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Thèses sur le sujet « PVD coatings »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 26 juillet 2025

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1

Santos, da Silva Cruz Ricardo Manuel. "TiB2 ceramic and DLC multilayered PVD coatings." Thesis, Cranfield University, 2007. http://dspace.lib.cranfield.ac.uk/handle/1826/1863.

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Titanium diboride (TiB2) has been investigated as a potential candidate for several industrial applications, such as: cutting tools, electric devices, wear parts and many more fields of application. The main drawback of TiB2 is its brittle nature, which has limited its range of applications. Diamond-like Carbon (DLC) has been used in industrial applications, mainly for wear resistant parts. However, the application of DLC films has been limited by the level of internal stress accumulated during deposition. This thesis investigates the deposition of TiB2/DLC multilayer wear resistant coatings t

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2

Silva, Cruz Ricardo Manuel Santos da. "TiBâ‚‚ ceramic and DLC multilayered PVD coatings." Thesis, Cranfield University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443347.

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3

Paritong, Hilke. "Development of corrosion resistant niobium-based PVD coatings." Thesis, Sheffield Hallam University, 2000. http://shura.shu.ac.uk/20185/.

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Niobium is well known for its excellent corrosion resistance based on the formation of a stable passive oxide layer, which protects the metal against corrosion in most aqueous media and makes it an interesting candidate for corrosion resistant coating applications. However, deposition of Nb films is restricted to few technologies and difficulties arise from the toxic nature of the electrolytes employed in electrodeposition of Nb, the high reactivity of the metal with residual gases in vacuum plasma spraying and its high melting point (Tm = 2500 0C) in PVD deposition. The present thesis describ

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4

Wännman, Caroline. "Erosion Behaviour of Thermal Barrier Coatings." Thesis, Linköpings universitet, Konstruktionsmaterial, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176646.

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Thermal barrier coatings (TBCs) are advanced material systems used in the hot sections of gas turbines. The TBCs are designed to provide insulation against hot gases by a ceramic top coat and to provide oxidation and corrosion resistance by a metallic bond coat. As the operating environment is harsh and complex, the TBC often requires stricter material properties. Failure of TBCs can limit the longevity of the turbine severely. In this study, failure caused by erosion has been the main focus. The erosion behaviour of TBCs processed by atmospheric plasma spay (APS), electron beam physical vapou

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5

Du, Plessis Maximilian. "Sensitivity analysis of EB-PVD thermal barrier coatings for aerospace applications." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/1289.

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Dissertation Master of Technology Mechanical Engineering Faculty of Engineering Cape Peninsula University of Technology 2014<br>Thermal Barrier Coatings (TBC’s) created by Electron Beam Physical Vapour Deposition (EB-PVD) are widely used in the aerospace industry. Advancements in the field however are hindered by the cost and time required for research and development. Hence, there exists a need for a more comprehensive understanding of coating parameter interactions to better predict response values without the need for extensive pre-production testing. This thesis seeks to provide a

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6

Ives, Malcolm. "Fundamental studies of the PVD technique." Thesis, Sheffield Hallam University, 1994. http://shura.shu.ac.uk/19861/.

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A study and comparison of two commercially available and competitive physical vapour deposition techniques has been made. Titanium nitride (the most widely used hard and decorative coating) has been deposited by both steered arc and the new Arc Bond Sputter (ABS) magnetron technique under a range of deposition conditions. The coatings have subsequently been analysed by a variety of methods and the results reported here. The steered arc technique has been identified as the better technique for everyday ease of use in producing mononitride and monocarbide coatings with good batch uniformity and

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7

Tsotsos, Chrisostomos. "Development of PVD metallic nanocomposite and glassy-metal coatings." Thesis, University of Hull, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402439.

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8

Hampshire, Joanne. "A study of the structure of codeposited PVD coatings." Thesis, University of Salford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.490169.

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The structure of two-component coatings codeposited by magnetron sputter ion plating was studied. This apparently simple topic has never been studied tematically and has led to a number of unexpected and very interesting results.

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9

Constable, Christopher Paul. "Raman microscopic studies of PVD deposited hard ceramic coatings." Thesis, Sheffield Hallam University, 2000. http://shura.shu.ac.uk/19498/.

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PVD hard ceramic coatings grown via the combined cathodic arc/unbalance magnetron deposition process were studied using Raman microscopy. Characteristic spectra from binary, multicomponent, multilayered and superlattice coatings were acquired to gain knowledge of the solid-state physics associated with Raman scattering from polycrystalline PVD coatings and to compile a comprehensive spectral database. Defect-induced first order scattering mechanisms were observed which gave rise to two pronounced groups of bands related to the acoustical (150-300cm[-1]) and optical (400-750cm[-1]) parts of the

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10

Jaroš, Aleš. "Aplikace PVD povlaků pro čelní frézování." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229043.

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Diploma thesis is focused on the application of PVD coatings for face milling. The theoretical part, systematically, deals with the division of coating methods. PVD method is stressed here. Treatment of material before coating is described as well. The machine, the machine tool and cutting material is described in the experimental section. The aim of the work was comparison of coating exchangeable cutting tips (VBD) to uncoated ones. Based on experiment, it is clear that the use of PVD coatings resulted in reduction of cutting powers and lifetime was increased.

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Zhou, Zhaoxia. "Oxidation and wear of TiAlN/VN multilayer PVD hard coatings." Thesis, University of Sheffield, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.557419.

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TiAlN/VN multilayers, with a layer periodicity of ~3nm, have exhibited superior sliding wear resistance (1.26xlO-17m3N-lm-l) and lower friction coefficient (~=0.4, pin-on-disc test, Ah03 ball counterpart) when compared to other commonly used wear protective coatings, e.g. TiN, TiAlN and TiAlN/CrN. They require excellent oxidation and wear resistance for dry high speed machining operations. This project investigates the microstructure of the as-deposited coatings, their oxidation degradation mechanism and their wear and friction properties at room and elevated temperatures. The microstructure o

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Purandare, Yashodhan Prakash. "Aqueous erosion-corrosion studies of superlattice CrN/NbN PVD coatings." Thesis, University of Strathclyde, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428368.

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13

Akbari, Alireza. "Nanocomposite TIN-NI PVD coatings : synthesis, structural and mechanical properties." Université de Poitiers. UFR des sciences fondamentales et appliquées, 2006. http://www.theses.fr/2006POIT2362.

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Des revêtements nanocomposites TiN-Ni ont été élaborés par pulvérisation ionique réactive (PIR) et par pulvérisation magnétron réactive (PMR). Les propriétés structurales et les contraintes résiduelles ont été étudiées principalement en utilisant la diffraction des rayons X. Les propriétés mécaniques - dureté, ténacité, adhérence au substrat et résistance à l’usure - ont été évaluées par nanoindentation, test de rayure, indentation à forte charge, tribomètre pion-disque et profilométrie 3D. Les revêtements élaborés par la technique PIR se composent de nanograins (<10 nm) de TiN entourés par

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14

Vondra, Jiří. "HSS stopkové frézy s PVD povlaky a jejich využití v praxi." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-317193.

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This diploma thesis deals with the durability of PVD coating in front groove milling. In the theoretical part there is the analysis of high-speed steels, a survey of milling and an overview of coating methods. The experimental part is focused on the power ratios during milling with a router cutter and its wear. From the experiment it is possible to conclude that nanocomposite coatings reduce cutting forces, but do not produce the most durable tool under the cutting conditions.

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15

LORUSSO, MASSIMO. "Development of PVD coatings for the field of Al alloys forming from liquid state." Doctoral thesis, Politecnico di Torino, 2013. http://hdl.handle.net/11583/2514325.

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Il lavoro di tesi ha riguardato lo sviluppo, la caratterizzazione e la realizzazione di test atti a simulare la messa in servizio di rivestimenti sottili realizzati con tecnica Physical Vapor Deposition (PVD) per lo stampaggio dell’alluminio. Nello specifico sono stati realizzati tre diversi rivestimenti con tecnica lateral rotate arc cathode (LARC®) PVD: nitruro di zircono (ZrN), nitruro di cromo (CrN) e un mutilstrato di nitruro di cromo alluminio silicio (CrAlSiN) e due rivestimenti con tecnica Reactive Magnetron Sputtering PVD: nitruro di cromo alluminio (CrAlN) e nitruro di titanio (TiAl

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16

Fry, Christopher. "Development of magnesium-based multilayer PVD coatings for hydrogen storage applications." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/14064/.

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On the long list of solid-state hydrogen storage materials, magnesium hydride stands out for its relatively high hydrogen storage capacity of 7.7 wt%, combined with the low cost and abundance of magnesium. For practical applications however, issues such as the slow kinetics and the high stability of magnesium hydride must be resolved in order to reduce the potential operating temperatures of a magnesium-based solid-state hydrogen storage system. Catalysis has been widely used to improve the hydrogen storage kinetics and thin film techniques have been used to explore novel structures and combin

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17

Hamilton, Philip John. "The development of PVD coatings for PEM fuel cell bipolar plates." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/5107/.

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This work investigated the suitability of thin film, single and multi-layered coatings, by a Physical Vapour Deposition (PVD) process for polymer electrolyte membrane fuel cell bipolar plates. Due to the multifunctional nature of this particular component a comprehensive approach was used where several key properties were examined for coatings including: ZrN, TiN, CrN, Graphit-iC™, CrN+C, TiN+C and Au. Chemical etching and surface roughness were found to influence the Interfacial Contact Resistance (ICR) of the substrate; however, any observed effect was negated with the addition of a conducti

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18

Casadei, Fabrizio. "Graded titanium based coatings by combining thermal spray and PVD technologies." Thesis, University of Hull, 2008. http://hydra.hull.ac.uk/resources/hull:1740.

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There is a rapid growth in demand for improved surface performance in many priority industrial sectors. There have also been rapid developments in methods of surface engineering and in tribological understanding. There is accordingly an exciting opportunity for cost effective industrial exploitation of materials with desirable properties. Among these materials, titanium and its alloys occupy an important place: their use in sectors such as aerospace and biomedical has already started and they are very promising candidates for an increasing number of industrial applications, provided some weak

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19

Savisalo, Tuukka S. "Enhancing the tribological properties of CrN/NbN nanoscale multilayer PVD coatings." Thesis, Sheffield Hallam University, 2008. http://shura.shu.ac.uk/20329/.

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This research developed a CrN/NbN coating with promising properties for tribological applications where corrosion plays a big role. Building on this knowledge base a novel approach to the surface treatment was selected, in which multiple layers, each chosen for a specific purpose, were optimised to combine the best properties of each. In this approach a careful consideration of macro- and microstructure of each layer is required in order to extract the good properties of each layer while eliminating the negative ones. It was shown in the work that, if such consideration is neglected, a catastr

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20

Jašek, Petr. "Vliv PVD povlaku na trvanlivost VBD při čelním frézování." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241920.

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This diploma thesis is aimed on durability of PVD and CVD coatings for symmetrical face milling. The theoretical part describes the characteristics of cemented carbides, milling technology and the characteristics of the coating methods. The experimental part describes the machine tool, used tools, workpiece material and cutting conditions. The aim of the work was to measure the cutting forces and tool wear during the milling. Based on experiment, it is clear that the PVD coatings with nano-layers achieves to the longer life in comparison with others and generally, that the using of coatings le

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21

Burgmann, Flame Astra, and f. burgmann@usyd edu au. "Nanostructured Multilayer Coatings of Aluminium and Aluminium Oxide with Tungsten." RMIT University. Applied Sciences, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080424.135857.

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The development of nanostructured coatings which exhibit enhanced mechanical properties is currently of interest due to the importance of high performance coatings in a large range of applications. Single layer coatings have predominantly been used for these demanding applications, however the promising mechanical properties observed in multilayer coatings has shifted the focus of current research. In particular, there has been reports of the use of alternating materials with opposing mechanical properties, as seen in the abalone shell, which have exhibited hardness and toughness values signif

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22

Nyberg, Harald, Takayuki Tokoroyama, Urban Wiklund, and Staffan Jacobson. "Design of low-friction PVD coating systems with enhanced running-in performance - carbon overcoats on TaC/aC coatings." Uppsala universitet, Tillämpad materialvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-200653.

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The widespread use of low friction PVD coatings on machine elements is limited by the high costs associated with fulfilling the demands on the surface quality of both the supporting substrate and the counter surface. In this work, an attempt is made at lowering these demands, by adding a sacrificial carbon overcoat to a TaC/aC low friction coating. Both coatings were deposited by planar magnetron DC sputtering, as separate steps in a single PVD-process. Coatings were deposited on substrates of two different surface roughnesses, in order to test the ability of this coating system to function on

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23

Tassini, Nicola. "Modelling the vibration damping behaviour of APS and EB-PVD ceramic coatings." Thesis, University of Sheffield, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444241.

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Sugumaran, Arunprabhu A. "Development of nanostructured PVD coatings for total knee replacement joints using HIPIMS." Thesis, Sheffield Hallam University, 2014. http://shura.shu.ac.uk/19288/.

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The aim of this study was to develop thin film coatings for total knee replacement joints using high power impulse magnetron sputtering (HIPIMS). An industrial size four cathode magnetron sputtering system equipped with direct current (DC) and HIPIMS power supplies was used for this purpose. Initially, Plasma diagnostics were carried out using optical emission spectroscopy (OES) while sputtering Ti target in Ar + N2 atmosphere by utilizing various HIP IMS/conventional DCMS (henceforth UBM) source combinations by varying the process parameters such as coil current and N2 flow. Then, single laye

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Belov, D. S., I. V. Blinkov, A. O. Volkhonskiy, and J. Michalski. "Discrete Modified Nanostructural Wearproof Coatings TiN-Cu." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35311.

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Discrete modified nanostructural wearproof coatings Ti-N-Cu with crystallites size from 100 to 20 nanometers formed with ion-plasma vacuum-arc method. Copper amount in the received coatings made from 0 to 20 at. %, their hardness have considerably increased up to about 40-45 hPa in comparison with 20-22 hPa for Ti-N coverings. In this work, processes of structure and phase formation of Ti-N-Cu system coatings in a wide interval of copper concentration are investigated. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35311

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Morton, Thomas Joseph. "Development of high temperature/oxidation-resistant PVD coatings for cutting tools using HIPIMS." Thesis, Sheffield Hallam University, 2017. http://shura.shu.ac.uk/16598/.

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A series of high temperature and oxidation resistant, nanoscale, multilayer PVD, hard coatings have been developed through combine DC Unbalanced Magnetron (UBM) and High Power Impulse Magnetron Sputtering (HIPIMS) deposition technologies. The properties of the coatings lend themselves to the application of protecting cutting tools exposed to harsh environment such as the dry, high-speed machining of abrasive materials. This thesis discusses the literature supporting the project and pays tribute to the development of coatings that formed the foundation for the CrAlYBCN/AlSiCN coating series. Pl

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Abd, Rahman M. N. "Modelling of physical vapour deposition (PVD) process on cutting tool using response surface methodology (RSM)." Thesis, Coventry University, 2009. http://curve.coventry.ac.uk/open/items/cca436cf-b72b-c899-ef02-bd522b0d7ec5/1.

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The Physical Vapour Deposition (PVD) magnetron sputtering process is one of the widely used techniques for depositing thin film coatings on substrates for various applications such as integrated circuit fabrication, decorative coatings, and hard coatings for tooling. In the area of coatings on cutting tools, tool life can be improved drastically with the application of hard coatings. Application of coatings on cutting tools for various machining techniques, such as continuous and interrupted cutting, requires different coating characteristics, these being highly dependent on the process parame

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Fallqvist, Mikael. "Microstructural, Mechanical and Tribological Characterisation of CVD and PVD Coatings for Metal Cutting Applications." Doctoral thesis, Uppsala universitet, Tillämpad materialvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-172364.

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The present thesis focuses on characterisation of microstructure and the resulting mechanical and tribological properties of CVD and PVD coatings used in metal cutting applications. These thin and hard coatings are designed to improve the tribological performance of cutting tools which in metal cutting operations may result in improved cutting performance, lower energy consumption, lower production costs and lower impact on the environment. In order to increase the understanding of the tribological behaviour of the coating systems a number of friction and wear tests have been performed and ev

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Samešová, Zina. "Zvyšování řezivosti maticových závitníků pomocí PVD povlaků." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230057.

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This thesis, in its theoretical part deals with the process of cutting, abrasion-resistant layers properties and their contribution to increasing of cutting properties. The second part of the thesis is experimental. It aims to determine, compare and subsequently evaluate cutting properties of threading tools using matrix taps with different types of PVD coatings. During implementation of the experiment, constant cutting conditions have been ensured and the only variable was the different types of coating layers. Outcome of the experiment is measurement of cutting torques in relation on time an

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Tu, Wei-Lun. "Processing, Structure, and Tribological Property Interrelationships in Sputtered Nanocrystalline ZnO Coatings." Thesis, University of North Texas, 2009. https://digital.library.unt.edu/ark:/67531/metadc12207/.

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Solid lubricant coatings with controlled microstructures are good candidates in providing lubricity in moving mechanical assembly applications, such as orthopedics and bearing steels. Nanocrystalline ZnO coatings with a layered wurtzite crystal structure have the potential to function as a lubricious material by its defective structure which is controlled by sputter deposition. The interrelationships between sputtered ZnO, its nanocrystalline structure and its lubricity will be discussed in this thesis. The nanocrystalline ZnO coatings were deposited on silicon substrates and Ti alloys by RF

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Schmitz, Tobias [Verfasser], and Jürgen [Gutachter] Groll. "Functional coatings by physical vapor deposition (PVD) for biomedical applications / Tobias Schmitz ; Gutachter: Jürgen Groll." Würzburg : Universität Würzburg, 2017. http://d-nb.info/1126419125/34.

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Liu, Lian. "Development of novel nanocomposite PVD coatings to improve wear and corrosion resistance of magnesium alloys." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/18139/.

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The main aim of this research was to develop novel nanocomposite PVD coatings for magnesium alloys, to improve their wear and corrosion resistance – and thereby explore the potential to extend the use of such alloys to moving parts for light-weighting of tribological components, where the potential for cumulative weight savings is immense if key parts can be made from magnesium, but the alloys cannot currently be used successfully due to their poor wear and corrosion behaviour under dynamic loading. The work comprises two main stages. The first stage was to produce a base layer for subsequent

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Lindquist, Mattias. "Self Lubrication on the Atomic Scale : Design, Synthesis and Evaluation of Coatings." Doctoral thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8443.

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In this thesis a new design concept of tribologically active coatings aimed for low friction applications, have been explored. Materials modeled by ab initio DFT calculations were realized through deposition of carbide and nanocomposite coatings by DC-magnetron sputtering. The design concept employs destabilization of a carbide material by alloying with a weak carbide-forming element, which refines the structure into a nanocomposite. The destabilization creates a driving force for superficial ejection of carbon in a tribological contact, forming a lubricious graphitic carbon layer. The otherwi

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Lewin, Erik. "Design of carbide-based nanocomposite coatings." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-109427.

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Fořt, Tomáš. "Charakterizace nanostruktur deponovaných PVD a CVD technologiemi." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-233449.

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The thesis deals with mechanical properties of thin hard wear-resistant coatings. The work presents a method of dynamic testing of thin hard coatings on a newly constructed prototype of impact wear tester. It provides a comparison with standard methods of layer testing and presents new experimental results of dynamic impact wear test of the coatings. Finally, the thesis covers preparation techniques of thin film systems deposited on various substrates and their characterization using optical and electron microscopy.

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Beeler, David Allen. "Analysis of Laser Induced Spallation of Electron Beam Physical Vapor Deposited (EB-PVD) Thermal Barrier Coatings." Wright State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=wright1380478836.

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Leisner, Vito [Verfasser], and D. [Akademischer Betreuer] Koch. "Neue Environmental Barrier Coatings für SiC/SiC-Faserverbundwerkstoffe durch PVD-Technologien / Vito Leisner ; Betreuer: D. Koch." Karlsruhe : KIT-Bibliothek, 2020. http://d-nb.info/1204132828/34.

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Frodelius, Jenny. "Characterization of Ti2AlC coatings deposited with High Velocity Oxy-Fuel and Magnetron Sputtering Techniques." Licentiate thesis, Linköpings universitet, Tunnfilmsfysik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11422.

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This Thesis presents two different deposition techniques for the synthesis of Ti2AlC coatings. First, I have fabricated Ti2AlC coatings by high velocity oxy-fuel (HVOF) spraying. Analysis with scanning electron microscopy (SEM) show dense coatings with thicknesses of ~150 µm when spraying with a MAXTHAL 211TM Ti2AlC powder of size ~38 µm in an H2/O2 gas flow. The films showed good adhesion to stainless steel substrates as determined by bending tests and the hardness was 3-5 GPa. X-ray diffraction (XRD) detected minority phases of Ti3AlC2, TiC, and AlxTiy alloys. The use of a larger powder size

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Hudeček, Pavel. "Testování řezivosti nástrojů ze slinutých karbidů povlakovaných PVD nanokrystalickými kompozity." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228680.

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This thesis deals with the analysis of properties of hard coatings and wear resistance PVD coated technology. It focuses on the preparation, execution and evaluation of test coatings on the front ball milling cutter.

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Eriksson, Philip, Emily Hall, Felix Jacobson, et al. "Metod för mätning av restspänningar i PVD-beläggningar på tunna substrat." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-295939.

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The aim of this project was to, based on a given idea, develop and evaluate a method for measuring residual stress in thin PVD coatings. AlCrN was deposited, by PVD, on thin circular samples of stainless steel foil and the radius of the emerged curvature was measured using an optical profilometer. From the radius data the residual stress in the coating of each sample was calculated. The foil samples examined were of two different thicknesses, 0.3 mm and 0.5 mm. With the parameters of the project the foils of 0.3 mm were found most suitable. Furthermore, the method was compared to an already es

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Бондар, Олександр В`ячеславович, Александр Вячеславович Бондарь, Oleksandr Viacheslavovych Bondar, et al. "Structure and Mechanical Properties of Multilayered Nanostructured TiN/ZrN Ion-plasma Coatings." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42763.

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Multilayered coatings based on TiN/ZrN with different thickness of bilayers were deposited on steel substrates using vacuum arc deposition of a cathodes (C-PVD method). Thickness of bilayer strongly depended on deposition conditions and varied in the range 39 – 305 nm, total thickness of the coatings were 11-19 μm. Mechanical and tribotechnical characteristics of the coatings were investigated in the paper as well as its microstructure. Influence of the bilayer thickness on the properties of the coatings were explored.

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Vega, Triana Juan Pablo [Verfasser]. "Application and development of electrochemical methods to investigate the permeability of PVD coatings / Juan Pablo Vega Triana." Aachen : Shaker, 2019. http://d-nb.info/1188551957/34.

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Gulizia, Stefan. "Soldering in high pressure die casting (HPDC) performance evaluation and characterisation of physical vapour deposition (PVD) coatings /." Swinburne Research Bank, 2008. http://hdl.handle.net/1959.3/39640.

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Thesis (MEng) - School of Engineering and Science, Swinburne University of Technology, 2008.<br>Thesis submitted for the degree of Master of Engineering, School of Engineering and Science, Swinburne University of Technology, 2008. Typescript. Includes bibliographical references (p. 98-101).

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Belov, D. S., A. O. Volkhonsky, Blinkov I. V, E. A. Skryleva, and J. Michalski. "Multilayer Nanostructured Wear-Resistant Coatings with Increased Thermal Stability, Adapted to Varying Friction Conditions." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35318.

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The work covers studying of influence of indexes of an ion-plasma vacuum-arc deposition method to the structure, composition and properties of Ti-Al-N/Zr-Nb-N/Cr-N multilayer nanostructured coatings (MNC). The average crystallites size within the layers is about 5-10 nm. Received coatings are featured by absence of any change in the composition and properties after heating up to 1000 ºС, the coatings hardness is up to 36,6GPa, Young's modulus of elasticity is up to 580 GPa, plastic work of deformation is up to 64 %, adhesive strength is about 100 N and coefficient of friction is 0,45. Whe

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Carvalho, Marta Regina Delle Donne 1962. "Análise comparativa de meios de preparação do substrato para ferramentas de torneamento revestidas pelo processo PVD." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263007.

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Orientador: Anselmo Eduardo Diniz<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-23T04:12:20Z (GMT). No. of bitstreams: 1 Carvalho_MartaReginaDelleDonne_M.pdf: 17580883 bytes, checksum: f1ff52988b201685207f750165cbc037 (MD5) Previous issue date: 2013<br>Resumo: O resumo poderá ser visualizado no texto completo da tese digital<br>Abstract: The abstract is available with the full electronic document<br>Mestrado<br>Materiais e Processos de Fabricação<br>Mestra em Engenharia Mecânica

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Khetan, Vishal. "High temperature oxidation and wear properties of magnetron sputtered AlTiTaN based hard coatings." Doctoral thesis, Universite Libre de Bruxelles, 2016. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/225493.

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Hard nanostructured TiAlN coatings have gained high importance in the field of protective tribological coatings. Nevertheless, their use regarding high temperature (>800°C) applications such as dry high speed machining still remains a challenge. Addition of elements such as Ta or Y has shown a beneficial impact on these properties. But for a better performance of these coatings, an in-depth understanding of their oxidation and wear mechanisms over a wider range of temperatures is needed which is currently unavailable in the literature. This work investigated the wear and oxidation properties o

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OLIVA, GAETANA CRISTIANA. "In-situ determination of mechanical failure modes in thin mono- and multilayer coatings." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2502263.

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Mechanical properties such as fracture strength and fracture toughness of thin films obtained from Physical Vapour Deposition are difficult to evaluate since the relative small dimension of such coatings. Furthermore, the fracture modes are not well understood yet. In this thesis novel techniques have been used in order to fill the lack of information about mechanical properties of hard thin coatings. In-situ bending tests were carried out in order to study the fracture strength. The evaluation of such property and the modes of fracture were studied via direct observation inside the Scanning E

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Frodelius, Jenny. "Characterization of Ti₂AlC coatings deposited with High Velocity Oxy-Fuel and Magnetron Sputtering Techniques." Licentiate thesis, Linköping University, Linköping University, Thin Film Physics, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11422.

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<p>This Thesis presents two different deposition techniques for the synthesis of Ti<sub>2</sub>AlC coatings. First, I have fabricated Ti<sub>2</sub>AlC coatings by high velocity oxy-fuel (HVOF) spraying. Analysis with scanning electron microscopy (SEM) show dense coatings with thicknesses of ~150 µm when spraying with a MAXTHAL 211<sup>TM </sup>Ti<sub>2</sub>AlC powder of size ~38 µm in an H<sub>2</sub>/O<sub>2</sub> gas flow. The films showed good adhesion to stainless steel substrates as determined by bending tests and the hardness was 3-5 GPa. X-ray diffraction (XRD) detected minority phase

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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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Diaz, Rene Orlando. "In-situ stress measurements of EB-PVD thermal barrier coatings using synchrotron x-ray diffraction under thermo-mechanical loading." Honors in the Major Thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1406.

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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.<br>Bachelors<br>Engineering and Computer Science<br>Mechanical and Aerospace Engineering

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