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Skip to Search Results- 1Ashrafizadeh, Sayed Hossein
- 1Bhushan, Vivek
- 1Borle, Steven D
- 1Fisher, Gary
- 1Guest, Stuart Dan
- 1Hogan, James D.
- 4Li, Dongyang (Chemical and Materials Engineering)
- 3Mendez, Patricio (Chemical and Materials Engineering)
- 1Andre McDonald (Mechanical Engineering, University of Alberta)
- 1Brian Fleck (Mechanical Engineering)
- 1Dr. M.G.Lipsett (Mechanical Engineering)
- 1Dr. Patricio Mendez (Chemical and Materials Engineering)
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Fall 2023
Tribocorrosion, a synergistic impact of wear and corrosion, impacts the lifespan of machine parts in most sectors. Consequently, duplex coating has emerged as the most promising solution to address tribocorrosion. In this work, advanced noble duplex coating systems of TiAlN/WC-NiBSi/steel and...
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Spring 2011
Flotation process is mineral processing technique used for separating valuable minerals from the gangue. The research presented in this thesis deals with assessing features that can help in measuring the performance (observing) bitumen flotation process and modeling damage in flotation units. A...
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Fall 2013
Hydraulic transport is commonly employed in the mining industry to transport crushed ore to a processing facility. Dense slurry flows inflict heavy wear on pipes, leading to significant process downtime and loss of revenue. Several factors have been identified as key contributors to pipe wear. ...
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Computational investigation of the effect of microstructure on the scratch resistance of tungsten-carbide nickel composite coatings
Download2021-08-15
Parsazadeh, Mohammad, Fisher, Gary, McDonald, André, Hogan, James D.
Sliding wear was simulated for tungsten carbide-nickel (WC-Ni) composites with different WC particle sizes and volume fractions under various normal forces. Johnson-Cook and Johnson-Holmquist models were employed to simulate the mechanical behaviour of the Ni and WC phases, respectively. Using...
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Fall 2015
Mechanical, tribological and corrosion properties of metallic materials are of significance to their industrial applications and have been studied for long time. Efforts are continuously made to correlate these properties to more fundamental parameters in order to effectively improve the...
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Spring 2014
Seven Ni-WC tubular wires utilized in this study were characterized by the nickel sheath area, powder composition, and overall initial carbide volume fraction of the wire prior to welding. The electrical resistivity of steel, stainless steel, and Ni-WC welding consumables were measured from...
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Development of effective green lubricants for industrial drilling systems in aggressive environments
DownloadSpring 2024
In drilling systems used in the oil and gas industry, drilling equipment often encounters critical problems which could result in irreparable damage to metallic equipment. Chemical and physical interactions at the contact between different parts, such as drill bits, drill strings with well walls...
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Evaluation and Analysis of the Erosion Performance of Flame Spray-Coated Polyurethane Liners
DownloadFall 2016
Polyurethane has excellent wear resistance and is an effective protective liner against erosion caused by the impact of solid particles. However, similar to most polymeric materials, polyurethane has low thermal and electrical conductivity, and this limits its applicability for use in...
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Spring 2017
Heat distribution measurements in Gas Metal Arc Welding (GMAW) were concurrently measured at the cathode and anode giving increased insight and prediction capabilities. A calorimeter and water cooled cathode were used to determine energy partitions in GMAW for various electrodes, currents,...
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Fall 2011
A calorimeter for the deposition of metal during free-flight GMAW was developed for the purpose of measuring droplet heat content in Ni/WC tubular wires. By approximating the thermal gradients within the calorimeter to be second order polynomials the energy transferred to the calorimeter by the...