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    Enhanced Friction-Reducing Behavior of Stearic Acid Film on Textured Steel

    Year: 2013

    Journal: Tribology Letters, 50, pp 299-304, 20130926

    Authors: Zhiwei Dong , Yong Wan, Shuyan Yang, Junyan Zhang

    Organizations: School of Mechanical Engineering, Qingdao Technological University, Qingdao 266033, People’s Republic of China, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China

    A simple two-step process was developed torender steel with lower friction and longer durability. Thetextured steel substrate was first fabricated by immersed in apiranha solution at room temperature for 10 min. Stearicacid film was then deposited to acquire high hydrophobicity.Scanning electron microscopy and water contact-anglemeasurements were used to analyze the morphologicalfeatures and hydrophobicity of prepared samples, respectively.Moreover, the friction-reducing behavior of theorganic–inorganic composite film sliding against a steel ballwas evaluated in a ball-on-plate configuration. It was foundthat the stearic acid film on the textured steel led todecreased friction with significantly extended life.