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Boundary Lubrication of Ceramic Materials by Soft Metallic Coatings and Synthetic Oil [Book Chapter]

Conference · · 4th International Symposium on Ceramic Materials and Components for Engines
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  1. Argonne National Laboratory (ANL), Argonne, IL (United States)
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Boundary lubrication of metallic materials often relies on surface reaction-generated films. This approach is intrinsically more difficult for ceramic materials because of their relatively lower chemical reactivity. The present study investigates the viability of boundary lubrication of ceramics by the use of a thin soft metallic film as a boundary film. Lubrication of Si3N4 and ZrO2 ceramics with coatings of Ag or Au prepared by Ion-Beam-Assisted Deposition (IBAD) and a polyol ester-based synthetic oil (with proprietary additives) was investigated. Through this method, the friction coefficient during sliding contact of ceramics was reduced (as low as 0.05) to the level that is obtained in most boundary-lubricated situations. Furthermore, wear was virtually eliminated. The method was found to be effective from room temperature up to 250°C.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Materials & Manufacturing Technologies Office (AMMTO)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
5692988
Report Number(s):
ANL/CP--72362; CONF-910617--2; ON: DE91014017; ISBN: 978-1-85166-776-5
Conference Information:
Journal Name: 4th International Symposium on Ceramic Materials and Components for Engines
Country of Publication:
United States
Language:
English

References (11)

Tribological Reaction Generated on Ceramic – Steel Couples Under Boundary Lubrication journal October 1990
Solid Lubrication of Ceramic Surfaces by IAD-Silver Coatings for Heat Engine Applications journal January 1990
Wear Perfomance of Ceramics in Ring/Cylinder Applications journal April 1989
Mechanism of reaction layer formation in boundary lubrication journal December 1984
Effect of film adhesion on tribological properties of silver-coated alumina journal December 1990
Friction and wear properties of monolithic silicon-based ceramics journal June 1985
Lead thin film lubrication journal April 1985
Sliding friction and wear of structural ceramics journal December 1985
Influence of lubricating oil additives on friction of ceramics under conditions of boundary lubrication journal March 1987
Mechanism of boundary lubrication with zinc dithiophosphate journal March 1979
Unlubricated sliding friction and wear of various Si3N4 pairs between 22° and 1000°C journal June 1990

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Related Subjects

36 MATERIALS SCIENCE
360203* -- Ceramics
Cermets
& Refractories-- Mechanical Properties
CHALCOGENIDES
COATINGS
DEPOSITION
ELEMENTS
FRICTION
GOLD
LUBRICANTS
LUBRICATING OILS
LUBRICATION
METALS
NITRIDES
NITROGEN COMPOUNDS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
PNICTIDES
PROTECTIVE COATINGS
SILICON COMPOUNDS
SILICON NITRIDES
SILVER
SURFACE COATING
TESTING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
WEAR
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES