Studies on Lead-free Resin Overlay for Engine Bearings
Date Published: 2006-04-03
Paper Number:2006-01-1104
DOI: 10.4271/2006-01-1104
Citation:
Tanaka, T., Naka, I., Abe, T., Ono, A. et al., "Studies on Lead-free Resin Overlay for Engine Bearings," SAE Technical Paper 2006-01-1104, 2006, doi:10.4271/2006-01-1104.
Resin-based overlays as lead-free bearing materials for automobile engines are experimentally studied using tribology testing apparatus and an engine bench test rig.
A resin overlay newly proposed is composed of Polybenzimidazole (PBI) as the base resin and solid lubricant Molybdenum disulfide (MoS
2
) as an additive. PBI has high temperature performance and good adhesion and physical strength under higher temperatures. Consequently, a PBI-based overlay has good sliding properties in terms of wear resistance and fatigue resistance. The resin overlay shows applicability to automobile engine bearings which are used under high loads.
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