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Skip to Search Results- 2Jibran, Wania
- 1Hogan, James D.
- 1Lopera, Adrian
- 1McDonald, André
- 1Munday, Guriqbal S
- 1Nelson, Greg M
- 7McDonald, Andre (Mechanical Engineering)
- 1Chandra, Sanjeev (Mechanical & Industrial Engineering, University of Toronto)
- 1Dolatabadi, Ali (Mechanical & Industrial Engineering - University of Toronto)
- 1Hogan, James (Mechanical Engineering)
- 1McDonald, Andre (Department of Mechanical Engineering)
- 1McDonald, Andre (Mechanical Engineering - University of Alberta)
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Application of Thermally-Sprayed Coatings as Heat Tracers for Carbon Steel Pipes to Mitigate the Effect of Ice Accumulation and Freezing Damage
DownloadSpring 2020
The bursting of pipes due to freezing of contained liquid is considerably costly in industrial applications, resulting in over $4 billion in damage over the last decade alone in the United States. This doctoral research program attempted to study the root cause of the failure of pipes due to...
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Changing Landscape Coatings for Bioactive Bone Fixation Implants via Flame Spray Deposition
DownloadFall 2013
Owing to the bio-inert nature of load-bearing alloys and the brittle nature of bioactive materials there is a need to develop a composite bioactive material suitable for load-bearing applications. To fulfill this need, a new composite coating of a load-bearing alloy and a resorbable bioactive...
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Spring 2023
High entropy alloys (HEAs) are a new class of advanced metallic materials that have received significant attention in recent years due to their stable microstructures and promising properties. They are characterized by their peculiar mixing of five or more principal elements in equimolar...
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Spring 2013
The temperature distribution of a flame-sprayed metallic layer on glass fiber-reinforced epoxy flat plates was determined experimentally, analytically, and numerically. The composite samples consisted of flat composite glass fiber-epoxy plates fabricated by filament winding, a layer of garnet...
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Localized Surface Modification of High Strength Aluminum Alloys using Cold Spraying and Friction Stir Processing
DownloadFall 2021
Dimensional restoration and repair methodologies for cold-worked aluminum (Al) alloys are very limited due to strength degradation that occurs during heat application in the process. For example, friction stir processing (FSP) is a well-documented repair methodology for various alloys, but it...
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Fall 2015
Ice accretion is a problem that affects the performance and safety of structures that are exposed to cold weather environments. In wind energy production, a constantly growing industry, ice accretion has been found to decrease the performance, produce mechanical failures, and decrease the safety...
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On the Mechanical Properties and Failure of Low-Pressure Cold-Sprayed Tungsten Carbide-Nickel Metal Matrix Composite Coatings
DownloadFall 2019
Tungsten carbide-Nickel (WC-Ni) metal matrix coatings (MMC) were fabricated using a low-pressure cold spray unit. The coatings were designed according to 50, 71, and 92 weight percentages of WC in the feedstock powder. These coatings were subsequently prepared for uni-axial quasi-static tensile...
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Thermal Sprayed Coating as a Structural Health Monitoring Sensor for Engineering Structures
DownloadFall 2023
Failure prevention in engineering components is vital to efficiently reducing costs and very crucial to preservation of lives. Crucial to this failure prevention is the requirement of knowing stresses within the components, not just to counter the risk of overloading but also to determine the...
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Thermally Sprayed Coatings as Resistive Heating Systems for Wind Turbine Blades and Airfoils
DownloadSpring 2023
Accumulation of ice on the surface of wind turbine blades and aircraft wings in cold environments causes serious issues such as decrease in performance and efficiency. Ice accretion alters the geometrical profile and aerodynamic performance of the surface and increases the weight of the original...
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Towards optimization of thickness, hardness, and porosity of low-pressure cold sprayed WC-Ni coatings.
Download2021-01-01
Jibran, Wania, Hogan, James D., McDonald, André
In this study, a 33 full factorial design methodology was used to analyze the effects of spray parameters on the thickness, hardness, and surface porosity of low-pressure cold-sprayed WC-17Ni coatings. Three levels were selected for the spray parameters included in the design which were the...