F. Tarasi
Concordia University
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Publication
Featured researches published by F. Tarasi.
Journal of Thermal Spray Technology | 2016
F. Tarasi; M.S. Mahdipoor; Ali Dolatabadi; M. Medraj; C. Moreau
Water droplet erosion (WDE) is a phenomenon caused by impingement of water droplets of several hundred microns to a few millimeters diameter at velocities of hundreds of meters per second on the edges and surfaces of the parts used in such services. The solution to this problem is sought especially for the moving compressor blades in gas turbines and those operating at the low-pressure end of steam turbines. Thermal-sprayed tungsten carbide-based coatings have been the focus of many studies and are industrially accepted for a multitude of wear and erosion resistance applications. In the present work, the microstructure, phase analysis and mechanical properties (micro-hardness and fracture toughness) of WC-Co coatings are studied in relation with their influence on the WDE resistance of such coatings. The coatings are deposited by high-velocity oxygen fuel (HVOF) and high-velocity air fuel (HVAF) processes. The agglomerated tungsten carbide-cobalt powders were in either sintered or non-sintered conditions. The WDE tests were performed using 0.4 mm water droplets at 300 m/s impact velocity. The study shows promising results for this cermet as WDE-resistant coating when the coating can reach its optimum quality using the right thermal spray process and parameters.
Journal of Thermal Spray Technology | 2008
Jörg Oberste Berghaus; Jean-Gabriel Legoux; C. Moreau; F. Tarasi; Tomáš Chráska
Journal of Thermal Spray Technology | 2008
F. Tarasi; M. Medraj; Ali Dolatabadi; Jorg Oberste-Berghaus; C. Moreau
Journal of Thermal Spray Technology | 2010
F. Tarasi; M. Medraj; Ali Dolatabadi; Jorg Oberste-Berghaus; C. Moreau
Wear | 2015
M.S. Mahdipoor; F. Tarasi; C. Moreau; Ali Dolatabadi; M. Medraj
Journal of The European Ceramic Society | 2011
F. Tarasi; M. Medraj; Ali Dolatabadi; Jorg Oberste-Berghaus; C. Moreau
Advanced Functional Materials | 2011
F. Tarasi; M. Medraj; Ali Dolatabadi; Jorg Oberste-Berghaus; C. Moreau
Surface & Coatings Technology | 2013
F. Tarasi; M. Medraj; Ali Dolatabadi; Jorg Oberste-Berghaus; C. Moreau
Journal of the American Ceramic Society | 2012
F. Tarasi; M. Medraj; Ali Dolatabadi; Rogerio S. Lima; C. Moreau
Surface & Coatings Technology | 2011
F. Tarasi; M. Medraj; Ali Dolatabadi; Jorg Oberste-Berghaus; C. Moreau