The Proceedings of Mechanical Engineering Congress, Japan
Online ISSN : 2424-2667
ISSN-L : 2424-2667
2023
Session ID : S112-01
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Effects of Oxidation of Sliding Surface on Tribological Characteristics of Aluminum Bronze Porous Materials
*Hiroyuki YOSHIDASatoru KANEKOHiroo TAURAEri SAKAINO
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Abstract

In recent years, there has been a demand for technology for achieving carbon neutrality. To meet this demand, technologies such as reduction of production energy, weight reduction of raw materials, and recycling have been studied for vehicle on-board electrical equipment. Aluminum bronze, which is one of the metal materials with low melting point and low density, has the properties that facilitate achievement of carbon neutrality. In this study, oil-impregnated porous aluminum bronze and tin bronze were exposed to a high temperature for a long time, and both materials were examined for changes in their tribological characteristics and sliding surfaces with a pin-on-disk friction tester and a chemical analysis instrument. The findings in this study are that oxides of the impregnated oil are formed on the sliding surface of each oil-impregnated porous material exposed to a high temperature, and tin bronze shows larger amount of oxides than aluminum bronze, and the formation of oxides contributes to decreasing the friction coefficient.

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© 2023 The Japan Society of Mechanical Engineers
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