Synergistic Effect of Fe-Amorphous and Bionic Microtexture in Enhancing High-Temperature Tribological Properties of Al-12Si Piston Materials

This study designs new Fe-amorphous/Al-12Si piston composite materials. The effect and synergistic mechanism of the addition of Fe-amorphous and bionic microtexture laser surface on the high-temperature friction performance of Al-12Si piston material under mixed lubrication conditions of B30 biodies...

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Bibliographic Details
Published in:Transactions of the Indian Institute of Metals 2024-11, Vol.77 (11), p.3983-3990
Main Authors: Wang, Yingdong, lin, Zuxiang, Yin, Chengbin, Kong, Detong, Zhao, Deyong, Wang, Zhijun, Ma, Beibei, Xu, Zehua, Wang, Yuan
Format: Article
Language:English
Subjects:
Amorphous materials
Biodiesel fuels
Bionics
Chemistry and Materials Science
Composite materials
Corrosion and Coatings
Friction
High temperature
Iron
Lubricating oils
Materials Science
Mechanical properties
Metallic Materials
Microtexture
Original Article
Synergistic effect
Tribology
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Summary:This study designs new Fe-amorphous/Al-12Si piston composite materials. The effect and synergistic mechanism of the addition of Fe-amorphous and bionic microtexture laser surface on the high-temperature friction performance of Al-12Si piston material under mixed lubrication conditions of B30 biodiesel and engine lubricating oil have been studied. The results indicate that the frictional properties of the untextured surface of the Fe-amorphous/Al-12Si composite material depend primarily on the amount of Fe-amorphous added. The 10 wt% Fe-amorphous/Al-12Si composite exhibits a dense, void-free microstructure with optimum anti-friction and anti-wear performance. It is noteworthy that the interaction between the “anchoring” effect caused by the Fe-amorphous addition and the synergistic effect of the bionic microtexture providing a stable lubricating environment further enhances the high-temperature friction properties of Al-12Si.
ISSN:0972-2815
0975-1645
DOI:10.1007/s12666-024-03455-0