Browsing Mechanical and Mechatronics Engineering by Supervisor "Jahed, Hamid"
Now showing items 1-19 of 19
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Characterization and Modeling of Forged ZK60 Mg Alloys under Quasi-static and Fatigue Loadings
(University of Waterloo, 2020-01-24)In response to impending changes to the environmental regulations on the vehicles’ gas consumption rate, the transportation sector is motivated toward the widespread adoption of lightweight materials in the manufacturing ... -
Characterization and Modeling of Smooth and Notched Rolled ZEK100-O under Cyclic Load
(University of Waterloo, 2018-10-26)As an effective way to reduce greenhouse gas emissions, goals on weight reduction has been fully focused by automotive manufacturers to meet the environmental regulations. Magnesium (Mg) alloys, with its high specific ... -
Characterization and Modelling of Additively Manufactured Hastelloy X Parts under Quasi-Static and Cyclic Loading
(University of Waterloo, 2021-04-28)Laser powder-bed fusion (LPBF) is one of the main additive manufacturing (AM) methods, which has been proven to produce complex metallic parts with fine features. Understanding the correlation of process parameters to the ... -
Characterization and modelling of quasi-static and fatigue notch effect in AZ31B-H24 rolled sheet
(University of Waterloo, 2018-10-25)The transportation sector releases large amounts of harmful greenhouse gases into Earth’s atmosphere. Vehicle weight reduction through the use of magnesium alloys is an effective way to reduce carbon dioxide emission and ... -
Characterization of the Mechanical and Microstructural Properties of Thin Non-Orientated Electrical Steel Sheets
(University of Waterloo, 2023-01-03)With the rise and growth of electric vehicles, enhancing the design and implementation of electric engines in transportation vehicles is essential. Electric motors are an essential part of this enhancement. The material ... -
Characterization of the Quasi-Static and Fatigue Behavior of Forged AZ31B Magnesium Alloy
(University of Waterloo, 2018-04-17)Light-weighting is being aggressively targeted by automotive manufacturers as a method to reduce emissions. Magnesium (Mg) alloys due to their low density and high specific strength have therefore gained significant interest ... -
A Computational Framework for Predicting the Adhesion Strength of Bonding in Cold Spray
(University of Waterloo, 2023-11-28)In recent years, Cold Spray technology has proven to be a promising method of powder deposition in surface coating and additive manufacturing applications. This process is done without melting the particles prior to ... -
Cracking Behaviour of Glass Fibre-Reinforced Polymers under Combined Compression-Shear Cyclic Loading
(University of Waterloo, 2018-05-28)A ply-level investigation into the cracking behaviour of E-glass/epoxy laminates under cyclic multiaxial loading was performed. Two laminate types were subjected to combined transverse compression-shear loading: multidirectional ... -
Development of corrosion resistant coatings for Mg alloys and a general corrosion fatigue model
(University of Waterloo, 2020-09-30)Mg alloys find widespread applications in transportation industries especially in cars and trucks because of their edges in light-weight design, which can greatly help improve the fuel efficiency and decrease the greenhouse ... -
The effect of cold spray coating parameters on the residual stress and fatigue performance of magnesium alloys
(University of Waterloo, 2020-02-14)Global warming, dwindling fossil fuels, and the low efficiency of alternative energy sources such as batteries and solar panels compared to traditional carbon-based energy sources, have shifted the industrial design paradigm ... -
The Effects of Elevated Temperature and Laminating on the Quasi-Static and Fatigue Properties of Electrical Steel
(University of Waterloo, 2023-05-24)Electrical steel is an alloy of steel that can have on average 3% silicon. These alloys are known to possess great magnetic properties, and this makes them an ideal material choice for the application of electric motors ... -
Experimental and numerical investigation of split sleeve cold expansion of AZ31B magnesium alloy
(University of Waterloo, 2018-04-23)The serious pollution problem caused by transportation can cause critical environmental effect such as global warming. This has drawn attention towards lighter materials for use in the transportation industry. Magnesium ... -
Fatigue of Forged AZ80 Magnesium Alloy
(University of Waterloo, 2019-09-25)The majority of research surrounding the fatigue of Mg alloys generally exhibits a rigid dichotomy between theoretical and applied contributions. This research work addresses both of these domains of the field from a more ... -
Improvement of fatigue and corrosion-fatigue resistance of AZ31B cast alloy by cold spray coating and top coating
(University of Waterloo, 2017-05-16)Recent advancements in manufacturing of light-weight structures have caused high interest in industries toward magnesium alloys because of its excellent properties such as specific strength, low density, and fatigue strength. ... -
Modeling the Residual Stress Distribution and Experimental Characterization of Shot Peening on AZ31B Rolled Sheet
(University of Waterloo, 2020-01-17)The drive to reduce fossil fuel consumption due to its environmental impacts has generated renewed interest in employing magnesium (Mg), the lightest industrial metal, and its alloys in vehicle manufacturing. One of the ... -
Predictive model of impact-induced bonding in cold spray using the Material Point Method
(University of Waterloo, 2021-05-27)Cold spray technology has emerged in recent years as a promising method of powder deposition that is inherently different from other processes. Without melting of the particles prior to deposition, powders of a wide range ... -
Quasi-Static, Cyclic, and Fracture Characteristics of Plasma Transferred Wire Arc (PTWA) Thermal Sprayed AlSi Cylinder Bores
(University of Waterloo, 2022-05-12)This study examines the microstructure and mechanical properties of plasma transferred wire arc (PTWA) coating of typical alloyed steel, deposited on diecast aluminum alloy cylinder bores. The coating surface and microstructure ... -
Resistance Spot Weld Fatigue Life Prediction Method Compatibility with Self-Piercing Rivets
(University of Waterloo, 2022-06-15)The Resistance Spot Weld (RSW) is traditional method for structural sheet metal joining with well established durability assessment techniques and methodologies. With increased prevalence of multi-material automotive ... -
Role of Loading Direction on Fatigue Behavior of Smooth and Notched ZK60 Extrusion
(University of Waterloo, 2018-09-20)In spite of the increasing trend of magnesium (Mg) application over the last decade, numerous technical restrictions still limit Mg alloy’s extensive implementation in industry. For instance, many mechanical behaviors of ...