Effect of humidity on friction of carbon nitride coatings under N 2 gas lubrication

Koshi Adachi; Naoya Sodeyama; Koji Kato

doi:10.1115/wtc2005-64275

Effect of humidity on friction of carbon nitride coatings under N ₂ gas lubrication

Koshi Adachi, Naoya Sodeyama, Koji Kato

ENG - Mechanical Systems Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

7 Citations (Scopus)

Abstract

The effect of humidity on friction properties of carbon nitride (CNx) in nitrogen (N₂) atmosphere were investigated by using a ball-on-disk tribo-tester in atmospheres with controlled humidity and oxygen concentration. It was concluded that friction coefficient in the combination of CNx/CNx and Si₃N₄/CNx in N₂ gas atmosphere were reduced from the order of 0.1 to 0.01 by decreasing of humidity from 40 %RH to 0 %RH when the O₂ concentration is kept below 100 ppm. Further, stability of low friction of CNx/CNx in N₂ gas atmosphere was confirmed experimentally. The frictional pair of CNx/CNx provided low and a stable friction coefficient of 0.01 in 99.9% nitrogen gas condition under low relative humidity of 2% or less.

Original language	English
Title of host publication	Proceedings of the World Tribology Congress III - 2005
Publisher	American Society of Mechanical Engineers
Pages	519-520
Number of pages	2
ISBN (Print)	0791842029, 9780791842027
DOIs	https://doi.org/10.1115/wtc2005-64275
Publication status	Published - 2005
Event	2005 World Tribology Congress III - Washington, D.C., United States Duration: 2005 Sept 12 → 2005 Sept 16

Publication series

Name	Proceedings of the World Tribology Congress III - 2005

Other

Other	2005 World Tribology Congress III
Country/Territory	United States
City	Washington, D.C.
Period	05/9/12 → 05/9/16

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.1115/wtc2005-64275

Cite this

Effect of humidity on friction of carbon nitride coatings under N ₂ gas lubrication. / Adachi, Koshi; Sodeyama, Naoya; Kato, Koji.
Proceedings of the World Tribology Congress III - 2005. American Society of Mechanical Engineers, 2005. p. 519-520 (Proceedings of the World Tribology Congress III - 2005).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Adachi, K, Sodeyama, N & Kato, K 2005, Effect of humidity on friction of carbon nitride coatings under N ₂ gas lubrication. in Proceedings of the World Tribology Congress III - 2005. Proceedings of the World Tribology Congress III - 2005, American Society of Mechanical Engineers, pp. 519-520, 2005 World Tribology Congress III, Washington, D.C., United States, 05/9/12. https://doi.org/10.1115/wtc2005-64275

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abstract = "The effect of humidity on friction properties of carbon nitride (CNx) in nitrogen (N2) atmosphere were investigated by using a ball-on-disk tribo-tester in atmospheres with controlled humidity and oxygen concentration. It was concluded that friction coefficient in the combination of CNx/CNx and Si3N4/CNx in N2 gas atmosphere were reduced from the order of 0.1 to 0.01 by decreasing of humidity from 40 %RH to 0 %RH when the O2 concentration is kept below 100 ppm. Further, stability of low friction of CNx/CNx in N2 gas atmosphere was confirmed experimentally. The frictional pair of CNx/CNx provided low and a stable friction coefficient of 0.01 in 99.9% nitrogen gas condition under low relative humidity of 2% or less.",

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AU - Adachi, Koshi

AU - Sodeyama, Naoya

AU - Kato, Koji

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N2 - The effect of humidity on friction properties of carbon nitride (CNx) in nitrogen (N2) atmosphere were investigated by using a ball-on-disk tribo-tester in atmospheres with controlled humidity and oxygen concentration. It was concluded that friction coefficient in the combination of CNx/CNx and Si3N4/CNx in N2 gas atmosphere were reduced from the order of 0.1 to 0.01 by decreasing of humidity from 40 %RH to 0 %RH when the O2 concentration is kept below 100 ppm. Further, stability of low friction of CNx/CNx in N2 gas atmosphere was confirmed experimentally. The frictional pair of CNx/CNx provided low and a stable friction coefficient of 0.01 in 99.9% nitrogen gas condition under low relative humidity of 2% or less.

AB - The effect of humidity on friction properties of carbon nitride (CNx) in nitrogen (N2) atmosphere were investigated by using a ball-on-disk tribo-tester in atmospheres with controlled humidity and oxygen concentration. It was concluded that friction coefficient in the combination of CNx/CNx and Si3N4/CNx in N2 gas atmosphere were reduced from the order of 0.1 to 0.01 by decreasing of humidity from 40 %RH to 0 %RH when the O2 concentration is kept below 100 ppm. Further, stability of low friction of CNx/CNx in N2 gas atmosphere was confirmed experimentally. The frictional pair of CNx/CNx provided low and a stable friction coefficient of 0.01 in 99.9% nitrogen gas condition under low relative humidity of 2% or less.

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