Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 105 for “"pvd"”.
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Fundamental studies of the PVD technique.
… Emission Spectroscopy) to the application of PVD coatings evaluation is addressed. The speed and versatility of this technique makes it strategically important in the future research, development and quality control of thin film production.
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Beschichtung von textilen Flächen mit den PVD-Technologien reaktives Vakuumbogen-Verdampfen und reaktives Magnetron-Sputtern : PVD-Beschichtung von textilen Flächen
… Schichten auf textilen Flächengebilden mit den PVD-Technologien reaktives Magnetron-Sputtern und reaktives Vakuumbogen-Verdampfen. Basis für die Realisierung der experimentellen Untersuchungen sind sowohl vorhandene industrielle PVD-Beschichtungsanlagen, die im Batchbetrieb arbeiten, als auch …
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Development of PVD coating processes informed by plasma diagnostics.
… can be achieved only by the development of PVD technology and in particular plasma sources for vapour generation that can provide the necessary tools.This thesis describes plasma diagnostic studies of plasma discharges, developments of plasma sources and deposition of CrN coatings. Initially …
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Raman microscopic studies of PVD deposited hard ceramic coatings.
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 …
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A study of the structure of codeposited PVD coatings
The structure of two-component coatings codeposited by magnetron sputterion plating was studied. This apparently simple topic has never been studiedsystematically and has led to a number of unexpected and very interestingresults.The systems that were studied included materials with 100% …
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PVD Synthesis and Characterization of Functional Oxides for Transparent Electronics [Sintesi tramite metodi fisici da fase vapore (PVD) e Caratterizzazione di Ossidi Funzionali per Elettronica Trasparente]
… includono lo studio, la sintesi mediante metodi PVD, la caratterizzazione e l'applicazione di diversi TCM per il fotovoltaico, l'elettronica trasparente, l'elettronica di potenza e l'idrolisi per la produzione di idrogeno verde. Il Capitolo 1 offre un'introduzione alla storia, allo stato …
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PVD COATING TREATMENT TOWARDS A SUSTAINABLE AND ECO-FRIENDLY MANUFACTURING SYSTEM
… energy consumption. Physical Vapor Deposition (PVD) offers an eco-friendly approach, and in recent years high entropy alloys (HEAs) have emerged as promising candidates for protective coatings due to their exceptional mechanical and corrosion-resistant properties. However, limited work has been …
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Studies of steered arc motion and macroparticle production in PVD processing.
… of such coatings is Physical Vapour Deposition (PVD). Interest in such thin films has led to much research effort, both academic and industrial, being devoted to the area. In order that these advancements in technology continue, research into the fundamental aspects of PVD is required. This …
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[57]Fe Mossbauer studies of surface interactions in a PVD process.
… treated by Physical Vapour Deposition (PVD) processes. The information provided by the technique makes it strategically important in the future research of interface regions generated by PVD processes.
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Graded titanium based coatings by combining thermal spray and PVD technologies
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 …
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Evaluation of tests for porosity and defects in PVD and electroless coatings.
… of electroless nickel, (TiAl)N, TiN and CrN PVD coatings on mild steel having different surface roughnesses was investigated using porosity/corrosion tests. The tests used were the neutral salt spray test, ferroxyl test, sulphur dioxide test and the copper cementation test. Additionally the …
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Analytical studies of corrosion and wear resistant CrN/NbN superlattice PVD coatings.
… the combined cathodic arc/unbalanced magnetron PVD technique (Arc Bond Sputter) with a coating thickness of 3.0 pm at bias voltages Ubeta of -75 and -95 Volts. The coatings exhibited a preferred {111} texture, good adhesion properties and plastic hardness of 38 to 69 GPa. The microstructural and …
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Development of nanostructured PVD coatings for total knee replacement joints using HIPIMS.
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. …
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Development of high temperature/oxidation- resistant PVD coatings for cutting tools using HIPIMS
… 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 …
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Deposition and characterisation of (Ti,Zr) based hard compound and multi-layer PVD films.
… of such coatings is Physical Vapour Deposition (PVD) which has proved to be a consistent, reliable and improving technique for industry. In the area of advanced wear resistant coatings however, fundamental research to improve deposition efficiency and enhance coating performance has been …
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Investigation into the effects of chromium cross-contamination in niobium sputter deposited coatings using a multi-target PVD system.
… such technique is Physical Vapour Deposition (PVD) which has proved to be a consistently reliable method for the production of thin coatings. The PVD coating system used in this study was the Hauzer HTC 1000-4 ABS which utilises four unbalanced magnetrons in closed-field geometry.A typical …
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The Relationship Between Psychosocial Functioning and Diffuse Noxious Inhibitory Control Function in Women With Provoked Vestibulodynia and Pain Free Controls
Provoked Vestibulodynia (PVD) is the most common form of chronic vulvar pain, affecting 12% of women in the general population. PVD is characterized by a severe burning pain in response to pressure localized to the vaginal entrance. Research examining the pain component of PVD indicates that it has …
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Early-Stage Research and Design of a Diagnostic Sensor for Peripheral Vascular Disease
Peripheral Vascular Disease (PVD) is a blood circulation disorder that involves the narrowing and blocking of arteries in the lower extremities of the body. Symptoms of PVD include pain and restricted mobility, and as the disease progresses, it can lead to high risk of heart attack and stroke. PVD …
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Genetic, Cellular and Ultrastructural Mechanisms in Retinal Detachment
… tear caused by posterior vitreous detachment (PVD), but most people with PVD do not develop RRD. Understanding the underlying processes may help to prevent the need for emergency surgery and prevent vision loss. The work in this thesis uses three approaches to investigate the causes of RRD – …
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