Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1367-1386 of 1494
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A Study on the Effect of Bond Stress and Process Temperature on Palladium Coated Silver Wire Bonds on Aluminum Metallization
(University of Waterloo, 2015-09-29)In the past ten years, the increasing price of gold has motivated the wire bonding industry to look for alternative bonding wire materials in the field of microelectronics packaging. A new candidate wire to replace gold ... -
Sulphide Stress Cracking in X80 Pipeline Steel Welds
(University of Waterloo, 2020-11-09)The utilization of high strength linepipes provides various benefits, including reducing construction cost, and operational cost. On the other hand, the girth welds for such pipelines are welded onsite, and simultaneously ... -
Summary and comparison of methods to calculate solar heat gain
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1995-08)Methods used to calculate the solar gain of windows (including center-glass, edge-glass, and frame) are examined and compared Particular attention is devoted to the public-domain computer programs VISION3 and WINDOW 4.1. ... -
Supercritical thermodynamic property evaluation via adaptive mesh tabulation
(University of Waterloo, 2019-01-30)Obtaining accurate computational simulations of fluid flows with a complex thermodynamic behaviour is difficult. This is partly due to the non-linear variation of thermophysical properties in the vicinity of critical point. ... -
Superhydrophobic flow channel surface and its impact on PEM fuel cell performance
(Oxford University Press, 2014-09-01)Water management is a critical issue in polymer electrolyte membrane fuel cells (PEMFCs), and it is normally achieved through the modification of surface wettability condition for the cell components. In this study, ... -
Superhydrophobicity of Surfaces Decorated by Electrospun Micro- and Nano-fibers
(University of Waterloo, 2023-08-17)Electrospinning is proven to be an efficient and versatile technique for developing super-hydrophobicity based on the surface roughness provided by the generated micro- and nano- fibers. However, current electrospinning ... -
Surface Design for Flank Milling
(University of Waterloo, 2007-06-18)In this dissertation, a numerical method to design a curved surface for accurately flank milling with a general tool of revolution is presented. Instead of using the ruled surface as the design surface, the flank millable ... -
Surface Modification of Stainless Steel by Electro-Spark Deposition
(University of Waterloo, 2016-12-13)Electrospark Deposition (ESD) is a pulsed micro-welding process that is used to apply surface coatings for repair of damaged high value precision products or modify their surfaces for specific properties. The low heat ... -
Surface Partitioning for 3+2-axis Machining
(University of Waterloo, 2007-08-01)Despite the inbuilt advantages offered by 5-axis machining, the manufacturing industry has not widely adopted this technology due to the high cost of machines and insufficient support from CAD/CAM systems. Companies are ... -
Surface Topography/Chemistry Modification through the Creation of Pseudo-Periodic Surface Micro-structures using Pulsed Nanosecond Fiber Laser Irradiation
(University of Waterloo, 2015-01-22)The focus of this thesis is on the development of a methodology for modifying the surface of titanium implant devices to improve biocompatibility and osseointegration properties utilizing three approaches: 1) developing ... -
Surface Wettability Impact on Water Management in PEM Fuel Cell
(University of Waterloo, 2012-10-01)Excessive water formation inside the polymer electrolyte membrane (PEM) fuel cell’s structures leads to the flooding of the cathode gas diffusion layer (GDL) and cathode gas flow channels. This results in a negative impact ... -
Synchronized Motion Control of Dual Robot Manipulator Systems
(University of Waterloo, 2020-09-14)Dual manipulator systems are capable of accomplishing a variety of tasks, such as manipulating large and heavy objects and assembling parts, that might be impossible for single manipulators. These collaborative tasks ... -
Synergy in Additive Manufacturing and Machining of Complex Design Topologies
(University of Waterloo, 2019-06-25)Additive manufacturing (AM) enables freedom of design, part complexity and customization with minimal added cost, light weighting, design for function, and part consolidation. It is gaining increasing interests in the ... -
Synthesis and Characterization of Reduced Graphene Oxide Films
(University of Waterloo, 2015-03-11)The discovery of graphene properties in 2004 has replaced the need for indium titanium oxide on many applications. A large amount of research has focused on the advantages of using synthesis graphene as an inexpensive and ... -
Synthesis of Molybdenum-Based Nanomaterials with High Photothermal Conversion Efficiencies by Femtosecond Laser Ablation in Liquid
(University of Waterloo, 2023-09-22)Photothermal therapy is a novel cancer treatment that can be an alternative or useful supplement to traditional cancer treatments. It relies on nanomaterials which target and accumulate in tumor cells to absorb near infrared ... -
Synthesis of Vertically-Aligned Zinc Oxide Nanowires and Their Applications as Photocatalysts
(University of Waterloo, 2013-08-22)Zinc oxide (ZnO) nanostructures, especially nanowires, have been one of the most important semiconductive materials used for photocatalysis due to their unique material properties and remarkable performance. In this project, ... -
Synthesis, Characterization, and Application of Nanothermites for Joining
(University of Waterloo, 2013-06-19)Thermite reactions were well studied in the past few decades; however, implementation of these reactions with nanoscale components is a new interest for today’s researchers both for military and civil industries. Nanothermites ... -
System Identification and Adaptive Compensation of Friction in Manufacturing Automation Systems
(University of Waterloo, 2013-09-25)Industrial demands for more efficient machine tool systems have been significantly increased. In order to obtain high performance machine tool systems, researchers are focused on enhancing functioning of various components ... -
System Identification and Adaptive Control of Planar Cable Robots
(University of Waterloo, 2014-12-23)Cable-based robots generally perform better than other parallel robots with rigid links in terms of wider workspace and higher acceleration of end-effector because of light weight of robot links. Cable robots allow easy ... -
Systematic Design of Type-2 Fuzzy Logic Systems for Modeling and Control with Applications to Modular and Reconfigurable Robots
(University of Waterloo, 2010-07-20)Fuzzy logic systems (FLSs) are well known in the literature for their ability to model linguistics and system uncertainties. Due to this ability, FLSs have been successfully used in modeling and control applications such ...