Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 78 for “"candidate materials"”.
-
Mechanical Properties of Candidate Materials for Morphing Wings
… thesis investigates the mechanical properties of candidate materials that could be used as a skin for a morphing wing. A morphing wing is defined as a wing that changes shape. Although engineers have been designing different morphing wing configurations, there has been limited research …
-
Exposure and Characterization of Candidate Materials for Use in Supercritical Water Reactors
… steels and nickel based superalloys are candidate materials for the structural components of energy generation that makes use of supercritical water, owing to the high strength and corrosion resistance required for operation under these conditions. The supercritical water loop at The …
-
Preliminary corrosion studies of candidate materials for supercritical water oxidation reactor systems
… Institute of Technology, Dept. of Materials Sciences & Engineering, 1994.
-
Economic assessment of candidate materials for key components in a grid-scale liquid metal battery
… at a cost of about $100/kWh for the active materials. Several battery systems have been developed and that target has been slowly coming into focus. The liquid metal battery attempts to redefine the typical storage system by maintaining components in a molten state and seeks to do so using …
-
Oxidation behavior of very high temperature reactor (VHTR) candidate materials: 316l stainless steel, Alloy 617, and Incoloy-800H
… behavior of three high temperature reactor candidate materials, 316 L stainless steel, alloy 617, and Incoloy 800-H under different conditions were investigated in the present work. For molybdenum-based 316 L stainless steel, the tests were performed isothermally at temperatures between 773 …
-
Identification of dynamic properties of materials for the spent nuclear fuel package at elevated temperatures
… identify the dynamic properties of materials for the spent nuclear fuel package at elevated temperatures. The implementation of the project involves a number of steps. First, candidate materials for the nuclear fuel package and the appropriate testing systems were identified [15]. …
-
Multi-Material Topology Optimization Incorporating Practical Considerations in Response, Material Type Selection and Dissimilar Materials Joint
… TO has evolved from considering a single candidate material to incorporating multiple candidate materials, thereby increasing design flexibility. The objective of this thesis is to propose an advanced Multi-Material Topology Optimization (MMTO) methodology emphasizing practicality in three …
-
The influence of time-dependent material behavior on the response of sandwich beams
… of the time-dependent behavior of various materials being considered for use in orbiting precision segmented reflectors, simple sandwich beam models are developed. The beam models included layers representing face sheets, core and adhesive. The issue of time-dependency is essential because …
-
Supercritical carbon dioxide-processed resorbable polymer nanocomposites for bone graft substitute applications
… situations necessitate the use of bone graft materials to enhance bone formation. While autologous and allogenic materials are considered the gold standards in the setting of fracture healing and spine fusion, their disadvantages, which include donor site morbidity and finite supply have …
-
Carbon nanotube interconnects for IC chips
Carbon nanotubes (CNTs) have been investigated as candidate materials to replace or augment the existing copper-based technologies as interconnects for Integrated Circuit (IC) chips. Being ballistic conductors, CNTs are capable of carrying higher current densities of up to 10¹⁰A/cm² and high …
-
First-principles study of phonon drag effect in SiGe alloys
Thermoelectric materials with large figures of merit zT ([mathematical equation], where S, T, [sigma], K are the Seebeck coefficient, absolute temperature, electrical conductivity and thermal conductivity) are promising candidate materials for efficient solid-state devices for electricity …
-
Material selection and manufacture for a polymer heart valve application
… and polyurethane-based block copolymers as candidate materials for study. Styrene-based block copolymers had been well studied in their fatigue behaviour, but more insight was required into their biostability. On the other hand, polyurethane-based block copolymers are reputable for their …
-
An Investigation into Topological Crystals and Flat Band Systems
… investigated through measurements of crystalline materials. This thesis investigates the synthesis of 3-dimensional systems under two broad classes: topological materials and flat band materials. The topological systems investigated include the topological insulator Cu₂Ti, the Weyl semimetal …
-
Introduction of a Fully Relativistic Capable Basis Set in the ab initio Orthogonalized Linear Combination of Atomic Orbitals Method
… accurate prediction of the optical properties of candidate materials for solid-state laser crystal and luminescent applications. To overcome these challenges, new methods must be created to improve the electron orbital wavefunction and interactions. In this work, a method has been developed to …
-
TRANSVERSE RESONANCE ORTHOGONAL BEAM (TROB) SINGLE CRYSTAL UNDERWATER TRANSDUCERS
… and electromechanical coupling factors. They are candidate materials for high-performance broadband medical, industrial and underwater transducers involving transmission and reception of large amounts of signals and information. In this research, using the excellent transverse piezoelectric …
-
Constant Velocity Combustion Scramjet Analysis
… the ideal scramjet, by varying three different candidate fuels and three different candidate materials for the combustion chamber. The engine parameters are related by the lower heating value (hpr) of the fuel and the maximum service temperature (tmax) of the material. This convenient …
-
The wear of materials in an ash conditioner
… carried out in situ using a variety of generic materials. A ranking order of wear performance has been established both as a function of material and operating costs, and it has been demonstrated that impressive cost savings can be effected by the use of ceramic-coated steel mixing blades. The …
-
Identification of dynamic properties of materials for the nuclear waste package
… to experimentally identify dynamic properties of materials for the nuclear waste container; The implementation of the project involves a number of steps. First, candidate materials for the nuclear waste package were identified. Literature review showed that the behavior of these materials under …
-
Magnetic and Toroidal Symmetry of Lithium Transition Metal Orthophosphates
LiCoPO4 is the foremost candidate material for a novel type of ferroic ordering calledferrotoroidicity. In this work, the synthesis of polycrystalline sample of LiCoPO4 is discussed, along with the structural analog LiMnPO4. Their magnetic susceptibility and magnetic structure were determined and …
Page 1 of 4