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Dissertations / Theses on the topic 'Plasma coating process'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

De, Silva Eugene. "Intensified plasma assisted processing : a novel process in surface coating technology." Thesis, Manchester Metropolitan University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366231.

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2

Liang, Chen-Jui. "In-situ impedance spectroscopy studies of the plasma electrolytic oxidation coating process." Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/4519/.

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Plasma electrolytic oxidation (PEO) is a relatively novel surface modification technique that provides excellent wear- and corrosion-resistant coatings on light-weight metals, in particular on aluminium. Formation of PEO coatings involves complex processes and mechanisms that are difficult to study. In this work, a new method of in-situ impedance spectroscopy is used to provide new insights into fundamental characteristics of PEO processes and coating formation mechanisms as well as to develop new means of process control. This method is based on application of a variable frequency voltage per

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3

Bao, Yuqing. "Plasma spray deposition of polymer coatings." Thesis, Brunel University, 1995. http://bura.brunel.ac.uk/handle/2438/5152.

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This work investigates the feasibility of the use of plasma spray deposition as a method of producing high performance polymer coatings. The work concentrates on the understanding of the processing of the plasma spraying of polymers, the behaviour of polymeric materials during deposition, and the study of process-structure-properties relationships. Processing modelling for the three stages of the evolution of a polymer deposit (droplet-splat-coating) has been carried out using heat transfer theory. A theoretical model is proposed which consists of three parts: the first part predicts the tempe

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4

Ledernez, Loïc [Verfasser], and Gerald A. [Akademischer Betreuer] Urban. "Investigation of a magnetron enhanced AF plasma polymerization process for sensor coating = Untersuchung eines Magnetron-Angereicherten AF Plasma-Polymerisationsprozesses für Sensorbeschichtung." Freiburg : Universität, 2011. http://d-nb.info/1123463263/34.

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5

Ivchenko, Dmitrii. "Modeling and design of a physical vapor deposition process assisted by thermal plasma (PS-PVD)." Thesis, Limoges, 2018. http://www.theses.fr/2018LIMO0099/document.

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Le procédé de dépôt physique en phase vapeur assisté par plasma thermique (PS-PVD) consiste à évaporer le matériau sous forme de poudre à l’aide d’un jet de plasma d’arc soufflé pour produire des dépôts de structures variées obtenus par condensation de la vapeur et/ou dépôt des nano-agrégats. Dans le procédé de PS-PVD classique, l’intégralité du traitement du matériau est réalisée dans une enceinte sous faible pression, ce qui limite les phénomènes d’évaporation ou nécessite d’utiliser des torches de puissance importante. Dans ce travail, une extension du procédé de PS-PVD conventionnel à un p

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6

Lapp, Steffen. "Characterisation and optimisation of a hollow-cathode plasma-enhanced chemical vapour deposition process for diamond-like carbon interior pipe coating." Thesis, University of the West of Scotland, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.731774.

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7

Post, Patrick [Verfasser], and Alfred P. [Verfasser] Weber. "Coating of gasborne nanoparticles with silica and silica-organic shells in a post-plasma CVD process / Patrick Post, Alfred P. Weber." Clausthal-Zellerfeld : Technische Universität Clausthal, 2019. http://d-nb.info/1231363363/34.

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8

UHLMANN, FRANZISKA JOHANNA LUISE. "Protective Ultra-High Temperature Coatings/ Ceramics (UHTCs) for Ceramic Matrix Composites in Extreme Environments." Doctoral thesis, Politecnico di Torino, 2016. http://hdl.handle.net/11583/2644372.

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This thesis is focused on the development of a protective coating system for Cf/SiC SiCARBONTM (Airbus trademark) materials against very high temperatures in extreme environment. Here, we concentrate on the application of this technology in combustion chambers, for example in orbital thrusters. During combustion, the composite material needs to be protected against oxidation caused by the extreme conditions. With the aim to increase the combustion performance using higher temperatures (up to 1850 °C), this thesis deals with the replacement of the current Environmental Barrier Coating (EBC) sol

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9

Hocquette, Disdier Hélène. "Etude structurale de revetement de surface amorphe métallique élaboré par chalumeau plasma." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10016.

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Le but de cette these est l'etude structurale de revetements de surface par un depot amorphe metallique qui ont pour application la protection d'aubes de turbines hydrauliques. Les depots sont elabores par la technique du chalumeau plasma sous atmosphere et temperature controlees. La caracterisation structurale est faite principalement par microscopie electronique en transmission conventionnelle et haute resolution, ainsi que par microanalyse x. Une premiere partie presente les proprietes des verres metalliques et valide le choix de tels materiaux pour l'application industrielle envisagee. La

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10

Schönström, Linus, Anna Nordh, Anton Strignert, et al. "A process recipe for bonding a silicone membrane to a plastic substrate." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-201008.

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A spin-cast silicone membrane has been successfully bonded between two injection-molded microstructured plastic discs. This sandwich structure creates a useful platform for mass production of microfluidic systems, provided that the bonds are leakproof. The bonds were achieved by a silicon dioxide coating deposited on the plastic discs by evaporation. This investigation is concerned with the process and the result only, no theory is discussed.

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11

Blair, Taylor Keffer. "Development of a Plasma Spray Process Monitoring System through Aeroacoustic Signal Analysis." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/79899.

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Plasma spray coatings are vital to the capabilities of jet engines. They allow engines to operate at combustion temperatures that would otherwise melt the superalloy components. Coatings tighten clearance between rotating components, increasing engine compression. They prevent chemical attack and physical erosion. Plasma spray coatings are imperative to the durability and efficient operation of the modern jet engine. In this application coating material property variation has a significant cost. In addition to the variation inherent in the process, some of the biggest contributors to coating p

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12

Blair, Taylor K. "Development of a Plasma Spray Process Monitoring System through Aeroacoustic Signal Analysis." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/79899.

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Plasma spray coatings are vital to the capabilities of jet engines. They allow engines to operate at combustion temperatures that would otherwise melt the superalloy components. Coatings tighten clearance between rotating components, increasing engine compression. They prevent chemical attack and physical erosion. Plasma spray coatings are imperative to the durability and efficient operation of the modern jet engine. In this application coating material property variation has a significant cost. In addition to the variation inherent in the process, some of the biggest contributors to coating p

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13

Nie, Xueyuan. "Process and property effects in hybrid/duplex plasma treatments using vacuum deposition and electrolysis." Thesis, University of Hull, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322366.

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14

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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15

Kondapalli, Satyanarayana [Verfasser]. "Surface Modification of Aluminium Components by Developing Composite Coatings using Plasma Powder Arc Welding Process / Satyanarayana Kondapalli." Aachen : Shaker, 2007. http://d-nb.info/1166512908/34.

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16

Salvatori, Pierluigi. "Studio ed analisi sperimentale di processi plasma assistiti di deposizione di film sottili a base silicio su materiali polimerici: effetto della potenza sulle caratteristiche funzionali del coating." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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La polimerizzazione plasma assistita è una tecnica che permette di ottenere film sottili adatti per una vasta gamma di applicazioni. Questi polimeri presentano differenti proprietà rispetto a quelli prodotti mediante polimerizzazione convenzionale: mostrano una struttura reticolata, sono amorfi, presentano un limitato numero di pinhole e aderiscono bene alla maggior parte dei substrati. Grazie a queste eccellenti proprietà, i film prodotti tramite polimerizzazione plasma assistita sono utilizzati in diverse applicazioni nel settore meccanico, elettronico e biomedicale. Inoltre, negli ultimi de

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17

Keshri, Anup K. "Comprehensive Process Maps for Synthesizing High Density Aluminum Oxide-Carbon Nanotube Coatings by Plasma Spraying for Improved Mechanical and Wear Properties." FIU Digital Commons, 2010. http://digitalcommons.fiu.edu/etd/242.

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Plasma sprayed aluminum oxide ceramic coating is widely used due to its outstanding wear, corrosion, and thermal shock resistance. But porosity is the integral feature in the plasma sprayed coating which exponentially degrades its properties. In this study, process maps were developed to obtain Al2O3-CNT composite coatings with the highest density (i.e. lowest porosity) and improved mechanical and wear properties. Process map is defined as a set of relationships that correlates large number of plasma processing parameters to the coating properties. Carbon nanotubes (CNTs) were added as reinfor

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18

Laghi, Giulia. "Deposizione plasma assistita di coating barriera a base silicio su packaging polimerici: studio sperimentale e simulativo degli effetti dei parametri di processo." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Negli ultimi decenni, l’industria alimentare ha sviluppato soluzioni per il packaging prevalentemente costituite da materiali plastici, come PET e PP. Questi polimeri non offrono sufficienti proprietà barriera alla permeazione di gas e di conseguenza non garantiscono un’adeguata shelf-life dei prodotti confezionati. Per questa ragione è forte l’interesse dell’industria alimentare nel trovare soluzioni barriera nuove ed efficienti. Tra queste, i coating barriera di silice si rivelano promettenti perché sono trasparenti e compatibili con il riscaldamento al microonde ed il riciclo del polimero s

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19

DE, GABRIEL OLIVIER. "Etude et mise au point d'un nouveau procede de depot de vapeurs et d'ions metalliques." Université Joseph Fourier (Grenoble), 1989. http://www.theses.fr/1989GRE10008.

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Les procedes de traitement de surface par depot, qui permettent de modifier les proprietes de surface sans modifier celles du volume, connaissent un grand essor industriel. La description de ces procedes amene a considerer le role et l'importance que les plasma y jouent. La nouvelle source de plasma que nous avons mis au point a ete l'objet d'une etude experimentale qui est exposee. Cette source de plasma est la base du procede de depot que nous avons developpe (depot de vapeur et d'ions metalliques). La description et les resultats preliminaires permettent de comparer ce procede avec ceux exi

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20

Zhang, Bochun. "Failure Mechanism Analysis and Life Prediction Based on Atmospheric Plasma-Sprayed and Electron Beam-Physical Vapor Deposition Thermal Barrier Coatings." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/35709.

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Using experimentally measured temperature-process-dependent model parameters, the failure analysis and life prediction were conducted for Atmospheric Plasma Sprayed Thermal Barrier Coatings (APS-TBCs) and electron beam physical vapor deposition thermal barrier coatings (EB-PVD TBCs) with Pt-modified -NiAl bond coats deposited on Ni-base single crystal superalloys. For APS-TBC system, a residual stress model for the top coat of APS-TBC was proposed and then applied to life prediction. The capability of the life model was demonstrated using temperature-dependent model parameters. Using existing

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21

Antoci, Simona. "Studio parametrico degli effetti delle condizioni di processo sulle caratteristiche chimico-morfologiche di coating a base di silicio depositati su substrati polimerici mediante plasma atmosferico di non equilibrio." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Le attività di questo lavoro di tesi riguardano lo studio delle potenzialità dei processi assistiti da plasmi freddi a pressione atmosferica per la deposizione di coating a base silicio su substrati polimerici in polipropilene, al fine di conferire a questi proprietà barriera all’ossigeno e all’umidità. La produzione di materiali aventi elevate proprietà barriera è fortemente richiesta nel settore del packaging alimentare al fine di incrementare la shelf-life degli alimenti confezionati, riducendo e/o eliminando l’utilizzo di conservanti. La formazione di tali coating avviene mediante polimeri

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22

Uzumaki, Emilia Tieko. "Desenvolvimento de filmes de carbono tipo diamante (DCL) obtidos pelo processo de imersão em plasma para implantes osteoarticulares." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264998.

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Orientador: Cecilia A. C. Zavaglia<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-07T02:27:14Z (GMT). No. of bitstreams: 1 Uzumaki_EmiliaTieko_D.pdf: 44142340 bytes, checksum: e8db433907d2fd2f88b260ed4cd8a791 (MD5) Previous issue date: 2006<br>Resumo: O carbono tipo diamante ("diamond-like carbon" - DLC) tem demonstrado características, como alta dureza, baixo atrito, resistência ao desgaste e à corrosão, e biocompatibilidade, que podem melhorar as propriedades de implantes sólidos e articulados. O processo de

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23

Motta, Valentina. "Messa a punto di processi assistiti da plasmi freddi a pressione atmosferica per la sintesi in volo di nanoparticelle e la codeposizione di film polimerici nanostrutturati per applicazioni biomedicali." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Il lavoro presentato riguarda la progettazione e messa a punto di un set up sperimentale assitito da plasmi atmosferici di non equilibrio per la sintesi in volo di nanoparticelle (NPs) di argento (Ag) e la simultanea codeposizione di coating polimerici nanostrutturati su substrati utilizzati per applicazioni biomedicali. Dapprima, le attività sperimentali hanno investigato la possibilità di sintetizzare in liquido NPs di Ag, sottoponendo una soluzione acquosa contenente il sale precursore al trattamento plasma effettuato mediante sorgente Corona Jet. Le analisi UV-VIS dei colloidi ottenuti han

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24

Pal, Terek. "Unapređenje kvaliteta alata za livenje pod pritiskom primenom tehnologija inženjerstva površina." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2016. http://www.cris.uns.ac.rs/record.jsf?recordId=101472&source=NDLTD&language=en.

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Proučavane su koroziona postojanost i tendencija lepljenja različitihmaterijala u kontaktu sa tečnom Al–Si–Cu legurom. Ispitivanjem suobuhvaćeni čelik za rad na toplo, plazma nitrirani čelik i dupleksslojevi sa CrN, TiAlN, TiAlSiN i CrAlN prevlakama, različitog nivoapovršinske hrapavosti. Za ispitivanja pomenutih fenomenaprimenjena je metoda izvlačenja, koja je unapređena kako bi se povećalenjena tačnost i verodostojnost simulacije procesa livenja. Korozioniefekti su pojačani tako što su uzorci osim kratkog kontakta sa odlivkomzadržavani i u dužim periodima u kontaktu sa tečnom leg

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25

Lin, Geng-Sheng, and 林耕生. "A Comparative Study on Silicon Carbide With and Without Alumina Coating Utilizing Atmospheric Plasma Spraying for Process Stream Treatment." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9w9ub4.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>107<br>Silicon Carbide (SiC) is an inorganic material processing properties such as good thermal resistance, high hardness and excellent chemical resistance. Due to all these advantages, it has been regarded as one of the promising materials for membrane filtration. In this study, atmospheric plasma spraying (APS) technique was utilized to produce SiC coating onto titanium substrate. However, severe decomposition of SiC powder at high temperature heavily reduces the coating thickness and mechanical strength. Therefore, in this study, three approaches were introduced

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26

Chung, Ming-Hung, and 鐘明宏. "Study of TiO2 Films with Plasma and Spin-coating Seed Layer for Dye Sensitized Solar Cell Application of Synthesis by Hydrothermal Process." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/gmkcpe.

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碩士<br>義守大學<br>材料科學與工程學系<br>104<br>The purpose of this work is to use a hydrothermal process to synthesize titanium dioxide (TiO2) nano-rods (TNRs) film on 15 mmx15 mm size of fluorine doped tin oxide (FTO) conductive glass as the photo-anodes of dye-sensitized solar cells (DSSCs). A TiO2 seed layer with anatase structure was deposited on a fluorine doped tin oxide (FTO) coated glass substrate by spin coating. 1.75g potassium titanium oxalate (K2TiO(C2O4)2)was added to the mixture solvent of 100mL containing de-ionized (DI) water and diethylene glycol (DEG), and vigorously stirred for 30 min. T

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27

Chen, Yi-Siou, and 陳毅修. "Effect of Cryogenic Treatment on Microstructural Characteristics and Corrosion Behavior of High-Chromium Cast Iron Coating on Spheroidal Graphite Cast Iron Deposited by Plasma Transferred Arc Process." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/89849281870265010959.

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碩士<br>遠東科技大學<br>機械工程研究所<br>103<br>Spheroidal graphite (SG) cast iron and medium carbon steel with high chromium cast iron surface coating are mainly used in wear rings, finishing rolls of hot rolled flat products, forming molds, furnace liners, cement crushers and grinding balls in mining and ducting equipment etc. Since these components may encounter problems such as abrasive wear, erosive wear and corrosion in the aforementioned applications, a common method for enhancing strength and hardness of these wearable components is the plasma transferred arc (PTA) overlaying process for surface mod

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28

Mokrzycki, Paul. "The deposition of nanostructured yttria stabilized zirconia coatings via the solution precursor plasma spray process." 2005. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=370385&T=F.

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29

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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30

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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31

Lin, Hung-Chien, and 林宏謙. "Effects of process parameters on the properties of carbon coatings for optical fibers prepared by plasma enhanced chemical vapor deposition." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/84855739608872710276.

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博士<br>國立中興大學<br>材料科學與工程學系<br>96<br>The effects of process parameters on the properties of carbon coating for optical fibers prepared by plasma enhanced chemical vapor deposition are investigated. The process parameters, such as hydrogen/methane ratios, radio frequency powers, substrate temperatures, argon/methane ratios, and hydrogen/acetylene ratios, are considered. The structure of carbon coatings prepared by increasing argon/methane ratios becomes the graphite-like, while the structure of carbon coatings prepared by increasing hydrogen/methane ratios becomes the polymer-like. The best f

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32

Dhulipalla, Anvesh. "Thickness Prediction of Deposited Thermal Barrier Coatings using Ray Tracing and Heat Transfer Methods." Thesis, 2020. http://hdl.handle.net/1805/24763.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Thermal barrier coatings (TBCs) have been extensively employed as thermal protection in hot sections of gas turbines in aerospace and power generation applications. However, the fabrication of TBCs still needs to improve for better coating quality, such as achieving coating thickness' uniformity. However, several previous studies on the coating thickness prediction and a systematic understanding of the thickness evolution during the deposition process are still missing. This study aims to develop high-fidelity computational models

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