Journal
CERAMICS INTERNATIONAL
Volume 40, Issue 9, Pages 14267-14277Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2014.06.017
Keywords
Al2O3-40 wt% TiO2; Plasma deposition; Wear; Corrosion
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Funding
- High Impact Research (HIR) from the Ministry of Higher Education, Malaysia [HIR-MOHE-16001-00-D000001]
- Program rakan penyelidikan Universiti Malaya (PRPUM) [CG045-2013]
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In this work, carbon steel surface was coated with Al2O3-40 wt% TiO2 composite using thermal spraying method. The tribological properties of the plasma-sprayed Al2O3-40 wt% TiO2 coating were investigated with a tribometer (pin-on-disc) to evaluate and compare the wear properties of coated and uncoated samples under different loads. Additionally, cumulative weight analysis was done to compare wear loss. The results indicate significant anti-wear improvement with an increase in TiO2 from 13 wt% to 40 wt%. The corrosion on coated and uncoated samples was analyzed using AC and DC methods, namely open circuit potential from potentio-dynamic polarization and electrochemical impedance spectroscopy in 3% NaCl solution for 20 days. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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