Solid lubrication with MoS2-Ti-C films for high-vacuum applications in a nuclear fusion experimental device
| Autor: | Heikki Handroos, Shanshuang Shi, Yuntao Song, Huapeng Wu |
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| Rok vydání: | 2018 |
| Předmět: |
Materials science
Tokamak Mechanical Engineering Ultra-high vacuum 02 engineering and technology engineering.material Tribology Sputter deposition 021001 nanoscience & nanotechnology 01 natural sciences 010305 fluids & plasmas Surfaces Coatings and Films law.invention General Energy Coating law 0103 physical sciences Forensic engineering Lubrication engineering Nuclear fusion Deposition (phase transition) Composite material 0210 nano-technology |
| Zdroj: | Industrial Lubrication and Tribology. 70:155-160 |
| ISSN: | 0036-8792 |
| Popis: | Purpose This paper aims to present a study on composite coating films for solid lubrication applied on the surface of bearings and gears, which are exposed to the vacuum vessel of a tokamak fusion experimental device running under ultra-high vacuum conditions. Experimental advanced superconducting tokamak is a tokamak fusion experimental device running under ultra-high vacuum conditions. To avoid polluting the inner vessel environment, solid lubrication has been applied on the surface of bearings and gears, which are exposed to the vacuum. Design/methodology/approach Anti-friction MoS2 coatings integrated with Titanium and Carbon have been developed using the multi-target magnetron sputtering deposition technique. This paper presents the comparative testing of tribological properties for three kinds of MoS2-based coating layers. Findings Based on the test results, MoS2-Ti-C coating films are supposed to be the final selection because of the better performance of friction coefficient and lubrication longevity. Originality/value Finally, the detailed information has been characterized for the hybrid coatings, which can provide some references for applications of solid lubrications under similar conditions of high vacuum and temperature. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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