Novel Processing for Combined Coatings with Dry Lubrication Ability

Garlow, R.; Scherer, D.

doi:10.1002/9781118370872.ch11

Cited by 2 publications

(2 citation statements)

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“…Based on the extensive effort exerted in Refs. [27][28][29][30][31][32][33], there are four methods to combine MoS 2 with the thermally sprayed ceramic coatings:…”

Section: Introduction mentioning

confidence: 99%

“…(3) MoS 2 is directly applied to a coating surface by brushing or impregnation [31,32]. Although a composite coating obtained by this method does not significantly impair the mechanical properties, the adhesion between the lubricant and the coating is weak, and an impregnation depth is limited (< 10 μm), thereby resulting in insufficient lubrication for long periods.…”

Section: Introduction mentioning

confidence: 99%

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In-situ preparation of robust self-lubricating composite coating from thermally sprayed ceramic template

Wu¹,

Li²,

Fan³

et al. 2023

Journal of Advanced Ceramics

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The self-lubricating ceramic coatings that can control friction and wear have attracted researchers' widespread attention. However, the poor interfacial bonding between lubricants and ceramics and the deterioration of mechanical properties due to a tribological design limit their practical applications. Here, a robust self-lubricating coating was fabricated by an in-situ synthesis of MoS 2 /C within inherent defects of thermally sprayed yttria-stabilized zirconia (YSZ) coatings. The edge-pinning by noncoherent endows hybrid coatings with excellent interfacial strength, increasing their hardness (HV) and cohesive strength. Furthermore, owing to the formation of a well-covered robust lubricating film at a frictional interface, a coefficient of friction (COF) can be reduced by 79.6% to 0.15, and a specific wear rate (W) drops from 1.36×10 −3 to 6.27×10 −7 mm 3 •N −1 •m −1 . Combining outstanding mechanical properties and tribological performance, the hybrid coating exhibits great application potential in controlling friction and wear. Importantly, this strategy of introducing the target materials into the inherent defects of the raw materials to improve the relevant properties opens new avenues for the design and preparation of composite materials.

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“…Based on the extensive effort exerted in Refs. [27][28][29][30][31][32][33], there are four methods to combine MoS 2 with the thermally sprayed ceramic coatings:…”

Section: Introduction mentioning

confidence: 99%

Section: Introduction mentioning

confidence: 99%