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A Study of Three Layer Copper-Lead Bearings Without Nickel Barrier
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English
Abstract
The advent of high-performance, compact, and lightweight engines in recent years brings forth a tendency to increase the load for engine bearings and demands on producing even higher levels of durability and reliability in bearing products against fatigue, seizure, wear, and corrosion.
Based on the perspective of extending the bearing life, the authors have studied the problems that are encountered with the current three layer copper-lead alloy bearings after their overlay has worn out. Then, we studied the issues of lowered seizure resistance that results from the exposure of the nickel barrier, and of deficient corrosion resistance that results from the exposure of the bearing alloy. In order to improve upon these areas, we focused on diffusion phenomenon of overlay elements without the nickel barrier and also studied the feasibility of creating engine bearings whose alloy composition has been partially modified.
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Authors
Citation
Higuchi, T., Sato, Y., Yamada, T., and Ozaki, K., "A Study of Three Layer Copper-Lead Bearings Without Nickel Barrier," SAE Technical Paper 970214, 1997, https://doi.org/10.4271/970214.Also In
References
- Kenji M et al “Anti-seizure Properties of Bearing in Heavy-Duty Diesel Engine” SAE paper 910890
- Koichi Y et al “Development of Three Layers Copper-Lead Bearings for Higher Speed Automotive Engine” SAE paper 910890
- Subramanyan P.K. “The Internal Chemical Changes and the Role of Nickel Barrier in Sleeve Bearings” ASME 1992
- Junge C.H. “Microstructure of Sleeve Bearing Materials” Metal Hand Book 8th 7 ASM 1972 231
- Masaaki S et al “Diffusion Behavior of Overlay for Three Layers Engine Bearings” SAE paper 890555
- “Method for Measuring on Adhesive Strength of a Multi-Layer Material” 1985