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Open Access Fabrication of micro- and nano-scale hierarchical structures on Al surface with enhanced wettability, anti-corrosion and wear resistance

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Via a facial method of mixed acid erosion, chemical inactivation and surface modification treatment, the enhanced wettability, anti-corrosion and wear resistance property can be achieved on 1060 aluminum (Al) surface. Scanning electron microscope (SEM) shows that the optimized micro- and nano-scale binary hierarchical structures consisting of the eroded stair-step microstructures and the inactivating nano-sacle particles layers have been constructed. In addition, results of electrochemical test exhibit the as-prepared surface with a water contact angle (CA) of 156.1° can possess a lower corrosion current density (I corr) and a higher corrosion potential (E corr than untreated surface after modification with ethanol solution of trichloro-(1H,1H,2H,2H-heptadecafluorodecyl)-silane (TDFS). Meanwhile, the droplets bouncing and tribological tests have also been conducted to confirm the better wettability and a lower friction coefficient and wear rate for the treated Al surface. This work will be active in enlarging the engineering applications of Al.

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Keywords: AL; ANTI-CORROSION; MICRO- AND NANO-SCALE STRUCTURES; WEAR RATE; WETTABILITY

Document Type: Research Article

Publication date: February 1, 2016

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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