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The role of a thermally sprayed CuNiIn underlayer in the durability of a dry-film lubricant system in fretting: a phenomenological model

Barman, K.; Shipway, P.H.; Voisey, K.T.; Pattinson, G.

The role of a thermally sprayed CuNiIn underlayer in the durability of a dry-film lubricant system in fretting: a phenomenological model Thumbnail


Authors

K. Barman

KATY VOISEY katy.voisey@nottingham.ac.uk
Associate Professor

G. Pattinson



Abstract

Dry film lubricant coatings (DFL) are employed to reduce friction and damage in highly loaded contacts. Metallic underlayers, e.g. CuNiIn, can be beneficial however, there is no detailed explanation of the mechanism. This work investigates the effect of CuNiIn on fretting of a MoS2-based DFL in a cylinder-on-flat contact with a fretting amplitude of 300 µm. Two test types were run: 1. DFL without CuNiIn; 2. DFL on the cylindrical sample and DFL with CuNiIn underlayer on the flat sample. The CuNiIn increased the system’s durability. A phenomenological model highlighting the important low friction and highly wear resistant interfacial material is developed. The increased durability is ascribed to the high roughness of the CuNiIn onto which the DFL was deposited.

Citation

Barman, K., Shipway, P., Voisey, K., & Pattinson, G. (2018). The role of a thermally sprayed CuNiIn underlayer in the durability of a dry-film lubricant system in fretting: a phenomenological model. Tribology International, 123, https://doi.org/10.1016/j.triboint.2018.03.018

Journal Article Type Article
Acceptance Date Mar 18, 2018
Online Publication Date Mar 22, 2018
Publication Date Jul 31, 2018
Deposit Date Mar 19, 2018
Publicly Available Date Mar 28, 2024
Journal Tribology International
Print ISSN 0301-679X
Electronic ISSN 1879-2464
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 123
DOI https://doi.org/10.1016/j.triboint.2018.03.018
Keywords fretting; molybdenum disulphide; molybdenum disulphide; CuNiIn;
Public URL https://nottingham-repository.worktribe.com/output/948095
Publisher URL https://www.sciencedirect.com/science/article/pii/S0301679X18301610?via%3Dihub

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