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.
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Showing 1 to 20 of 325 for “"Cladding"”.
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Laser cladding with metallic powders
… discussed. Using these models, useful tools for cladding operators and engineers are proposed. The energetic balance of the process is presented. Energetic redistribution in laser cladding process is analysed in detail, and quantification of process efficiency and energy losses is given. The …
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CRUD resistant fuel cladding materials
… products that form on the surface of fuel cladding rods during the operation of Pressurized Water Reactors (PWR). CRUD has deleterious effects on reactor operation and currently, there is no effective way to mitigate its formation. The Electric Power Research Institute (EPRI) CRUD Resistant …
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Cladding-pumped Raman fibre laser sources
In this thesis, I investigate cladding-pumped Raman fibre lasers and amplifiers. Such devices, offering a novel way to generate Raman gain, combine the advantages of the hugely successful cladding-pumped rare-earth doped fibre lasers with those of stimulated Raman scattering. They not only inherit …
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Novel Cladding Designs for Engineering Electromagnetic Scattering
The rapid development of metamaterials and meta surfaces has revolutionized the field of electromagnetic wave manipulation, offering unprecedented control over wave propagation, reflection, and refraction. These engineered materials, characterized by their unique ability to exhibit properties not …
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EXTERNAL CLADDING DEFECTS AND PROPOSED ROBOTIC INSPECTION SYSTEMS
… clad with various proprietary types of cladding. This thesis reviews the different types of claddings used on high-rise commercial buildings in Singapore, and the importance of regular inspection and maintenance of these buildings. Efforts have been made to determine the frequency of …
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A Thermal and Mechanical Model of Laser Cladding
… Simulation results were obtained for a system (cladding of C95600 copper on AA333 aluminum alloy) in which experiments had been successfully carried out. A simple model of dilution, i.e. the change in local composition due to mixing, is included. In 3D stress analysis, numerical convergence is …
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Development and validation of a fatigue-resistant cladding technology
… the applied joining process. A fatigue-resistant cladding technology is presented in this thesis, with the aim of inducing compressive residual stresses in the clad layer. Through the generation of these beneficial compressive residual stresses an improvement in fatigue performance can be achieved …
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Marketing modernism: Aluminum cladding and the American commercial landscape
… examines the way in which commercial aluminum cladding was marketed as both instrumental in modernization and an image of modernity. Producers claimed that aluminum possessed properties which they believed underpinned the agency of aluminum to enact specific advantages for buyers. Properties …
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Evaluation of cracking and localized corrosion behavior of cladding materials
This investigation is focused on the evaluation of stress corrosion cracking (SCC), hydrogen embrittlement (HE) and localized corrosion (pitting and crevice) susceptibility of zircaloy-2 and zircaloy-4 in neutral and acidic solutions at 30, 60, 90°C. Constant-load and slow-strain-rate (SSR) …
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Cladding Protection of Reinforced Concrete Structural Members against Blast Loading
… foam has been introduced to be a sacrificial cladding on structures. This thesis aims to discover the protective effect of aluminium foam on reinforced concrete (RC) structural members which has been a common structural type for existing buildings. Homogeneous aluminium foam was firstly …
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Study of the effects of surface cladding on 3D transmon
… after growth. Overall it doesn’t appear that cladding the surface changes the coherence time much, however it is difficult to form conclusions with this small sample size. The coated samples appeared to have slightly longer coherence times than the untreated samples, with diffusive oxidation …
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Safety of light water reactor fuel with silicon carbide cladding
… fuel rod with triplex silicon carbide (SiC) cladding - an emerging option to replace the zirconium alloy cladding - are assessed. Its behavior under accident conditions is examined with an integrated approach of experiments, modeling, and simulation. High temperature (1100°C~1500°C) steam …
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Hydrogen entry in Zircaloy-4 fuel cladding : an electrochemical study
… and hydrogen pickup of zirconium alloy fuel cladding in water cooled nuclear reactors are life-limiting phenomena for fuel. This thesis studies the fate of hydrogen liberated by waterside corrosion of Zircaloy-4 fuel cladding in Pressurized Water Reactors (PWRs): are the adsorbed protons …
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High-power cladding-pumped Raman and erbium-ytterbium doped fibre sources
… fibres and high power laser diode pump sources. Cladding-pumped fibre lasers are now a rapidly expanding and emerging technology with a wide range of applications, where high-power and high-brightness laser sources are required. Nevertheless, so far, most high-power lasers have been based on …
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Impact of cladding on mid-rise buildings in the Northridge Earthquake
In this thesis, the importance of cladding panels on mid-rise buildings in an earthquake-prone region is investigated. A cladding panel acts as a protective or an insulating layer to control weather infiltration. The Northridge Earthquake, which took place on January 17, 1994, caused numerous heavy …
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Fabrication and Characterization of Superconducting Core Fibers with Fused Silica Cladding
… superconductor core fibers with a fused silica cladding via the melt-draw approach, as well as develop appropriate characterization techniques to describe the fibers produced. In addition, a further objective was to determine the cooling efficiency of ordered holes around a superconductor core …
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The prediction of industrial noise and its transmission through metal cladding systems
… is that of sound transmission through metalcladding systems.Part II tackles this subject in greater depth. The sound reduction of single-leaf claddingsystems is measured in order to establish basic properties. This reveals pronouncedtransmission characteristics which can be explained by …
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Rendered rainscreen walls - cavity ventilation, ventilation drying and moisture-induced cladding deformation
… frame structure and rendering on insulation as a cladding has been a widely debated subject which has received a lot of attention. In the light of this, the interest in an alternative construction method where rendering is applied on boards instead of insulation has increased. In this method, …
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