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Tribological Wear Analysis of Bronze-Alloy for Bearing Application

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Abstract:

The performance and reliability of sliding bearings are strongly influenced by the tribological properties of the materials employed. In the present study, the wear behavior of a bronze alloy was investigated under lubricated conditions using SAE 20W-40 engine oil as the working fluid. To enhance performance, a bronze–Cr–Ag alloy system was developed and its tribological response was evaluated against AISI 52100 bearing steel under controlled laboratory conditions. The study focused on key parameters such as the coefficient of friction, wear rate, and material loss, which are critical in determining the operational life of bearings. Furthermore, the role of lubricants in mitigating tribocorrosion was examined, highlighting how SAE 20W-40 oil interacts with the alloy surface to form protective films, thereby minimizing direct metal-to-metal contact. The findings demonstrate that bronze-based alloys, when modified with chromium and silver, exhibit superior tribological performance in lubricated environments, making them promising candidates for sliding bearing applications.

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Periodical:

Advances in Science and Technology (Volume 175)

Pages:

103-109

DOI:

https://doi.org/10.4028/p-9a9n5M

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Online since:

May 2026

Authors:

C.G. Ramachandra*

Keywords:

Bronze Alloy, SAE 20W-40 Lubricant, Sliding Bearings, Tribological Behavior, Wear Analysis

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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