Search
Skip to Search Results- 1Ayranci, Cagri (Mechanical Engineering)
- 1Daneshmand, Mojgan (Electrical and Computer Engineering)
- 1Dr. Cagri Ayranci (Department of Mechanical Engineering)
- 1Dr. David Nobes (Department of Mechanical Engineering)
- 1Henein, Hani (Materials Engineering)
- 1Jar, P. -Y. Ben (Department of Mechanical Engineering)
-
A Fully 3D Printed Waveguide and its Application as Microfluidically Controlled Waveguide Switch
DownloadFall 2016
Hollow rectangular waveguides are employed extensively in microwave and millimeter wave devices owing to their relatively high power handling capabilities and low losses, particularly at higher frequencies, compared to transmission lines. However, the fabrication of such metal waveguides suffer...
-
Additive Manufacturing of Shape Memory Polymers: Effects of Print Orientation and Infill Percentage on Mechanical and Shape Memory Recovery Properties
DownloadFall 2017
Material Extrusion Additive Manufacturing (MEAM), also known as Fused Deposition Modeling (FDM), is a manufacturing technique in which three-dimensional objects are built. These objects are built by repeatedly extruding thin layers of molten materials through a nozzle in different paths and...
-
Spring 2018
Shape memory polymers (SMPs) can be used in many critical applications, including biomedical and aerospace fields, due to their ability to recover their original/permanent shape from a deformed/temporary shape upon application of a stimulus. SMPs are subjected to bending in a large number of...
-
Fall 2009
The vulnerability and movement behaviour of slow moving slides are investigated. The study focuses on slides moving at rates ranging from a few millimetres a year like extremely slow slides, to 13 meters per month, the upper velocity range of slow slides. An extensive review of the effect of pore...
-
Fall 2014
Ductile and brittle failure behaviors of semi-crystalline polymers such as high density polyethylene (HDPE) were investigated under uni-axial tensile loading at various test conditions. The first part of the thesis examines the influence of aspect ratio of rectangular cross-section on the...
-
Deformation Transitions and their Effects on the Long-term Performance of Polyethylene and its Pressure Pipe
DownloadFall 2021
Ductile-to-brittle (DB) transition is of tremendous importance for lifetime prediction of polyethylene (PE). Majority of current methods for determining critical stress for the DB transition of PE products use notched coupon specimens in order to shorten the test timeframe. However, those work...
-
Design and system identification for a plasma transferred arc additive manufacturing technology
DownloadFall 2021
The increase in the pace of development of additive manufacturing technology opens new markets and expands the scope of research and knowledge. Additive manufacturing, previously known as rapid prototyping, can employ advanced state-of-the-art materials, such as metal composites, in metal 3D...
-
Development and characterization of magnetic particle reinforced polymers for additive manufacturing processes
DownloadFall 2020
Additive manufacturing enables the production of complex parts with less tooling and minimum material wastage. Polymer composites with magnetic functionality are promising for many applications like sensors, non-contact actuators and permanent magnets for electromechanical devices. The primary...
-
Development of a Large-scale Continuous Carbon Fiber Composite Additive Manufacturing System Based on Fused Granular Fabrication
DownloadSpring 2024
The thesis details the design and development of a method to additively manufacture continuous carbon fiber in a polyether ether ketone (PEEK) polymer matrix at a large scale. The majority of the additive manufacturing techniques are limited by size and printing time. Furthermore, the mechanical...
-
Spring 2010
Coke drums are vertical pressure vessels used in the delayed coking process in petroleum refineries. Significant temperature variation during the delayed coking process causes the useful life of coke drums to be shortened. In order to better understand the failure mechanisms, a experimental study...