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 166 for “"Tiles"”.
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Geo-tiles: manufacturing tiles from copper mine tailings using geopolymerisation
… tailings, as the primary raw material to produce tiles using the low-energy geopolymerisation process. Traditional efforts to increase sustainability of ceramic tile manufacturing include waste valorisation to reduce virgin raw material consumption and optimisation of the manufacturing process to …
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Manufacturing bio-tiles
Bio-tiles are a biobased alternative to conventional tiles that utilise a promising low energy technology called microbially induced calcium carbonate (CaCO3) precipitation (MICP). This work aimed to determine whether bio-tiles that meet the strength requirements of conventional ceramic tiles could …
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Self assembling magnetic tiles
… chain is predetermined by the sequence of the tiles. For this thesis, two chains were manufactured, each self assembling into one distinct shape. One chain self assembled into a sphere while the other self assembled into a '3-leaf clover'. An important characteristic shared by the two chains is …
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And there were green tiles on the ceiling
In this document I shall explain my art process, and reflecting on my work, will explore the themes and emotions that evolved. I shall accompany the images of my MFA exhibition with personal poetic vignettes. These vignettes are memories and thoughts that surfaced both while making the art and …
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Control of Sound Transmission with Active-Passive Tiles
… involves the use of lightweight stiff panels, or tiles, attached to a radiating base structure through active-passive soft mounts and covering the structure surface. The resulting double-partition configuration was shown to have good high frequency passive isolation, but poor low frequency …
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Exploring the Performance of Active Thermal Tiles for Space Applications
The Active Thermal Tiles (ATTs) experiment explores another option for managing electronic component temperatures onboard spacecraft. The ATTs are based on thermoelectric devices that can alter the thermal gradient between the bus and component. Because ATTs do not rely on fluids or moving parts, …
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The Emergence of Ceramic Roof Tiles in Archaic Greek Architecture
This dissertation considers the origins of roof tiles in Greek architecture. The primary focus is the Protocorinthian tile system, including the first archaeologically dated roof from the Old Temple at Corinth as well as similar roofs from Isthmia and Delphi. The manufacturing techniques of the …
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Mechanical and thermal properties of polypropylene/clay roof tiles waste (PP/CRTW) composites
The usage of clay roof tiles waste as a filler in composite was studied. Polypropylene (PP) composites of clay roof tiles wastes (CRTW) for low strength applications were prepared at filler contents 5%, 10%, 15%, 20%, 25% and 30%. Unfilled PP used as reference sample. The clay roof tiles wastes …
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Mechanical properties of ceramic tiles by replacement of quartz by RHA and POFA
… effects on the properties of porcelain tiles. For the RHA, the highest bulk density (2.42 g/cm3) and compressive strength (44 MPa) were recorded on 20 wt% of RHA at the sintering temperature of 1200 οC and the soaking time of 2 hours. For the POFA, the highest bulk density (2.45 g/cm3) …
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Development of the porcelain tiles by the partial substitution of feldspar with fly ash
Fly ash properties are unusual among engineering materials. Typically used for embankment construction, fly ash is well known in the production of cement, concrete and brick. Fly ash is one of the palm oil waste products from the combustion of palm fiber and shells in the boiler which are collected …
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Analysis of damage mechanisms in boronized TZM tiles from Alcator C-Mod fusion reactor operations
… time, it was discovered that the boronized TZM tiles, with boron films applied in situ, lining the inner surfaces of the reactor had experienced non-uniform damage as a result of plasma interactions. This damage was most pronounced in the tiles from the limiter and divertor, but also appeared in …
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MPEG encoding on the Raw microprocessor
… be achieved with respect to both number of Raw tiles and size of the video image being encoded. These speedups are confirmed through the use of real Raw hardware (up to 16 tiles) and the Raw simulator (up to 64 tiles). It will also be shown that processing power can be allocated at runtime, …
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Exploring the possibility of low temperature glazing in faience from the Djoser Step Pyramid through compositional analysis
… the collection of approximately 36,000 faience tiles from the Step Pyramid of the Third Dynasty Pharaoh Djoser (2667 - 2648 BCE). Based on past research, these tiles have been supposed to be glazed in a range of firing temperatures from 850°C to 900°C. Recent research of efflorescence-glazed …
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Caso de estudio: exportación de baldosas de porcelanato para el mercado estadounidense
… presents the proposal of export of porcelain tiles to the US market, specifically to distributors who import both red and white body tiles in their various sizes. The first chapter describes the profile of the country of destination, relevant socio-economic political characteristics and …
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Exploring strengthening mechanisms for Class C and Class F fly ash in load bearing floor tile applications
… in the manufacturing process of traditional clay tiles. With this in mind, the goal of this project was to develop an eco-friendly alternative to clay tiles that maintain the ASTM building code standards. Through experimentation, a fly ash tile was produced that consumes 99% less energy in the …
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Produção de grês porcelanato a partir de matérias-primas do estado da Bahia
… Nowadays only four companies producting ceramics tiles. Porcelainized stoneware tiles is one of the noblest ceramics, depicting low water absorption (typically below of 0,5%), in addition to excellent staining resistance and mechanical strength. The present work aims at investigating the potential …
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Limiting Behavior of Nondeterministic Fillings of the Torus by Colored Squares
… We are interested in the ratio of black to total tiles once the domain is saturated for large domains. Next we study the annealing process. Given a random excited tiling of an n×n torus, we show that as t→∞ the system reaches a stable state in which no tile is excited. This stable state can either …
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Realizzazione di riporti funzionalizzanti su superfici ceramiche per la produzione di energia elettrica mediante effetto fotovoltaico
… of CECERBENCH laboratory, which aims to develop "Tiles with a functionalised surface”. The innovation lies in the study of materials and in the development of technologies to achieve a "photovoltaic surface", directly in the tiles production process. The goal is to preserve the technical …
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