Low Frictional TiO2 and MoS2/TiO2 Coatings on Ti-6Al-4V Alloy

Tse Cheng; Zhi Jing Peng; Xueyuan Nie

doi:10.4028/www.scientific.net/AMR.496.334

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 496Low Frictional TiO2 and MoS2/TiO2 Coatings on...

Low Frictional TiO₂ and MoS₂/TiO₂ Coatings on Ti-6Al-4V Alloy

Abstract:

TiO2 and MoS2/TiO2 coatings were prepared using a Plasma Electrolytic Oxidation (PEO) process at a unipolar pulsed-DC mode. Both coatings, mainly comprised of anatase TiO2, exhibited a low coefficient of friction, C.O.F < 0.21 for the TiO2 coating and C.O.F < 0.16 for the MoS2/TiO2 coating, while the MoS2/TiO2 coating had a longer wear life than TiO2-coated and uncoated Ti alloy (Ti-6Al-4V). This result showed that the solid lubricant MoS2 may play a significant role in the tribological behavior and it can be applied to many high load-bearing systems in aerospace and automotive industries.

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Periodical:

Advanced Materials Research (Volume 496)

Pages:

334-338

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.496.334

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Online since:

March 2012

Authors:

Tse Cheng, Zhi Jing Peng, Xueyuan Nie

Keywords:

Coefficient of Friction, MoS₂, Plasma Electrolytic Oxidation (PEO), TiO₂, Wear

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