Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 154-173 of 1501
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Characterization of Micro-Plasma Wire Arc Additive Manufacturing: Anisotropy and Layer Height Investigation
(University of Waterloo, 2024-05-16)Directed energy deposition describes the process of deposition of molten metal in wire or powder form with a focused energy beam source in a layer-by-layer fashion to create a final part. The use of an arc as heat source ... -
Characterization of single- and multilayer cold-spray coating of Zn on AZ31B
(Elsevier, 2021-06-25)Zinc, a soft material with a low melting point and high corrosion resistance, was coated onto AZ31B Mg alloy using different cold spraying process parameters. The physical and mechanical properties of the resulting Zn/AZ31B ... -
Characterization of Space Conditioning Loads for Energy Efficient Houses in Canada
(University of Waterloo, 2015-04-22)This thesis details the development of a graphical method of presenting equipment loads within a house, allowing the loads for an entire year to be presented on a psychrometric chart. These charts are called rosettes. This ... -
Characterization of Spot Weld Failure within Weld Groups under Predominantly Shear Loading
(University of Waterloo, 2020-11-02)This thesis examines the failure behaviour of spot welded connections in components using three different aluminium-silicon coated hot stamped steels, Ductibor® 500-AS, Ductibor® 1000-AS, and Usibor® 1500-AS, with 1.2 mm ... -
Characterization of Structural Adhesives Using Lap Shear and Pin and Collar Tests
(University of Waterloo, 2015-10-05)Increasingly stringent government regulations on vehicle fuel economy and emission standards have challenged auto manufacturers to improve the fuel economy of cars built for sale in North America. Lightweighting vehicles ... -
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 ... -
Characterization of Ti-5553 parts printed by Selective Laser Melting (SLM)
(University of Waterloo, 2018-12-20)Nowadays, titanium alloys are widely used in a variety of industries like automotive and aerospace due to their high strength to weight ratio. Ti-5%Al-5%V-5%Mo-3%Cr is a metastable near beta titanium alloy with excellent ... -
Characterizing and Modeling the Effects of Mode Mixity and Bond Line Thickness on the Traction-Separation Response of Structural Adhesive Joints
(University of Waterloo, 2021-04-28)As adhesive bonding continues to become more prevalent in automotive structures, the need for high fidelity characterization and modelling of adhesive joints has gained in importance. In this thesis, new specimen geometry ... -
Characterizing and Modelling the Strain Rate-Dependent Constitutive Response of a Unidirectional Non-Crimp Fabric Composite Material
(University of Waterloo, 2023-09-19)Liquid molded composite materials comprising heavy-tow non-crimp fabric reinforcements are increasingly being used for primary load-bearing structures in the automotive sector due to their excellent specific mechanical ... -
Characterizing the Constitutive Behaviour and Austenite Decomposition of an 1,800 MPa Press Hardenable Boron Steel
(University of Waterloo, 2024-02-02)The mechanical behaviour of a new 1,800 MPa strength grade of Al-Si coated, 37MnB5 press-hardenable steel, designated PHS 1800, was investigated under hot stamping conditions. Prior to mechanical testing, a novel heat ... -
Characterizing the deformation response of a unidirectional non-crimp fabric for the development of computational draping simulation models
(University of Waterloo, 2020-06-01)In several countries around the world, including Canada, government incentives have been put in place to improve the fuel efficiency of vehicles and reduce CO2 emissions. Improvements in composites manufacturing technology, ... -
Chip geometry, cutting force, and elastic deformation prediction for gear hobbing
(University of Waterloo, 2023-08-08)The machining industry is constantly challenged through increasing demands for productivity and stringent part quality requirements such as dimensional accuracy and surface quality. Physics-based models are becoming more ... -
Co-production of hydrogen and ethylene in an oxygen permeable membrane reactor
(University of Waterloo, 2022-04-08)The demand for low-carbon hydrogen keeps increasing. Hydrogen production from water splitting attracts attention due to the easiness of hydrogen purification from hydrogen-water mixtures and the flexibility of renewable ... -
Cohesive zone modeling of ductile tearing process in brazed joints
(Elsevier, 2013-04-01)Ductile tearing process in low carbon steel brazed joints with copper filler metal is studied using the Cohesive Zone Model. The Cohesive Zone Model is characterized by two parameters related to the cohesive strength and ... -
Cohesive zone modeling of fatigue crack growth in brazed joints
(Elsevier, 2014-04-01)Fatigue crack growth in low carbon steel brazed joints with copper filler metal is modeled by an irreversible Cohesive Zone Model. Strain-controlled fatigue tests are performed on the brazed specimens, and the corresponding ... -
The cold wire gas metal arc welding (CW-GMAW) process: Description and Applications
(University of Waterloo, 2020-09-11)The demand for new and reliable welding processes comes from the need to improve productivity and quality in welding of new materials used in infrastructure projects. Among the areas where this development is crucial, is ... -
Combined Coal Gasification and Alkaline Water Electrolyzer for Hydrogen Production
(University of Waterloo, 2013-12-10)There have been many studies in the energy field to achieve different goals such as energy security, energy independence and production of cheap energy. The consensus of the general population is that renewable energy ... -
A combined in-vivo/in-vitro approach to study knee injury mechanism
(University of Waterloo, 2011-09-01)The anterior cruciate ligament (ACL) stabilizes the knee during various sporting activities and has great importance as the knee relies entirely on the ligaments and muscles for stabilization. The ACL commonly gets injured ... -
Combined particle image velocimetry/digital image correlation for load estimation
(Elsevier, 2019-01-01)Particle image velocimetry (PIV) and digital image correlation (DIC) are widely used experimental techniques in fluid mechanics and structural dynamics, respectively. PIV is capable of resolving detailed velocity fields ...