| Title |
Tribocorrosion properties of nanocrystalline W-rich Co-W, Ni-W and Fe-W coatings / |
| Authors |
Tsyntsaru, N ; Vernickaitė, Edita ; Martínez Nogues, V ; Cesiulis, Henrikas |
| DOI |
10.15544/balttrib.2019.45 |
| Full Text |
|
| Is Part of |
Proceedings of 10th international scientific conference BALTTRIB 2019, Vytautas Magnus University, Agriculture Academy, Kaunas, Lithuania, 14-16 November 2019.. Kaunas : Vytautas Magnus University. 2019, p. 285-290.. eISSN 2424-5089 |
| Keywords [eng] |
electrodeposition ; tribocorrosion ; tungsten alloys ; wear |
| Abstract [eng] |
Electrodeposited binary tungsten-rich alloys with iron-group metals, namely Co, Ni and Fe, reveal great potential that makes them suitable as surface coatings for engineering materials. In this context, tribocorrosion plays an important role in the lifetime of such engineering materials e.g. metallic machinery components. In the present paper, the corrosion behaviour of electrodeposited ultra-nanocrystalline Co-32W, Ni-29W and Fe-31W (in at.%) was investigated by monitoring the open circuit potential (OCP) before and after the sliding against an alumina ball in 0.5 M Na3PO4 solution. The W-rich alloy coatings were compared in terms of friction coefficient during sliding; and wear track evaluation. Under the experimental conditions of the present study, the results showed that all investigated alloys are in active state and the corrosion resistance under sliding occurs through the dissolution of W and iron group metals along with the formation of oxides - wear debris on the contact surface. |
| Published |
Kaunas : Vytautas Magnus University |
| Type |
Conference paper |
| Language |
English |
| Publication date |
2019 |
| CC license |
|
