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Dissertations / Theses on the topic 'Plasma electrolysis'

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Published: 3 June 2025
Last updated: 19 July 2025

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1

Kazincaitė, Ieva. "Plazmoelektrolitinio proceso stabilumo sąlygų tyrimas." Bachelor's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130123_085845-05625.

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Bakalauro darbą „Plazmoelektrolitinio proceso stabilumo sąlygų tyrimas“ sudaro įvadas, 3 skyriai, išvados, literatūros sąrašas, priedai ir 1 kompaktinis diskas. Darbo apimtis 39 puslapiai. Darbe pateikti 26 paveikslai, 1 lentelė. Įvade iškeliama darbo problema, pagrindinis tikslas ir uždaviniai. Pirmąjame skyriuje pateikiami pagrindiniai teoriniai teiginiai apie procesus sudarančius vandenilio plazminę elektrolizę: elektrolizę ir plazmą. Antrąjame skyriuje analizuojami ir aptariami moksliniai straipsniai, kuriuose kalbama apie atliktus vandenilio plazminės elektrolizės proceso tyrimus. Išryški
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2

Dunleavy, Christopher Squire. "Development of quantitative techniques for the study of discharge events during plasma electrolytic oxidation processes." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/228637.

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Plasma electrolytic oxidation, or PEO, is a surface modification process for the production of ceramic oxide coatings upon substrates of metals such as aluminium, magnesium and titanium. Two methodologies for the quantitative study of electrical breakdown (discharge) events observed during plasma electrolytic oxidation processes were developed and are described in this work. One method presented involves direct measurement of electrical breakdowns during production of an oxide coating within an industrial scale PEO processing arrangement. The second methodology involves the generation and meas
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3

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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4

学, 德重. "Formation of various metallic/intermetallic nanoparticles by plasma-induced cathodic discharge electrolysis and their characterization." Thesis, https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12222819/?lang=0, 2011. https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12222819/?lang=0.

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5

GRIGOLETTO, TANIA. "Dissolucão eletrolítica de ligas de alumínio em cavacos e determinação dos elementos constituintes por espectrometria de emissão atômica com fonte de plasma (ICP-OES)." reponame:Repositório Institucional do IPEN, 2001. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11641.

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6

BARDET, JEAN-PAUL. "Contribution a l'etude de l'effet d'anode dans les electrolytes fondus tel le melange equimoleculaire licl-kcl fondu." Paris 6, 1986. http://www.theses.fr/1986PA066585.

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Le calcul des profils theoriques de la raie semi-degeneree li (i) 4f4d4p->2p, incluant une correction tenant compte de l'effet dynamique des ions permet de preciser les principaux parametres du plasma duodique obtenu par electrolyse du melange equimoleculaire fondu licl-kcl. Methode de calcul systematique des elements matriciels de l'operateur omega (t) intervenant dans le formalisme de magnus, pour tout alcalin, pour des collisions electroniques faibles et fortes. Les resultats donnes, appliques aux niveaux n = 4, permettent de confirmer les valeurs numeriques des parametres du plasma (t::(e)
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7

Lu, Xiaopeng [Verfasser]. "Plasma Electrolytic Oxidation (PEO) Coatings on a Mg Alloy from Particle Containing Electrolytes / Xiaopeng Lu." Kiel : Universitätsbibliothek Kiel, 2017. http://d-nb.info/1128149206/34.

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8

Kinfack, leoga Arnaud. "Développement par PECVD de membranes conductrices protoniques de type phosphonique pour la production d’hydrogène par (photo-)électrolyse de l’eau." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS130/document.

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Le but de ces travaux était de développer des membranes conductrices protoniques de type phosphonique par PECVD radio-fréquence en décharges continue et pulsée à partir du mono-précurseur diméthyl allylphosphonate. De telles membranes sont pressenties comme pouvant avantageusement remplacer la membrane Nafion® ou les membranes conventionnelles de type sulfonique ou phosphonique classiquement utilisées dans les dispositifs piles à combustible ou électrolyseur de type PEM. Ainsi, une étude paramétrique visant à établir des corrélations entre les propriétés des films et les paramètres de dépôt a
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9

Matykina, Endzhe. "Plasma electrolytic oxidation of titanium." Thesis, University of Manchester, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548672.

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10

Aliasghari, Sepideh. "Plasma electrolytic oxidation of titanium." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/plasma-electrolytic-oxidation-of-titanium(2c6b1bcb-9749-4220-aff9-98ddf9532bed).html.

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Plasma electrolytic oxidation is used to prepare corrosion- and wear-resistant coatings on light metals. The extensive literature reports on coatings formed under a wide range of different electrical regimes and in diverse electrolyte compositions. However, little work is available that investigates systematically PEO of titanium under a range of electrical variables in a particular electrolyte. In the present work, coatings are formed in a silicate electrolyte under a range of current densities, duty cycles and rates of positive to negative current density. The coatings were found to contain
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11

Pezzato, Luca. "PLASMA ELECTROLYTIC OXIDATION COATINGS ON LIGHT ALLOYS." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3424487.

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This thesis summarizes the work carried out during the three-year Ph.D in Industrial Engineering and involve the study and characterization of coatings obtained on light alloys with the technique known as Plasma Electrolytic Oxidation (PEO). PEO process is, from the practice point of view, similar to the traditional anodic oxidation process as it's based on the electrochemical growth of a protective oxide layer on a metal surface. Compared with the traditional anodizing, PEO process works at higher currents and higher voltages, thus modifying the characteristics of the obtained layer. In rece
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12

Rocher, Sandrine. "Etude des mécanismes de croissance de mousses métalliques élaborées par plasma électrolytique." Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCK002.

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Les mousses métalliques synthétisées par plasma électrolytique et leur mise en forme développées au CEA présentent certains problèmes de tenue mécanique, d’homogénéité en structure et en densité, et leur porosité n’est pas encore maîtrisée. L’objectif de cette thèse est de comprendre et d’apporter des solutions à ces difficultés rencontrées lors des différentes étapes de la synthèse. Ainsi, la thèse porte sur l’étude du système dans son ensemble pour maîtriser à la fois le procédé et la structure des mousses formées.La compréhension du plasma et de son implication dans la formation de mousses
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13

Khan, Raja Hameed Ullah. "Characteristics and stress state of Plasma Electrolytic Oxidation Coatings." Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500210.

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14

Curran, J. A. "Thermal and mechanical properties of plasma electrolytic oxide coatings." Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.598226.

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A critical review of the current knowledge of PEO coating characteristics and properties is made, and several areas requiring more accurate or more detailed investigations are identified. A leading commercial product – the <i>Keronite<sup>TM</sup></i> coating for aluminium alloys – is the used as a basis for the investigation of the microstructure and properties of PEO coatings. Coating structure and morphology are studied quantitatively to investigate their growth mechanism. Composition is accurately determined for the first time, allowing predictions of physical, mechanical and thermal prope
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15

Troughton, Samuel Christopher. "Phenomena associated with individual discharges during plasma electrolytic oxidation." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/288879.

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This work presents information obtained from high-speed video and electrical monitoring of electrical breakdown (discharge) events during plasma electrolytic oxidation (PEO) of aluminium alloy substrates. Discharges were found to occur in extended sequences termed "cascades" at particular locations. This was a feature common to all the substrates and processing frequencies investigated. As the coating thickness increases, the characteristics remained broadly similar, although discharges become more energetic and longer-lived. Short PEO treatments were applied to existing PEO coatings in order
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16

Yar-Mukhamedova, G. Sh, M. V. Ved, A. V. Karakurkchi, and N. D. Sakhnenko. "Mixed alumina and cobalt containing plasma electrolytic oxide coatings." Thesis, IOP Publishing Ltd, 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/30798.

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Principles of plasma electrolytic oxidation of the AL25 aluminum alloy in diphosphate alkali solutions containing cobalt(2+) cations are discussed. It has been established that a variation in the concentration of the electrolyte components provides the formation of mixed-oxide coatings consisting of the basic matrix materials and the cobalt oxides of different content. An increase in the cobalt oxide content in the coating is achieved by the variation in electrolysis current density as well as the treatment time due to both the electrochemical and thermo-chemical reactions at substrate surface
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17

Mertens, Jeremy. "Atmospheric plasma treatment of aluminum alloy surfaces: Oxide growth and oxygen rich organic coating deposition." Doctoral thesis, Universite Libre de Bruxelles, 2019. https://dipot.ulb.ac.be/dspace/bitstream/2013/287803/3/these.pdf.

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L’objectif de cette thèse consiste en une étude fondamentale de différentes approches pour la modification de surfaces d’alliages d’aluminium. Elle s’inscrit dans le cadre du projet FLYCOAT, subventionné par la région Wallonne. Ce dernier avait pour objectif le développement d’alternatives au couplage classique d’un procédé d’anodisation utilisant des bains de Cr (VI) aux résines époxy pour la protection des alliages d’aluminium contre la corrosion. Dans un premier temps, la synthèse par plasma atmosphérique dans un réacteur de type décharge à barrière diélectrique (DBD) de films riches en gro
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18

Antonio, Rosana Fernandes [UNESP]. "Avaliação da bioatividade de revestimentos produzidos sobre Tântalo por oxidação eletrolítica assistida por plasma." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/138925.

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Paillard, Julien Michel. "Microstructure and mechanical properties of plasma electrolytic oxidation coatings on titanium substrates." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608619.

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20

Sun, Ming. "Improving corrosion protection of magnesium alloys by plasma electrolytic oxidation based coatings." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/16374/.

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The high susceptibility to corrosion limits the broad application of magnesium alloys, and therefore, the corrosion protection of magnesium is of major concern in practical conditions. A great effort has been made in the last few decades to solve this problem. Various types of surface coatings have been developed to provide corrosion protection for magnesium alloys, among which plasma electrolytic oxidation (PEO) is one of the most promising techniques. The PEO treatment can produce a hard ceramic-like oxide coating on magnesium and its alloys, leading to significantly enhanced wear and corros
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21

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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22

Gao, Yonghao. "Investigation of plasma electrolytic oxidation of commercially pure magnesium for biomedical applications." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/7074/.

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Permanently implanted biomaterials may cause problems to the host body associated with long term chronic inflammation which would eventually require revision surgery. The development of biodegradable materials which can be absorbed, consumed and excreted by the patient is therefore of interest. Magnesium alloys have for a long time been considered as potential biomaterials for load-bearing applications due to their excellent biological properties including superior biochemical and biomechanical compatibility compared to other alternatives such as biodegradable polymers and bioceramics. However
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23

Waldbillig, David. "Aqueous suspension plasma spraying of yttria stabilized zirconia solid oxide fuel cell electrolytes." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/27910.

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In order to meet increasing world energy demand in a sustainable manner, clean and efficient new energy technologies need to be developed. Fuel cells have been proposed as a potential energy conversion technology to help facilitate this transition to cleaner energy. Solid oxide fuel cells (SOFC) in particular are thought to be a practical, near term clean energy technology; however, current state-of-the-art wet ceramic fabrication techniques make SOFC manufacturing labour-intensive, fairly expensive and difficult to automate, and the high firing temperatures required limit the usable materials
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24

Chung, Ming-Chee. "The effect of local electrical conditions on coating growth during plasma electrolytic oxidation." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708159.

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25

Mirelman, Liza Kate. "The use of plasma electrolytic oxidation to produce crystalline titanium dioxide-based photocatalysts." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648222.

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26

Rajput, Ajeet Singh, Henning Zeidler, and Andreas Schubert. "Analysis of voltage and current during the Plasma electrolytic Polishing of stainless steel." Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-227115.

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Plasma electrolytic Polishing (PeP) is a non-conventional technology for the surface treatment of electrically conductive materials. It is an effective machining technique for cleaning and polishing of metals and considered as a more environmentally friendly alternative to the electropolishing process. The electropolishing process uses aggressive media such as acids, whereas in PeP, acids or toxicants are replaced by low concentrated water solutions of various salts. In PeP, high DC voltage is applied to the electrodes in the aqueous electrolyte solution, which establishes a thin steam-gas lay
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Barbour, Reinaldo. "Determinação de impurezas em cobre eletrolítico por espectrometria de massas com plasma indutivamente acoplado." reponame:Repositório Institucional da UFBA, 2011. http://www.repositorio.ufba.br/ri/handle/ri/9876.

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Algahtani, Ali Muhammad A. "Optimising aluminium alloy surfaces for wear and corrosion controlled by plasma electrolytic oxidation (PEO)." Thesis, University of Leeds, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.634748.

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Aluminium and its alloys are broadly used in a wide variety of applications. Aluminium's main advantages include: lightness, high specific strength, high thermal and electrical conductivities, good formability, excellent machinability, diversity of aluminium alloys, extensive range of forms and options (e.g. rolling, extrusions, stampings, forgings and castings), and suitability for a diverse range of joining techniques, surface treatment and recyclability. A number of surface treatment technologies are available. They produce thicker oxide coating layers that can be used to combat corrosion a
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Collier, Charles Andrew. "Osteoblast responses to surface characteristics of plasma electrolytic oxidation coatings on Ti-6Al-4V." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609736.

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30

Chade, Daniel Szymon. "Performance and reliability studies of Atmospheric Plasma Spraying Raney nickel electrodes for alkaline electrolysers." Thesis, University of Strathclyde, 2014. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=25532.

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This PhD main aim was the examination of the Atmospheric Plasma Spraying Raney nickel electrodes samples with strong emphasis on electrochemical characterisation and investigation of the degradation/deactivation mechanisms which occur within the electrodes structure. Nowadays research in alkaline electrolysis mainly aims to improve efficiency, extend durability and decrease the price of electrolyser units. One of the methods to achieve all of these goals is the development of novel electrode types. Raney nickel electrodes manufactured by Force Technology (Denmark) using a novel atmospheric pla
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31

Wheeler, Jeffrey M. "Nanoindentation under dynamic conditions." Thesis, University of Cambridge, 2009. https://www.repository.cam.ac.uk/handle/1810/218320.

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Nanoindentation has emerged as a leading technique for the investigation of mechanical properties on small volumes of material. Extensive progress has been made in the last 20 years in refining the nstrumentation of nanoindentation systems and in analysis of the resulting data. Recent development has enabled investigation of materials under several dynamic conditions. The palladium-hydrogen system has a large miscibility gap, where the palladium lattice rapidly expands to form a hydrogen-rich β phase upon hydrogenation. Nanoindentation was used to investigate the mechanical effects of these tr
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Moura, Gustavo Berger. "Propriedades elétricas de revestimentos produzidos por oxidação eletrolítica com plasma sobre ligas de alumínio /." Bauru, 2015. http://hdl.handle.net/11449/154689.

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Orientador: Nilson Cristino da Cruz<br>Banca: Francisco Trivinho Strixino<br>Banca: José Roberto Ribeiro Bortoleto<br>O Programa de Pós Graduação em Ciência e Tecnologia de Materiais, PosMat, tem caráter institucional e integra as atividades de pesquisa em materiais de diversos campi<br>Resumo: Neste trabalho, a oxidação eletrolítica assistida por plasma (PEO) foi utilizada para produzir um revestimento cerâmico na superfície de substratos da liga (AA 5052) de alumínio. As propriedades elétricas deste revestimento foram analisadas através da espectroscopia de impedância elétrica (EIE). As espe
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Moura, Gustavo Berger [UNESP]. "Propriedades elétricas de revestimentos produzidos por oxidação eletrolítica com plasma sobre ligas de alumínio." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/154689.

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Made available in DSpace on 2018-07-27T18:26:05Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-12-04. Added 1 bitstream(s) on 2018-07-27T18:29:49Z : No. of bitstreams: 1 000864680.pdf: 2241907 bytes, checksum: a28a73d650830be8f6e44837bb623ef5 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Neste trabalho, a oxidação eletrolítica assistida por plasma (PEO) foi utilizada para produzir um revestimento cerâmico na superfí
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Yeung, Wing Kiu. "Investigation of plasma electrolytic oxidation processes for production of porous biocompatible coatings on Ti alloys." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/13447/.

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Plasma electrolytic oxidation (PEO) attracts increasing interest in biomedical applications as it can form porous TiO2 coatings incorporated with Ca and P on Ti alloy substrates. However, the formation of PEO coatings containing crystalline apatite phases using a single stage PEO process is difficult. The aim of the present study was two-fold. Firstly, to expand the cyclic voltammetry (CV) approach into high anodic potentials to achieve a better understanding of the electrochemical behaviour of Ti alloy electrodes under the conditions of PEO. Secondly, to develop a range of novel electrolytic
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Golozar, Mehdi. "Plasma electrolytic oxide coatings on low-modulus [beta]-type titanium alloys : applications to load-bearing orthopaedic implants." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709079.

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36

Karakurkchi, A. V., N. D. Sakhnenko, M. V. Ved, and A. S. Gorohivskiy. "Nanostructured catalytic cobalt containing PEO-coatings on alloy AL25." Thesis, Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine, 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22609.

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37

Garzoni, Andrea. "Sviluppo di rivestimenti PEO (Plasma Electrolytic Oxidation) su Ti6Al4V per applicazioni biomedicali: caratterizzazione microstrutturale e tribologica." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13401/.

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Lo scopo della tesi è stato quello di sviluppare mono- e multi-strati PEO (Plasma Electrolytic Oxidation) su lega di titanio Ti6Al4V, in sostituzione della lega CrCoMo nelle protesi d'anca e di ginocchio. Ad oggi le leghe a base di cobalto rappresentano il prodotto di riferimento nell’industria biomedicale, poiché garantiscono contemporaneamente elevate prestazioni meccaniche, grazie all’elevato modulo di Young, proprietà tribologiche di resistenza ad usura, resistenza alla corrosione e biocompatibilità. Recentemente però a tali leghe sono stati associati fenomeni di allergia da parte di un nu
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Castillo, Martinez Ian Altri. "Solution plasma synthesis of CeO₂-based powders for solid oxide fuel cell electrolytes from liquid precursors." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80004.

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The main objective of this thesis was to explore, characterize and evaluate different CeO2-based electrolyte materials that could be employed to replace the existing yttria-stabilized zirconia oxide used as the electrolyte component of intermediate temperature solid oxide fuel cells (SOFCs). The electrolyte materials were synthesized using a radio frequency inductively coupled plasma reactor. CeO2-based fine powders doped with different compositions of Gd, Sm or Y were synthesized from nitrate salts dissolved in water. The powders were analyzed using X-ray diffraction, inductively coupl
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39

Ma, Xun [Verfasser]. "Simulation of Plasma Electrolytic Oxidation (PEO) of AM50 Mg Alloys and its Experimental Validation / Xun Ma." Kiel : Universitätsbibliothek Kiel, 2018. http://d-nb.info/1162892587/34.

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40

Hess, Tanja Maria. "Potassium-free and potassium-containing electrolytes affect plasma ions and acid-base status of endurance horses." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/26163.

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Effects of potassium supplementation were evaluated in four studies in endurance horses during races and treadmill exercise. In the first and second studies a potassium-free experimental formula was compared to potassium rich commercial formulas. The first study showed that supplementation increased plasma [K+], and that the extra sodium in the potassium-free experimental formulas helped to attenuate acidosis at the end of the ride. In the second study supplementation also increased plasma [K+], however speeds were lower and no increases were observed in plasma concentrations during the rac
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Melhem, Amer. "Oxydation par plasma électrolytique : influence des paramètres du procédé sur le comportement des micro-décharges et conséquences sur les couches d’oxydes." Thesis, Vandoeuvre-les-Nancy, INPL, 2011. http://www.theses.fr/2011INPL098N/document.

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L’oxydation par plasma électrolytique (ou oxydation micro-arc) est un procédé de traitement des alliages légers (Al, Mg, V, Ti, etc.) apte à pallier les limites de l’anodisation, en particulier au regard des contraintes environnementales. Bien que connu depuis de nombreuses années, les mécanismes sous-jacents à ce procédé assisté par des micro-décharges restent peu ou mal compris. L’objectif de ce travail est de cerner les mécanismes de formation et de développement des micro-décharges et d’associer leurs caractéristiques aux propriétés des couches d’oxyde élaborées sur l’alliage d’aluminium A
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42

Calabretta, Daniel Louis. "Theoretical and experimental investigations related to electrolytic reverse complete oxidation within the Na-B-H-O system." Thèse, Université de Sherbrooke, 2012. http://hdl.handle.net/11143/6119.

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This work presents theoretical and experimental findings pertaining to the possible replacement of conventional, automotive fuels by solid, light alkaline-metal borohydrides (EM+,B3+/H-). On a complete oxidation basis, and under certain arrangements, the latter fuels have volumetric energy capacities that exceed the most recognized, automotive constraints; furthermore, the solid metal oxide products (EM+,B3+/02-) have the potential to be regenerated off-board to their respective hydrides via electrolytic reverse complete oxidation processes. Electrolytic reverse complete oxidation processes ar
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43

Antônio, César Augusto [UNESP]. "Deposição de filmes por plasma eletrolítico em ligas de alumínio." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/88448.

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Made available in DSpace on 2014-06-11T19:23:28Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-03-28Bitstream added on 2014-06-13T20:30:13Z : No. of bitstreams: 1 antonio_ca_me_bauru.pdf: 1720399 bytes, checksum: 396bef6efc3f71eb7d1f9f3cad7c2279 (MD5)<br>Apesar da excelente relação resitência/peso das ligas de alumínio, a aplicação tecnológica destas ligas é limitada pela baixa resistência ao desgaste. Neste trabalho, amostras de uma liga de alumínio (AA 5052) foram tratadas pelo processo de oxidação por plasma eletrolítico, com tempo de exposição variando de 150 a 900 s. A composiçã
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Oliveira, César Rodnei de. "Alteração das propriedades superficiais do alumínio via eletrólise e plasma /." Bauru : [s.n.], 2010. http://hdl.handle.net/11449/88487.

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Orientador: Nilson Cristino da Cruz<br>Banca: Mario Antonio Bica de Morais<br>Banca: Tersio Guilherme de Souza Cruz<br>O Programa de Pós-Graduação em Ciência e Tecnologia de Materiais, PosMat, tem caráter institucional e integra as atividades de pesquisa em materiais de diversos campi da Unesp<br>Resumo: A proteção de superfícies metálicas é um assunto de grande interesse científico e econômico. As vultosas quantias empregadas regularmente em manutenção e conservação motivam estudos para a obtenção de materiais com maior durabilidade e manutenção de seu aspecto estético. Neste trabalho é propo
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45

Abdulla, Taha. "The effect of pulsed bipolar plasma electrolytic oxidation coatings on the mechanical properties of open cell aluminium foams." Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/3806/.

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Metal foams have attracted wide range of interest from researchers and industries because of their unique combinations of properties. Of particular interest, open cell metallic foams have good weight-specific mechanical properties, and improvements could make these materials highly desirable for lightweight structural and energy absorption applications. These properties could potentially be increased for open cell foams by treatments affecting their large surface areas. The effect could be very significant, especially when the dominant deformation mode is bending of the foam struts, as the coa
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46

Norlin, Anna. "Investigation of electrochemical properties and performance of stimulation/sensing electrodes for pacemaker applications." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176.

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47

Swancott, Cindy Marie. "Effects of Low and High Sodium Chloride Diets and Furosemide Administration on Cardiac Function, Plasma Electrolyte Concentrations, and the Renin-Angiotensin-Aldosterone System." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/46483.

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Congestive heart failure is commonly treated with a low sodium diet and diuretic. The purpose of this treatment is the reduction of preload, or blood volume presented to the diseased cardiac muscle. The purpose of this study was to assess the roles of dietary sodium and furosemide on cardiac function, plasma electrolyte concentrations, and the renin-angiotensin-aldosterone system, in healthy canines. Twenty mixed-breed canines were allotted to one of four groups, Group I - Dogs fed low sodium diet (0.08% sodium), Group II - Dogs fed high sodium diet (1.0% sodium), Group III - Dogs fed low
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48

Souza, Carime dos Santos [UNESP]. "Utilização de pó de exaustão de areia de fundição para oxidação eletrolítica assistida por plasma em liga de alumínio." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/143782.

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Araujo, Tamires do Espirito Santo. "Investigações das propriedades térmicas de alumínio tratado por oxidação eletrolítica assistida por plasma /." Bauru, 2019. http://hdl.handle.net/11449/181127.

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Orientador: Nilson Cristino da Cruz<br>Resumo: O alumínio é um dos materiais mais utilizados em vários setores da indústria. Devido ao baixo custo, se comparado ao cobre, e considerando sua abundância de oferta, o interesse nas propriedades térmicas do alumínio tem aumentado. Neste contexto, a proposta desta pesquisa é avaliar as propriedades térmicas de amostras de alumínio tratadas por oxidação eletrolítica plasmática (PEO), em eletrólitos de silicato de sódio, utilizando espectroscopia fotoacústica. A rugosidade, morfologia e a composição química dos revestimentos foram analisados, respecti
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Huang, Jyun-Hong, and 黃鈞弘. "Important parameters of cathodic plasma electrolysis." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/71450618446901513077.

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碩士<br>國立高雄應用科技大學<br>化學工程與材料工程系博碩士班<br>102<br>Cathodic plasma electrolysis is a fast development technology for metal surface treatment. However, the systematic investigation of mechanism in plasma generation was still rare. The results obviously found that the conductivity of the electrolyte could strongly affect the current-voltage characteristics curve. The types, concentrations, and pH values of the electrolyte have no directly correlation for the current-voltage characteristics curve. The formation mechanism of the plasma in this study could be described as follows: (1) The hydrogen bubble
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