NDLI: Evaluation of Near Frictionless Carbon Coatings Using Four-Ball Wear Tester

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Rai, A. K. Bhattacharya, R. S. Massey, M. Eryilmaz, O. L. Erdemir, A.
Copyright Year	2005
Abstract	Near frictionless carbon (NFC) coatings were deposited in a large-area filtered cathodic arc system by plasma-enhanced chemical vapor deposition. An NFC coating with carbon-enriched TiC bond layers was deposited on half inch diameter steel (M50) balls. The four-ball wear test was used to evaluate the performance of the NFC coating. The endurance limit of the NFC coating was determined by starting the wear test at a relatively low load and increasing the load by a fixed amount after a given time interval to a final load at which the friction force reached a certain level. The four-ball wear test was conducted in fully flooded, starved, and dry lubrication conditions. MIL-PRF-23699 oil was the lubricant. Test results indicated a much higher endurance limit for the NFC-coated balls compared to that of uncoated balls.
Sponsorship	Tribology Division
Starting Page	433
Ending Page	434
Page Count	2
File Format	PDF
ISBN	0791842029
DOI	10.1115/WTC2005-63867
e-ISBN	079183767X
Volume Number	World Tribology Congress III, Volume 2
Conference Proceedings	World Tribology Congress III
Language	English
Publisher Date	2005-09-12
Publisher Place	Washington, D.C., USA
Access Restriction	Subscribed
Subject Keyword	Nfc Endurance Four-ball wear test Carbon coating Filtered arc Coatings Wear testing Carbon Wear
Content Type	Text
Resource Type	Article

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