Wear behavior of flame-sprayed Al2O3-TiO2 coatings on plain carbon steel substrates
SURFACE & COATINGS TECHNOLOGY, vol.200, pp.1173-1177, 2005 (SCI-Expanded, Scopus)
- Publication Type: Article / Article
- Volume: 200
- Publication Date: 2005
- Doi Number: 10.1016/j.surfcoat.2005.02.219
- Journal Name: SURFACE & COATINGS TECHNOLOGY
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Page Numbers: pp.1173-1177
- Keywords: Al2O3-TiO2, flame spray, friction coefficient, wear, corrosion
- Dokuz Eylül University Affiliated: No
Abstract
In this study, Al2O3-TiO2 powders were sprayed using a flame-spray technique after a NiCrMo bond layer was deposited on plain carbon steel substrate. The produced layers were characterized by X-ray diffraction (XRD), optical microscope, scanning electron microscope (SEM) including energy-dispersive spectroscopy (EDS), surface roughness and microhardness tester. Friction and wear behaviour of the coatings were also evaluated in the present study. The Al2O3-TiO2 coatings were subjected to sliding wear against AISI 303 stainless steel counter body under dry and acidic environments. A pin-on-plate type apparatus was used with normal loads in the range of 49-129 N. Wear resistance of the coatings in acid environment is better than that in dry conditions. (c) 2005 Elsevier B.V. All rights reserved.