Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1201-1220 of 1507
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Process Mapping and Optimization of Titanium Parts Made by Binder Jetting Additive Manufacturing
(University of Waterloo, 2018-01-08)Additive manufacturing (AM) has recently seen an increase in adoption outside of its traditional role of rapid prototyping and is being used more and more for the production of functional components. The increased adoption ... -
Process optimization of Gas Metal Arc Brazing technology
(University of Waterloo, 2022-08-03)Gas-metal-arc brazing (GMAB) technology is a transformative non-fusion joining process used in the joining of thin-gauge Zn-coated advanced high strength steels (AHSSs) employed in the automotive industry. Due to its lower ... -
Process Optimization, Numerical Modelling, and Microstructure Control in Laser Powder Bed Fusion of Ti-5553 Parts
(University of Waterloo, 2024-03-14)Additive manufacturing (AM) is an advanced production technique that creates components by depositing material layer by layer. AM has been deployed industrially for producing metallic parts from alloys which pose challenges ... -
Process parameters for hot stamping of AA7075 and D-7xxx to achieve high performance aged products
(Elsevier, 2018-07)This work examines the necessary process parameters for die quenching (DQ) during hot stamping and subsequent age hardening and paint bake cycle (PBC) response for two alloys: AA7075 and a developmental 7xxx alloy (referred ... -
Process Planning for Additive Manufacturing of Geometries with Variable Overhang Angles using a Robotic Laser Directed Energy Deposition system
(Elsevier, 2022-01)In the present work, a novel Laser Directed Energy Deposition (LDED) process planning methodology is proposed to build a dome structure with variable overhang angles. Overhang structures with different overhang angles were ... -
Process Quality Improvement in Thermosonic Wire Bonding
(University of Waterloo, 2008-08-15)This thesis demonstrates the feasibility of methods developed to increase the quality of the crescent bond together with the tail bond quality. Low pull force of the crescent bond limits the usage of insulated Au wire in ... -
Processability and tensile performance of continuous glass fiber/polyamide laminates for structural load-bearing applications
(Elsevier, 2018-02)The performance of continuous E-glass/polyamide 6 laminates processed using distinct hot press moulding cycles was assessed and compared with similar E-glass/epoxy and E-glass/polypropylene laminates. The effects of peak ... -
The Processing and Characterization of Porous Ni/YSZ and NiO/YSZ Composites used in Solid Oxide Fuel Cell Applications
(University of Waterloo, 2006)A solid oxide fuel cell (SOFC) is an energy conversion device that has the potential to efficiently generate electricity in an environmentally-friendly manner. In general, a SOFC operates between 750°C and 1000°C ... -
Production and Characterization of Electrospun Metal Nanofibers for Applications in Nanoaerosol Filtration
(University of Waterloo, 2019-05-13)Airborne particles have a large impact on human health and the environment. They can be as small as a few nanometers. Electrospun nanofibrous materials have shown strong potential in filtering airborne nanoparticles for ... -
Progress on the application of the NS-alpha model to wall-bounded flows
(University of Waterloo, 2008-10-09)In this thesis we study the NS-alpha model of flow turbulence. In this model the closure arises through a modified nonlinearity. For the NS-alpha model currently used in published numerical studies, the parameter representing ... -
Pulsed Active Steering Hardware in the Loop Experiment
(University of Waterloo, 2009-09-25)Active safety vehicle systems are continuously being researched to make vehicles safer to drive. Active steering is a new active safety system that involves controlling the vehicle steering angle during the vehicle's loss ... -
Pulsed Nd:YAG Laser Processing of Nitinol
(University of Waterloo, 2011-04-08)The excellent pseudoelasticity, shape memory and biocompatibility of Nitinol have made it a leading candidate for applications in various fields, including aerospace, micro-electronics and medical devices. Challenges ... -
PV ENABLED NET ZERO EV CHARGING STATION: SYSTEM DESIGN AND SIMULATION STUDY
(University of Waterloo, 2018-09-21)A paradigm shift in the transportation sector is being witnessed due to resurgence of electric vehicles (EVs). They are ideally considered to be non-polluting and eco-friendly, however it has its own demerits of overloading ... -
Quadrotor Position Estimation using Low Quality Images
(University of Waterloo, 2011-09-28)The use of unmanned systems is becoming widespread in commercial and military sectors. The ability of these systems to take on dull, dirty, and dangerous tasks which were formerly done by humans is encouraging their rapid ... -
Quantification of Flare Combustion Efficiency through Mid-Wavelength Infrared Spectroscopy
(University of Waterloo, 2022-08-26)Flares convert unwanted hydrocarbon emissions into carbon dioxide to be disposed into the atmosphere. Although this conversion reduces the oil and gas industry’s greenhouse gas inventory, it is still responsible for ... -
Quantifying Human Mental States in Physical Human-Robot Interaction
(University of Waterloo, 2024-04-23)To support independent living among older adults, we propose the introduction of robots as domestic service providers capable of assisting with daily activities like showering, toileting, and transferring. These tasks ... -
Quantifying Isothermal Solidification Kinetics during Transient Liquid Phase Bonding using Differential Scanning Calorimetry
(University of Waterloo, 2006)The problem of inaccurate measurement techniques for quantifying isothermal solidification kinetics during transient liquid phase (TLP) bonding in binary and ternary systems; and resulting uncertainty in the accuracy of ... -
Quantifying Upper-Limb Bimanual Coordination Performance Using Machine Learning Techniques for Concussion Screening
(University of Waterloo, 2021-12-16)Current concussion screening and diagnosis tools rely on symptom checklist scores, along with subjective assessments performed by a clinician. This introduces high variability and bias, and increases the chances of missed ... -
Quantitative Design Decision Method: Performance-Based Design Utilizing A Risk Analysis Framework
(University of Waterloo, 2012-05-16)The model building and fire codes in Canada permit prescriptive-based design and performance-based design approaches. Within this regulatory framework, prescriptive-based designs are attributed objective and functional ... -
Quantitative Measurement Techniques for Wind Turbine Blade Aerodynamic Performance
(University of Waterloo, 2017-03-07)The installed capacity of wind turbines has been growing rapidly in recent years, creating an increased need for accurate measurements and models of wind turbine performance to further their development. There is a need ...