Engine Bearing Overlays: The Effect of Overlay Composition on Diffusion and Post-Diffusion Bearing Performance Federal-Mogul Corporation Engine and Transmission Products Group

Format:

Conference/Event

Author/Creator:

Pratt, G. C., author.

Conference Name:

SAE International Congress & Exposition (1983-02-28 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1983

Summary:

At engine temperature the loss of tin and copper from the overlay of lead-tin overlay plated crankshaft bearings can result in a corrosion prone overlay and a reduction in bearing life. A nickel barrier between the overlay and the lining offers only a partial solution to the problem.New data for the effect on diffusion rate of the original tin and copper contents of lead-tin-copper overlays have been obtained. Interactions between the tin and copper have a major effect on diffusion rate, as do the choice of barrier and its quality. The mechanisms operating during diffusion are illustrated by x-ray maps obtained on the scanning electron microscope.Data for the post-diffusion corrosion and cavitation erosion resistance of overlays have been obtained. The results demonstrate the importance of heat-treatment at engine temperature prior to the assessment of overlay performance

Notes:

Vendor supplied data

Publisher Number:

830063

Access Restriction:

Restricted for use by site license