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    Improving wear resistance of aluminum by hydrophobic sol-gel-derived TiO2 film

    Year: 2018

    Journal: Ind. Lubr. Tribol., Volume 70, page 1408–1413

    Authors: Zhao, Hongjin; Cao, Lei; Wan, Yong; Yang, Shuyan; Gao, Jianguo; Pu, Jibin

    Organizations: National Natural Science Foundation of China [51375249]; Key Research & Development Plan of Shandong Province [2017GSF220012]; Natural Science Foundation of Shandong Province [ZR2017PEE013]; General Administration of Quality Supervision, Inspection and Quarantine of China [201410083]

    Keywords: Surface films; TiO2; Wear and friction; Sol-gel; Stearic acid

    Purpose The purpose of this paper is to increase wear resistance of aluminum. Design/methodology/approach The authors have studied the ways to improve the tribological performance of aluminum by assembling stearic acid on aluminum coated by sol-gel-derived TiO2 film. The samples were characterized by infrared spectroscopy, contact angle measurements and a macro friction and wear tester. Findings Enhanced wear resistance was clearly obtained after functionalization of TiO2 film on aluminum by stearic acid. Originality/value The relevant results might be helpful for guiding the surface modification of aluminum devices in industrial applications.
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