Browsing Auburn Theses and Dissertations by Department "Mechanical Engineering"
Now showing items 21-40 of 428
Analytical and experimental analysis of the permanent deformation after collisions
(2017-08-03)
This work studied the normal and oblique impact of elastic-plastic metals. The focus of this work was to investigate the relations between the permanent deformations after the collisions and the motion of the impacting ...
An Analytical and Experimental Investigation of Nanoparticle Lubricants
(2014-07-29)
This work investigated the tribological effects of nanoparticle additives on lubrication through experimental and analytical investigations on colloidal lubricants. The focus of this dissertation was to investigate and ...
Application of Low Melt Alloys as Compliant Thermal Interface Materials: A Study of Performance and Degradation under Thermal Duress
(2016-07-08)
Thermal interface materials (TIMs) are a crucial part of thermal management in micro-electronics and often can account for a significant portion of the overall thermal budget. Generally, materials with high thermal ...
Applications of Robotic Devices for Motor and Sensory Rehabilitation
(2023-04-24)
With the increase of individuals effected by neurological disease, individualized rehabilitation methods can allow for improvement. Robotic intervention in rehabilitation enables a standardized, individualized practice ...
Area-Array Package Reliability Models for No-Core PCB Assemblies in Extreme Thermo-Mechanical Environments
(2007-08-15)
The trends in the electronic packaging industry are to design smaller packages that have higher complexity, and to improve package reliability while reducing costs. These needs in the packaging industry have lead to a ...
Ballistic Limit Velocity For Continuous Fiber Polymeric Composite Materials and Polymers Through Experimental and Numerical Methods
(2015-05-06)
Composite materials are often subject to harsh operating environments which may include impact from errant projectiles of various geometries traveling at specific velocities and trajectories. Experimentalists seek to ...
Bipedal Impact with Granular Matter
(2014-11-06)
Impact with granular matter has been of great interest to researchers for decades, mainly because the material, as a conglomeration of discrete solids, behaves as a fluid until a solid like behavior becomes established. ...
Cavitation Studies of Lumbar Zygapophysial Joints using Vibration Measurements
(2011-04-15)
The purpose of this research project was to locate the level of cavitation in zygapophysial (Z) joints in the lumbar spine (L1/L2-L5/S1) and the sacroiliac joints (SIJs) during side-posture positioning and spinal manipulative ...
Chaotic Dynamic Character of Human Chewing Determined Using New Three-Dimensional Motion Capture Techniques
(2015-05-05)
A need exists to determine the dynamic character of natural human chewing so human mandible or lower jaw biomechanics can be fully understood. No one has reported investigating the dynamic character of natural human chewing ...
Characterization and Dynamic Analysis of Damping Effects in Composite Materials for High-Speed Flywheel Applications
(2007-05-15)
The directional mechanical properties of carbon fiber reinforced composite
materials make them suitable for components of flywheel energy storage systems.
Particularly the hub-rim interface is a component where fiber ...
Characterization and Prediction of Material Response of Micro And Nano-Underfills for Flip Chip Devices
(2006-05-15)
Silica particles are used as a filler material in electronic underfills to reduce coefficient of thermal expansion of the underfill-epoxy matrix. In traditional underfills, the size of silica particles is in the micrometer ...
Characterization of Defeat of Weaponized Biological Spores via Heat Transfer
(2016-12-09)
During the past few decades, there has been concern that large amounts of weaponized Bacillus Anthracis (Ba) is being created and stored in 55 gallon barrels by potential adversaries of the United States. The most likely ...
Characterization of Die Stress in Microprocessor Packaging Due to Mechanical, Thermal, and Power Loading
(2014-08-05)
Microprocessor packaging in modern workstations and servers often consists of one or more large flip chip die that are mounted to a high performance ceramic chip carrier. The final assembly configuration features a complex ...
Characterization of Die Stresses in Large Area Array Flip Chip Packages
(2008-08-15)
Microprocessor packaging in modern workstations and servers often consists of one or more large flip chip die that are mounted to a high performance ceramic chip carrier. The final assembly configuration features a complex ...
Characterization of Moisture and Thermally Induced Die Stresses in Microelectronic Packages
(2017-09-20)
Moisture has been one of the major concerns for package designers and reliability researchers. It is well-known that high humidity combined with high temperature can cause a number of failure modes to electronic devices, ...
Characterization of Structurally-Enhanced Solder Joints Using Vertically-Aligned Carbon Nanotubes
(2014-07-29)
Since the demand for more efficient means of electronics cooling has grown significantly over recent years, the need for more advanced thermal interface materials has also increased. Thermal interface materials (TIMs) are ...
Charging strategy considering subzero temperature based on electrochemical-thermal life model for lithium-ion batteries
(2021-12-05)
In order to overcome range anxiety of electric vehicles (EVs) powered by lithium-ion batteries, more batteries are installed to increase battery capacity, which results in a long charging time that is one of the most ...
Classification of Ego Platform Motion for Platform Independent Plug and Play Navigation
(2016-05-05)
This dissertation presents a method of using these kinematic constraints without requiring this apriori knowledge of the application platform. The method is termed ``joint navigation and classification'' (JNC), and involves ...
Closely Coupled GPS/INS Relative Positioning For Automated Vehicle Convoys
(2011-04-15)
In this thesis, differential GPS methods are developed for use in automated vehicle convoy positioning. The GPS pseudorange and carrier phase measurements are used to compute relative position vectors between two vehicles ...
Cold Metal Transfer-Gas Metal Arc Welding (CMT-GMAW) Wire + Arc Additive Manufacturing (WAAM) Process Control Implementation
(2018-04-13)
While additive manufacturing is comprised of metal and polymer fabrication, current additively manufactured polymer-based products are much further from being put into industrial applications. Metal-based additive ...