease of adhesion at Me/TiNi(110) interfaces.
© Owned by the authors, published by EDP Sciences, 2015
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