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Tribological Performances of Some Piston Ring Materials Lubricated With Low Acidity Fuel Alcohol

[+] Author Affiliations
Liu Xiao, Shenghua Li

Logistical Engineer College, Chongqing, P. R. China

Wancheng Zhao, Yuansheng Jin

Tsinghua University, Beijing, P. R. China

Yucong Wang, Simon C. Tung

General Motors Corporation, Pontiac, MI

Paper No. WTC2005-63411, pp. 471-472; 2 pages
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME


The tribological performances of some current or candidate piston ring material\coatings named as CrN, WS2 , nitroded iron and B4 C against cast iron cylinder bores which were lubricated by the current Chinese fuel alcohol with low acidity which measured up GB18350-2001 for the Denatured Fuel Ethanol were researched by the SRV tester, SEM and EDX were used to observe the wear trace of the specimen surface, the width and depth of the specimen surface was measured also, the results of the experiments show that, alcohol with low acid can lubricate the materials some well while the adherence wear mainly take place. To the materials under the research, CrN shows the best tribological performance.

Copyright © 2005 by ASME



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