This decommissioned ERA site remains active temporarily to support our final migration steps to https://ualberta.scholaris.ca, ERA's new home. All new collections and items, including Spring 2025 theses, are at that site. For assistance, please contact erahelp@ualberta.ca.
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Skip to Search Results- 2Atai, Ali Asghar.
- 2Belay, Tsegay
- 2Bhaduri,Swayamdipta
- 2Brenneis, Dylan
- 2Carrigy, Nicholas B.
- 2Chen, Jie
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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...
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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...
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Fall 2021
This thesis investigates the experimental mechanical behavior of polymeric foams, specifically studying the effects of microstructural features (pore size and wall thickness), foam density, and strain-rate-dependency on their stress-strain, lateral-axial strain, and failure. This thesis explores...
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Design and Analysis of Complex Composite Structure Subjected to Combined Loading Conditions
DownloadFall 2012
Axisymmetric fiber-reinforced polymer composite structures such as pressure vessels and piping manufactured by braiding and filament winding are being widely used in different industrial applications where combined loading conditions may be applied. The aim of this study was to determine the...
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Design and Characterization of a Novel Mechanical Surrogate Neck Model for Use in Head Impact Applications
DownloadFall 2020
Head and brain injuries are commonly caused by head impacts in sport and recreational activities. Despite attempts to decrease head impact injury risk through mandated helmet use, mild brain injuries are still prevalent. Brain injury research and helmet assessment methods use surrogate models to...
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Design and Construction of a Temperature Cell to Study the Effect of Temperature Rise on Particle-Drop Impact
DownloadFall 2013
An experimental device aimed at simulating interactions in a fluidization process was designed, built, and tested to allow future study of drop-particle impact at high temperatures. The design parameters were defined based on theoretical investigations. A feasibility study were developed using...
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Design and Development of a New Model for Predicting the Mechanical Properties of Three-Dimensional Braided Composite Materials
DownloadFall 2018
Three-dimensional (3D) braided composite materials have been used in the transportation, aviation, and military applications because of their many beneficial attributes. Included in these attributes is their increased through thickness properties that make them an idea replacement for composites...