Browsing Mechanical and Mechatronics Engineering by Supervisor "Toyserkani, Ehsan"
Now showing items 1-20 of 32
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Additive Manufacturing of Graphene-based Devices
(University of Waterloo, 2017-01-19)Additive manufacturing (AM) introduces a new era for the fabrication of 3D structures. AM, as an emerging and disruptive manufacturing technology, has the potential to be employed for fabrication of polymeric, metallic, ... -
Additive Manufacturing of Architected Structures for Healthcare Applications
(University of Waterloo, 2021-05-07)This dissertation focuses on the development of architected structures via direct additive manufacturing (AM) and novel template-assisted techniques for sensing and tissue engineering applications. Although AM technologies ... -
Additive Manufacturing of Graphene-based Patterns
(University of Waterloo, 2016-02-11)The focus of this dissertation is on the deployment and characterization of a micro-scale aerosol-jet additive manufacturing technology to print highly conductive and flexible graphene-based patterns. For this purpose, a ... -
Additive Manufacturing of Soft Polysiloxane-based Bio-structures with Heterogeneous Properties
(University of Waterloo, 2018-03-26)This thesis is concerned with the development of novel additive manufacturing (AM) systems and methodologies for high speed fabrication of complex material-graded silicone structures with controllable internal features ... -
Aerosol Jet Printed Strain Gauge and Temperature Compensated Strain Gauge Design
(University of Waterloo, 2018-04-23)Aerosol jet printing (AJP) is a non-contact, computer aided design (CAD) based printing that allows for an aerosol stream, being focused by a sheath gas, to print patterns on non-planar surfaces based on the specified ... -
Characterization and Simulation of the Microstructure of Additively Manufactured Hastelloy X Parts with Columnar Grain Structure
(University of Waterloo, 2021-05-21)One of the well-known AM techniques is laser powder-bed fusion (LPBF), which enables engineers to benefit from the concept of “design freedom” while designing complex geometries compared to other conventional methods. This ... -
Characterization and Size Optimization of Additively Manufactured Flexible Piezoresistive Sensors for Vibration Strain Sensing
(University of Waterloo, 2021-12-21)Flexible piezoresistive strain sensors have promising applications in areas such as wearables and soft robotics. For sensing dynamic strains, such as a runner’s gait or a slipping object held by a robotic gripper, these ... -
The Characterization of Graphene Paper for Flexible Electronics Application
(University of Waterloo, 2016-09-29)Graphene has been gaining attention mainly because of its exceptional electrical and mechanical properties. Mono layer graphene with its planar hexagonal lattice structure is transparent and flexible. Together with its ... -
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 ... -
Comprehensive Analytical Modeling of Laser Powder-Bed/Fed Additive Manufacturing Processes and an Associated Magnetic Focusing Module
(University of Waterloo, 2019-05-21)State-of-the-art metal additive manufacturing (AM), mainly laser powder-fed AM (LPF-AM) and laser powder-bed AM (LPB-AM), has been used to produce high-quality, complex-shaped, and end-user metallic parts. To achieve ... -
Coupled Experimentally-Driven Constraint Functions and Topology Optimization utilized in Design for Additive Manufacturing
(University of Waterloo, 2020-10-28)Topology optimization (TO) is a structural optimization technique that searches for the proper material distribution inside a design space such that an objective function is maximized/ minimized. Rapid prototyping ... -
Coupled Topology Optimization and Process Simulation System for Laser Powder-bed Fusion Additive Manufacturing
(University of Waterloo, 2019-12-11)Additive Manufacturing (AM), widely known as 3D printing, is a transformative method to industrial manufacturing, helping in creating lighter, stronger, smarter parts and systems. As one of the most important and commercially ... -
Design for Additive Manufacturing: Topology Optimization of Structures under Design-Dependent Loads and Manufacturing Constraints
(University of Waterloo, 2021-05-18)The advances in additive manufacturing (AM) have opened new possibilities in design and manufacturing that were not previously attainable. AM has found application in several industries such as aerospace, medical, automotive, ... -
Development of a Magnetic Levitation System for Additive Manufacturing Processes
(University of Waterloo, 2022-12-21)Magnetic levitation and Additive Manufacturing (AM) are both highly innovative fields that have changed the trajectory of development within a wide variety of applications. Magnetic levitation techniques offer noncontact ... -
Eddy Current Probes Design for Defect Detection in Metallic Parts Made by Additive Manufacturing Processes
(University of Waterloo, 2023-01-04)Non-destructive testing (NDT) is the method where an object or materials are being tested for any type of damage or features without harming the object during the process. There are different NDT techniques; in this ... -
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 ... -
Effect of microstructure in electrospark deposition repaired conventional and additive manufactured Ni-superalloys
(University of Waterloo, 2021-04-23)The ability to extend component lifespans and improve performance through repair and coating techniques is an important area of research with widespread industrial applications. Numerous industries, including aerospace, ... -
Electro-Spark Deposition Machine Design, Physical Controls and Parameter Effects
(University of Waterloo, 2017-01-03)Electro-spark deposition (ESD) is a micro welding process characterized by short duration high current pulses, often generated by capacitors, arcing between a conductive electrode and substrate. The high intensity, low net ... -
Embedding Optical Sensors in Additively Manufactured Parts for In-Situ Performance Measurement
(University of Waterloo, 2021-05-18)The aim of this project is to explore the potential of embedding sensors in additively manufactured metal parts towards smart product development. Smart product development is desirable due to its ability to detect product ... -
Hardware Design and Implementation of an Electromagnetic Levitation System in an Additive Manufacturing Environment
(University of Waterloo, 2022-04-29)Magnetic Levitation and Additive Manufacturing are two promising fields with ever growing interest in several industrial settings. There is, however, negligible overlap between the two fields. This research aims to combine ...