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Relevant bibliographies by topics / Plasma sprayed ceramics / Dissertations / Theses

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Dissertations / Theses on the topic 'Plasma sprayed ceramics'

Author: Grafiati

Published: 7 September 2024

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1

Kadhim, Mohammed Jasim. "Laser cladding of ceramics and sealing of plasma sprayed zirconia based thermal barrier coatings." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/11288.

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2

Park, Hyuen Me (Mia) Park. "Numerical and experimental analysis of stress behavior of plasma-sprayed Bioglass on titanium /." Full text open access at:, 1996. http://content.ohsu.edu/u?/etd,587.

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3

Longchamp, Vincent. "Modélisation du comportement de céramiques projetées plasma sous choc par simulation discrète à l'échelle de la microstructure." Electronic Thesis or Diss., Paris, HESAM, 2024. http://www.theses.fr/2024HESAE018.

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Les revêtements en céramique obtenus par projection plasma (APS) ont une microstructure poreuse et micro-fissurée qui a un effet non négligeable sur les propriétés mécaniques lors d'impact de micro-débris ou de choc laser. En effet, la microstructure permet d'atténuer les ondes de compression, ce qui peut s'avérer utile pour réaliser des revêtements de protection.Dès lors, la caractérisation du lien entre la microstructure et les propriétés sous des sollicitations dynamiques, est nécessaire pour exploiter le potentiel de ces matériaux, mais la compréhension des mécanismes qui interviennent res

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4

Fox, A. C. "Gas permeation through plasma sprayed ceramic coatings." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599155.

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This work has addressed the gas transport rate and mechanism through plasma sprayed coatings. This is of particular interest for thermal barrier coatings (TBCs) and solid oxide fuel cell electrodes. Deposits of ZrO<SUB>2</SUB> - 8 wt% Y<SUB>2</SUB>O<SUB>3</SUB>, ZrO<SUB>2</SUB> - 14 wt% Y<SUB>2</SUB>O<SUB>3</SUB> and A1<SUB>2</SUB>O<SUB>3</SUB> have been plasma sprayed under varying conditions. Microstructural studies and density measurements have been carried out to characterise the porosity content and microcrack distribution. Crystallographic phase analysis and Young's Modulus measurements

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5

Erickson, Lynn C. "Wear and microstructural integrity of ceramic plasma sprayed coatings." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0008/NQ38881.pdf.

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6

Zhao, Jian. "Modelling damage and fracture evolution in plasma sprayed ceramic coatings : effect of microstructure." Thesis, Loughborough University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421924.

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7

Hansel, Jason Edgar. "The Influence of Thickness on the Complex Modulus of Air Plasma Sprayed Ceramic Blend Coatings." Wright State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1228478738.

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8

Gonçalves, Fernando de Almeida. "Caracterização de revestimento de titânia aplicado por aspersão térmica a plasma em liga Ti-6A1-4V para aplicação em implantes." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263529.

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Orientadores: Cecília Amélia de Carvalho Zavaglia, Carmo Roberto Pelliciari de Lima<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-20T04:15:56Z (GMT). No. of bitstreams: 1 Goncalves_FernandodeAlmeida_D.pdf: 4153645 bytes, checksum: fe7e541e43fe3f147ac65eff5bc547f0 (MD5) Previous issue date: 2012<br>Resumo: A necessidade de melhorar as características superficiais da liga Ti-4Al-6V usada em implantes ortopédicos, levou à pesquisas no sentido de estudar a modificação da superfície dos implantes através da deposiç

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9

Siegert, Roberto. "A novel process for the liquid feedstock plasma spray of ceramic coatings with nanostructural features." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=980671728.

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10

Aubignat, Emilie. "Contribution à la compréhension et à la maîtrise du procédé de projection plasma de suspensions céramiques." Thesis, Belfort-Montbéliard, 2014. http://www.theses.fr/2014BELF0238.

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La projection plasma de suspensions (SPS) est un procédé de revêtement de surface qui consiste à injecter une suspension (particules solides d’environ 1 μm ou moins, dispersées dans une phase liquide) dans un jet de plasma énergétique. Les particules sont chauffées, accélérées en direction d’un substrat, écrasées et soumises à une solidification très rapide (de l’ordre de 106 K.s-1). Couche après couche, un dépôt se forme en surface du substrat et lui apporte de nouvelles propriétés fonctionnelles. Cette variante de la projection plasma conventionnelle permet la fabrication de revêtements avec

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11

Zoghbi, Bassem El. "Modélisation et étude numérique de la fissuration lente des céramiques : influence de la microstructure et de l'environnement. Application aux céramiques élaborées par projection plasma." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENI007/document.

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Les céramiques sont sensibles à la fissuration lente qui résulte de l'effet conjoint entre un chargement mécanique et l'environnement (taux d'humidité et température). A partir d'études atomistiques disponibles dans la littérature, un modèle cohésif représentant localement la rupture assistée par l'environnement est proposé dans le cadre d'une formulation thermiquement activée. Nous montrons que cette description est capable de rendre compte de la fissuration lente en fatigue statique de monocristaux de céramiques, ainsi que la fissuration lente intergranulaire de polycristaux. Nous soulignons

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12

Jadhav, Amol D. "Processing, characterization, and properties of some novel thermal barrier coatings." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1183851697.

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13

Kane, Kenneth. "Metallic systems at the nano and micro scale: Bimetallic nanoparticles as catalysts and MCrAlY bond coats in thermal barrier coatings." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5732.

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The dissertation is split into two parts. The first part will be focused on changes in material properties found at the nanoscale, as miscibility and electronic structure can change significantly with size. The formation of classically-immiscible bimetallic nanoparticles (BNPs) becomes favorable at the nanoscale and novel catalytic properties can emerge from the bimetallic alloying. The formation of alloyed and non-alloyed BNPs is achieved through pulse laser ablation (PLA) and a significant increase in catalytic activity is observed for both. Recently discovered, the increased activity in the

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14

Thomas, Gareth James. "Advanced materials for plasma facing components in fusion devices." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:f8ba1ae1-f303-4c32-877e-dca421a3cb5c.

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This thesis describes the design, manufacture and characterisation of thick vacuum plasma sprayed tungsten (W) coatings on steel substrates. Fusion is a potentially clean, sustainable, energy source in which nuclear energy is generated via the release of internal energy from nuclei. In order to fuse nuclei the Coulomb barrier must be breached - requiring extreme temperatures or pressures – akin to creating a ‘star in a box’. Tungsten is a promising candidate material for future fusion reactors due to a high sputtering threshold and melting temperature. However, the large coefficient of thermal

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15

Samadi, Hamed. "A Thick Multilayer Thermal Barrier Coating: Design, Deposition, and Internal Stresses." Thesis, 2009. http://hdl.handle.net/1807/19086.

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Yttria Partially Stabilized Zirconia (Y-PSZ) plasma-sprayed coatings are widely used in turbine engines as thermal barrier coatings. However, in diesel engines Y-PSZ TBCs have not met with wide success. To reach the desirable temperature of 850-900˚C in the combustion chamber from the current temperature of 400-600˚C, a coating with a thickness of approximately 1mm is required. This introduces different considerations than in the case of turbine blade coatings, which are on the order of 100µm thick. Of the many factors affecting the durability and failure mechanism of TBCs, in service and resi

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16

Smith, Raymond F. "The characterization of cermet and ceramic plasma-sprayed coatings using four-point bend flexure experiments." 1996. http://catalog.hathitrust.org/api/volumes/oclc/37229908.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1996.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 65-67).

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17

Lian, Jenn-Chang, and 連振昌. "The study of wear life and fracture behavior of plasma sprayed aluminium oxide ceramic coating." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/67666743442547528399.

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18

Lin, Weei Bang, and 林偉邦. "Surface and Microstructural Modifications of Al2O3 and/or 8YPSZ Plasma-Sprayed Ceramic Coatings by Laser remelting." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/08720157924254563437.

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19

Zarzalejo, Maria. "Design and Development of Atmospheric Plasma Sprayed Ceramic Anodes for Solid Oxide Fuel Cells Operating under High Fuel Utilization Conditions." Thesis, 2012. http://hdl.handle.net/1807/42429.

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High fuel utilization SOFCs could eliminate emissions from systems that include afterburners and potentially be suitable for carbon sequestration, while producing electricity more efficiently. Current fuel utilization operating points are typically chosen at approximately 85% for Ni-cermet anodes because higher fuel utilization frequently results in the formation of nickel oxide and reduces drastically the performance of the SOFC. In this work the feasibility of an in-plane graded anode architecture with a transition from a material with high catalytic activity to materials more stable under h

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20

Chou, Chun-Hung, and 周俊宏. "The Simulation Analysis of the Process of Ceramic Membrane Preparation by Atmospheric Plasma Spray Coatings." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/75886869977933023311.

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碩士<br>中原大學<br>化學工程研究所<br>95<br>Air plasma spraying process was wildly used to produce ceramic membranes and thermal barrier coatings in industry field. It has been well-known that the particles melting status and its in-flight velocity was the most important factors that affect the lamellar formation and porosity. The interaction of particles with the plasma jet is crucial to the coating properties. However, direct measurement of particle heating history was difficult in experiments because of its residence time is extremely short. All the information concerning particle melting state can’t th

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21

Siegert, Roberto [Verfasser]. "A novel process for the liquid feedstock plasma spray of ceramic coatings with nanostructural features / von Roberto Siegert." 2005. http://d-nb.info/980671728/34.

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