High-temperature vapor phase lubrication using carbonaceous gases

Nicolas Argibay; James H. Keith; Brandon A. Krick; D. W. Hahn; Gerald R. Bourne; W. Gregory Sawyer

doi:10.1007/s11249-009-9514-7

High-temperature vapor phase lubrication using carbonaceous gases

Nicolas Argibay, James H. Keith, Brandon A. Krick, D. W. Hahn, Gerald R. Bourne, W. Gregory Sawyer

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Following the pioneering work of Prof. James Lauer, the ability to provide continuous solid lubrication through vapor phase delivery of carbonaceous gases has been successfully demonstrated on a pin-on-disk contact at the temperatures of 650 °C. Results from tribological experiments under 2 N normal load and 50 mm/s sliding speed showed an over 20× reduction in friction coefficient. The samples were silicon nitride (pin) versus CMSX-4 (disk) and the experiments when run in a nitrogen environment with acetylene admixtures. Two repeat experiments gave average friction coefficients of μ = 0.03 and μ = 0.02. The process was robust and provided low friction for the entire 500 m of sliding. Using focused ion-beam milling, high-resolution transmission electron microscopy, and confocal Raman spectroscopy, the resulting solid lubricant was found to be oriented microcrystalline graphite.

Original language	English (US)
Pages (from-to)	3-9
Number of pages	7
Journal	Tribology Letters
Volume	40
Issue number	1
DOIs	https://doi.org/10.1007/s11249-009-9514-7
State	Published - Oct 2010
Externally published	Yes

Keywords

High-temperature tribology
Solid lubrication
Vapor phase lubrication

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

Access to Document

10.1007/s11249-009-9514-7

Cite this

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title = "High-temperature vapor phase lubrication using carbonaceous gases",

abstract = "Following the pioneering work of Prof. James Lauer, the ability to provide continuous solid lubrication through vapor phase delivery of carbonaceous gases has been successfully demonstrated on a pin-on-disk contact at the temperatures of 650 °C. Results from tribological experiments under 2 N normal load and 50 mm/s sliding speed showed an over 20× reduction in friction coefficient. The samples were silicon nitride (pin) versus CMSX-4 (disk) and the experiments when run in a nitrogen environment with acetylene admixtures. Two repeat experiments gave average friction coefficients of μ = 0.03 and μ = 0.02. The process was robust and provided low friction for the entire 500 m of sliding. Using focused ion-beam milling, high-resolution transmission electron microscopy, and confocal Raman spectroscopy, the resulting solid lubricant was found to be oriented microcrystalline graphite.",

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AU - Argibay, Nicolas

AU - Keith, James H.

AU - Krick, Brandon A.

AU - Hahn, D. W.

AU - Bourne, Gerald R.

AU - Sawyer, W. Gregory

PY - 2010/10

Y1 - 2010/10

N2 - Following the pioneering work of Prof. James Lauer, the ability to provide continuous solid lubrication through vapor phase delivery of carbonaceous gases has been successfully demonstrated on a pin-on-disk contact at the temperatures of 650 °C. Results from tribological experiments under 2 N normal load and 50 mm/s sliding speed showed an over 20× reduction in friction coefficient. The samples were silicon nitride (pin) versus CMSX-4 (disk) and the experiments when run in a nitrogen environment with acetylene admixtures. Two repeat experiments gave average friction coefficients of μ = 0.03 and μ = 0.02. The process was robust and provided low friction for the entire 500 m of sliding. Using focused ion-beam milling, high-resolution transmission electron microscopy, and confocal Raman spectroscopy, the resulting solid lubricant was found to be oriented microcrystalline graphite.

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KW - High-temperature tribology

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KW - Vapor phase lubrication

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High-temperature vapor phase lubrication using carbonaceous gases

Abstract

Keywords

ASJC Scopus subject areas

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