RSS 1.0Electronic Dissertations and Theses - Mechanical and Materials Engineering
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This collection features theses and dissertations by students in the School of Mechanical and Materials Engineering at Washington State University.
Recent Submissions
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SIMULATION STUDIES AND FABRICATION OF MICROTRAPS WITH LONG ASPECT RATIO TO STORE HIGH DENSITY OF POSITRONS
(2015)Conventionally, non-neutral antimatter is stored using a Penning-Malmberg trap, a single tube with aspect ratios being of the order of less than 10:1. Parallel microtubes with aspect ratios of 1000:1 have the potential to ... -
NUMERICAL MODELLING OF THERMOACOUSTIC HEAT PUMPS AND PRIME MOVERS WITH NO STACKS AND INTERMITTENT STACKS
(2015)Thermoacoustic systems with no stacks or intermittent stacks represent a promising alternative to conventional stack-based systems. There is theoretical and experimental evidence that such systems can perform more efficiently ... -
Fabrication and characterization of carbon nanotube turfs
(2013)Carbon nanotube turfs are vertically aligned, slightly tortuous and entangled functional nanomaterials that exhibit high thermal and electrical properties. CNT turfs exhibit unique combinations of thermal and electrical ... -
ATOMISTIC SIMULATION STUDY OF THE EFFECTS OF POINT DEFECTS ON THE INCEPTION OF PLASTIC DEFORMATION IN METALS
(2013)Atomistic simulations have been used to study the effect of various types of point defects on the mechanical response of FCC single crystals in nanoindentation and uniaxial tests. To study the effect of spatial distribution ... -
MULTISCALE MODELLING AND SIMULATION OF DEFORMATION AND STRENGTH OF NANOSCALE METALLIC MULTILAYER SYSTEMS
(2013)The objective of this research is to investigate the deformation behaviors of two types of NMMs at lower length scales: 1) One dimensional Cu-Ni, Au-Ni nanowires with coherent interfaces and 2) Two dimensional Cu-Nb ... -
A Semantic Approach Based on Ontologies to Support Engineering Knowledge Retention and Exchange in the Product Assembly Design and Training Domains
(2013)This research presents a semantic approach using ontologies to share knowledge and exchange product assembly knowledge at the semantic level in the two categories of domains: product assembly design domain and assembly ... -
MODELING TEMPERATURE DEPENDENT DYNAMIC CONTRACTILE PROPERTIES IN HUMAN SKELETAL MUSCLE FIBERS USING CROSSBRIDGE MODELS
(2013)The goal of mathematical muscle models is to predict the force-generating properties during -
Physicomechanical, In Vitro and In Vivo Performance of 3D Printed Doped Tricalcium Phosphate Scaffolds for Bone Tissue Engineering and Drug Delivery
(2013)Although tricalcium phosphate (TCP) is widely used in bone tissue engineering, the strength degradation kinetics is not well controlled. This study focuses on the underlying mechanism of strength degradation kinetics by ... -
LIQUID PHASE SINTERED COMPOSITE SOLDERS FOR NEXT GENERATION THERMAL INTERFACE APPLICATIONS
(2013)It is undeniable that electronics are becoming increasingly powerful and that there is continual effort towards miniaturization of these devices and thus increasing heat generation requires a new paradigm in thermal interface ... -
Structural and Electronic Properties of Porphyrins and Phthalocyanines Self Assembled on Conductive Surfaces
(2013)Phthalocyanine and porphyrin compounds are intensively studied for their important physical and electronic properties. These organic compounds possess semiconductor properties that make them great candidates for several ... -
STRATEGIC APPROACHES TOWARDS SOLVING CRITICAL CHALLENGES IN CRYSTAL GROWTH OF DETECTOR GRADE Cd0.9Zn0.1Te INCLUDING MELT MIXING TECHNIQUES
(2013)Over the last few decades Cadmium Zinc Telluride (CZT) has emerged as a novel material for radiation detection in homeland security as well as medical applications and as substrates for epitaxial growth of infrared detector, ... -
Lattice locations and diffusion in intermetallic compounds explored through PAC measurements and DFT calculations
(2012-05)Site preferences of 111In/Cd impurity probe atoms were studied as a function of composition in Al3Ni and as a function of temperature in Al3Ti and Al3Zr structures using perturbed angular correlation of gamma rays (PAC). ... -
A CAD-BASED SOFTWARE FRAMEWORK FOR ESTIMATING ENERGY THROUGH A PRODUCT LIFE CYCLE
(2012)Excessive energy consumption has become a worldwide issue in today's design and manufacturing industry. A framework for estimating energy consumption that could later be used to integrate with CAD/CAM systems is in demand. ... -
Thermoacoustic Phenomena in Small-Scale Systems
(2012)Thermoacoustic phenomena in small-scale systems are investigated, and results are presented on the following topics: the acoustic properties of porous and fibrous materials, the modeling of thermoacoustic resonators with ... -
FABRICATION AND CHARACTERIZATION OF MULTIFUNCTIONAL POLYETHERIMIDE/CARBON NANOFILLER COMPOSITES
(2012)Polyetherimide (PEI) is a high-performance thermoplastic, showing great potential in many important applications including airplanes and electronics, due to its excellent mechanical and thermal properties. At the same time, ... -
MODELING AND SIMULATION OF ELECTROKINETIC MANIPULATION OF BIOLOGICAL PARTICLES
(2012)Recent experimental studies show that electrophoretic and dielectrophoretic these two electrokinetic forces can manipulate biological particles efficiently in micro/nanofluidic devices. Electrokinetic forces in those devices ... -
Hydrogen and related defects in oxide semiconductors
(2012)Oxide semiconductors are an interesting class of materials which occur in a variety of crystal structures and exhibit diverse electronic and optical properties. This thesis is primarily focused on investigating defects in ... -
Compliant Material for MEMS Contacts and Interconnects
(2012)This dissertation focuses on deformation in metallic materials which are possible choices for flexible electrical contacts. A contact for a micro mechanical switch has been fabricated using electroplated gallium (Ga) on ... -
ANALYSIS AND MODELING OF THE PRODUCT STRUCTURE AND COMMUNITY STRUCTURE IN OPEN SOURCE PROCESSES
(2012)Open source product development refers to a paradigm where large numbers of participants collaborate in the form of communities to develop new products and services. The fundamental differences between traditional product ...