Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 752-771 of 1494
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Improving the multiscale morphological and mechanical properties of laser welded Al-Si coated 22MnB5 press-hardened steels
(University of Waterloo, 2023-03-27)In the automotive industry, the demand for reduced vehicle weight, improved safety and enhanced crashworthiness qualities continues to rise which introduces the need for parts and components with tailored properties. This ... -
In-situ monitoring and intermittent controller for adaptive trajectory generation during laser directed energy deposition via powder feeding
(University of Waterloo, 2023-03-27)Laser Directed Energy Deposition (LDED) is one of the advanced manufacturing technologies for building near-net-shaped engineering components in a layer-by-layer fashion using high-power lasers as an energy source. LDED ... -
In-Situ Monitoring and Quality Assurance Algorithms for Laser Powder-Bed Fusion
(University of Waterloo, 2022-04-13)This dissertation describes the development of advanced in-situ defect detection algorithms using analytical and machine learning methods, followed by intermittent control systems to minimize the number of defects in parts ... -
In-situ observation of nucleation and property evolution in films grown with an atmospheric pressure spatial atomic layer deposition system.
(IOP Science, 2020-06-01)Atmospheric pressure—spatial atomic layer deposition (AP-SALD) is a promising open-air deposition technique for high-throughput manufacturing of nanoscale films, yet the nucleation and property evolution in these films has ... -
In-Situ TiC-Fe Deposition on Mild Steel Using a Laser Cladding Process
(University of Waterloo, 2011-08-26)The growing interest in increasing the wear resistance and hardness of surfaces that are in contact with abrasives or corrosive materials has inspired the development of several processes for creating protective coatings. ... -
An In-Vitro and Finite Element Investigation on the Efficacy of Unloader Knee Braces on Meniscus Strain and Tibiofemoral Pressure
(University of Waterloo, 2023-09-26)The medial and lateral menisci, situated in the knee joint, are most injured soft tissues in the human body. Meniscus injuries can be isolated or occur concurrently with an anterior cruciate ligament (ACL) injury. Certain ... -
Increased Formability and the Effects of the Tool/Sheet Interaction in Electromagnetic Forming of Aluminum Alloy Sheet
(University of Waterloo, 2005)This thesis presents the results of experimental and numerical work carried out to determine if electromagnetic forming (EMF) increases the formability of aluminum alloy sheet and, if so, to determine the mechanisms that ... -
Increasing Efficiency of Hybrid Electric Vehicles Using Advanced Controls
(University of Waterloo, 2016-09-19)The drive to improve and optimize hybrid vehicle performance is increasing with the growing market of hybrids. This research is conducted on a student developed parallel split hybrid architecture. The architecture features ... -
Indoor-Side Convection Coefficients for Complex Fenestration Systems with Roller Blinds
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2017-01)In order to characterize the resistor network that describes convective heat transfer on the indoor side of a complex fenestration system, three convection coefficients are needed. Although methods to obtain convection ... -
Induced-Charge Electrokinetic Motion of a Heterogeneous Particle and Its Corresponding Applications
(University of Waterloo, 2013-02-22)This thesis conducts numerical and experimental studies of the nonlinear electrokinetic motion of heterogeneous particles in microfluidic systems and their corresponding applications in laboratory-on-a-chip (LOC) systems. ... -
Influence of alloying elements, testing solution and surface roughness on corrosion behaviour of stainless steel reinforcing bars
(University of Waterloo, 2020-01-10)The province of Ontario has moved from applying rock salt crystals, predominantly impure sodium chloride, to locally available anti-icing brine solutions with chloride amounts as high as 21%. At the same time, the specified ... -
Influence of As-cast Microstructure on Forging Behaviour of Magnesium Alloy AZ80
(University of Waterloo, 2021-09-14)Concerns over the environment and greenhouse gas emissions have incentivized the increased use of lightweight metals, such as magnesium alloys, to improve vehicle efficiency through a reduction in mass. While there are ... -
Influence of current pulse profile on metal transfer in pulsed gas metal arc welding
(University of Waterloo, 2017-04-24)The increase in the requirements of safety and reliability demanded from the normalization institutes by the issue of normalizing standards, led to the need of the development of materials of superior properties. Owing to ... -
Influence of drilling and abrasive water jet induced damage on the performance of carbon fabric/epoxy plates with holes
(Elsevier, 2017-03-01)The influence of conventional drilling (CD) and abrasive water jet (AWJ) cutting on the fatigue performance of carbon fabric/epoxy plates was investigated. Observations of machined hole regions revealed more severe damage ... -
The Influence of Electrode Force on Liquid Metal Embrittlement of Third Generation Advanced High Strength Steels during Resistance Spot Welding
(University of Waterloo, 2023-05-08)Zinc coatings are generally applied on the surface of advanced high-strength steels (AHSS) for corrosion resistance. However, the elevated temperature during resistance spot welding process melts zinc coating and the intact ... -
Influence of feed drives on the structural dynamics of large-scale machine tools
(University of Waterloo, 2021-12-23)Milling is one of the most widely used processes in the manufacturing industry and demands machines with high productivity rates. In large machine tool applications, the cutting capability is mainly limited by the appearance ... -
The influence of intraglottal vortices upon the dynamics of the vocal folds
(University of Waterloo, 2015-01-12)Intelligibility of speech is of critical importance in many respects. Diminished speech intelligibility causes part or all of the intended message to be lost to listeners; the outcome is frustration of speakers and listeners ... -
The Influence of Loading on the Corrosion of Steel in Cracked Ordinary Portland Cement and High Performance Concretes
(University of Waterloo, 2007-12-20)Most studies that have examined chloride-induced corrosion of steel in concrete have focused on sound concrete. However, reinforced concrete is seldom uncracked and very few studies have investigated the influence of cracked ... -
Influence of moisture and thermal cycling on delamination flaws in transparent armor materials: Thermoplastic polyurethane bonded glass-polycarbonate laminates
(Elsevier, 2019-11)Transparent armor laminates (TALs), manufactured from layers of soda-lime-silica float glass, thermoplastic polyurethane, and polycarbonate, are known to suffer unpredictable delamination in ambient-condition service, ... -
The Influence of Processing Conditions on the Thermo-physical Properties and Morphology of Polycarbonate / Poly (butylene terephthalate) Blends
(University of Waterloo, 2009-03-12)The objective of this work is to determine the effect of four process variables on the properties of blends composed of bisphenol-A polycarbonate (PC) and poly (butylene terephthalate) (PBT) polymers which are compounded ...