Tribological and corrosion behaviors of Al2O3/polymer nanocomposite coatings |
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| Affiliation: | 1. Department of Materials Science, School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, PR China;2. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alta., Canada T6G 2G6;1. Polymer Technology Center, Department of Mechanical Engineering and Department of Materials Science Engineering, Texas A&M University, College Station, TX 77843-3123, United States;2. National Center for Packaging Material Quality Supervision and Inspection, Chengdu Institute of Product Quality Supervision and Inspection, Chengdu 610041, China;1. Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran;2. Department of Surface Coating and Corrosion, Institute for Color Science and Technology, Tehran, Iran;3. Department of Engineering ‘Enzo Ferrari’, University of Modena and Reggio Emilia, Modena, Italy;4. Center of Excellence for Colour Science and Technology, Tehran, Iran;1. Institute for Color Science and Technology (ICST), PO 16765-654, Iran;2. Department of Nanomaterials and Nanocoatings, Institute for Color Science and Technology (ICST), P.O. 16765-654, Tehran, Iran;3. Department of Surface Coatings and Corrosion, Institute for Color Science and Technology (ICST), P.O. 16765-654, Tehran, Iran |
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| Abstract: | In this paper, the tribological and electrochemical corrosion properties of Al2O3/polymer nanocomposite coatings were studied by using micro-hardness test, single-pass scratch test, abrasive wear test, and finally electrochemical technique such as potentiodynamic polarization measurement. The coatings containing Al2O3 nanoparticles showed improvement in scratch and abrasive resistance compared with that of polymer coating. The improvement in scratch and abrasive resistance is attributed to the dispersion hardening of Al2O3 nanoparticles in polymer coatings. Corrosion test results showed that the embedded Al2O3 nanoparticles in polymer matrix do not sacrifice the corrosion resistance of the polymer itself. |
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