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

IF 1.6 4区材料科学 Q2 Materials Science Transactions of The Indian Institute of Metals Pub Date : 2024-09-05 DOI:10.1007/s12666-024-03455-0

Yingdong Wang, Zuxiang lin, Chengbin Yin, Detong Kong, Deyong Zhao, Zhijun Wang, Beibei Ma, Zehua Xu, Yuan Wang

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Abstract

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.

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铁-非晶和仿生微观纹理在增强 Al-12Si 活塞材料高温摩擦学性能方面的协同效应

本研究设计了新型 Fe-amorphous/Al-12Si 活塞复合材料。研究了在 B30 生物柴油和发动机润滑油混合润滑条件下，添加 Fe-amorphous 和仿生微纹理激光表面对 Al-12Si 活塞材料高温摩擦性能的影响和协同机制。结果表明，非晶/Al-12Si 复合材料无纹理表面的摩擦性能主要取决于非晶的添加量。10 wt% 的 Fe-amorphous/Al-12Si 复合材料呈现出致密、无空隙的微观结构，具有最佳的抗摩擦和抗磨损性能。值得注意的是，添加非晶态铁所产生的 "锚定 "效应与提供稳定润滑环境的仿生微观纹理的协同效应之间的相互作用进一步增强了 Al-12Si 的高温摩擦性能。

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来源期刊

Transactions of The Indian Institute of Metals Materials Science-Metals and Alloys

CiteScore

2.60

自引率

6.20%

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期刊介绍： Transactions of the Indian Institute of Metals publishes original research articles and reviews on ferrous and non-ferrous process metallurgy, structural and functional materials development, physical, chemical and mechanical metallurgy, welding science and technology, metal forming, particulate technologies, surface engineering, characterization of materials, thermodynamics and kinetics, materials modelling and other allied branches of Metallurgy and Materials Engineering. Transactions of the Indian Institute of Metals also serves as a forum for rapid publication of recent advances in all the branches of Metallurgy and Materials Engineering. The technical content of the journal is scrutinized by the Editorial Board composed of experts from various disciplines of Metallurgy and Materials Engineering. Editorial Advisory Board provides valuable advice on technical matters related to the publication of Transactions.