With the development of advanced engine technologies, which includes direct injected, turbo-charged, variable valve timed, flex-fuel, hybrid start-stop cycles and a general downsizing of engine architectures, bearing surface areas have decreased and connecting rod loading has increased. As a result, modern bearings experience decreased oil film thickness, more frequent non-hydrodynamic lubrication periods and higher surface sliding speeds. Subsequently, bearing applications demand an increase in fatigue and scuffing resistance. In response to this, two new complementary material developments are documented: one a new aluminum based lining material, the other a polymeric surface layer. The new lining material, called A-650, was developed to have improved fatigue strength relative to existing Al engine bearing lining options. Results for rig testing of fatigue and seizure resistance properties are provided, along with engine test evaluations using multiple fuels. The polymeric surface layer, a polyamideimide based resin called IROX™, is intended as a durable surface coating providing exceptional wear and seizure resistance under high sliding speed and start-stop conditions. Furthermore, an increase of the specific load capacity is achieved with aluminum based substrates. A description of the material, with test results, is included.
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ASME 2010 Internal Combustion Engine Division Fall Technical Conference
September 12–15, 2010
San Antonio, Texas, USA
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
978-0-7918-4944-6
PROCEEDINGS PAPER
Development of Engine Bearing Solutions for New High Output Automotive Engines
David Saxton,
David Saxton
Federal-Mogul Corp., Plymouth, MI
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Troy Kantola,
Troy Kantola
Federal-Mogul Corp., Plymouth, MI
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Achim Adam,
Achim Adam
Federal-Mogul Wiesbaden GmbH, Wiesbaden, Hessen, Germany
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Maik Wilhelm,
Maik Wilhelm
Federal-Mogul Wiesbaden GmbH, Wiesbaden, Hessen, Germany
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Karl-Heinz Lindner
Karl-Heinz Lindner
Federal-Mogul Wiesbaden GmbH, Wiesbaden, Hessen, Germany
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David Saxton
Federal-Mogul Corp., Plymouth, MI
Troy Kantola
Federal-Mogul Corp., Plymouth, MI
Achim Adam
Federal-Mogul Wiesbaden GmbH, Wiesbaden, Hessen, Germany
Maik Wilhelm
Federal-Mogul Wiesbaden GmbH, Wiesbaden, Hessen, Germany
Karl-Heinz Lindner
Federal-Mogul Wiesbaden GmbH, Wiesbaden, Hessen, Germany
Paper No:
ICEF2010-35114, pp. 937-947; 11 pages
Published Online:
January 10, 2011
Citation
Saxton, D, Kantola, T, Adam, A, Wilhelm, M, & Lindner, K. "Development of Engine Bearing Solutions for New High Output Automotive Engines." Proceedings of the ASME 2010 Internal Combustion Engine Division Fall Technical Conference. ASME 2010 Internal Combustion Engine Division Fall Technical Conference. San Antonio, Texas, USA. September 12–15, 2010. pp. 937-947. ASME. https://doi.org/10.1115/ICEF2010-35114
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