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Relevant bibliographies by topics / Plasma coating process

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Academic literature on the topic 'Plasma coating process'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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Journal articles on the topic "Plasma coating process"

1

Samal, Sneha, Jakub Zeman, Stanislav Habr, Oliva Pacherová, Jaromír Kopeček, and Petr Šittner. "Preparation and Characterization of Multilayer NiTi Coatings by a Thermal Plasma Process." Materials 17, no. 3 (2024): 694. http://dx.doi.org/10.3390/ma17030694.

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The deposition of multilayer coating of NiTi is carried out by a thermal plasma spraying process on a stainless steel substrate. The deposition of melted NiTi particles creates an adhesion layer on the substrate with the subsequent formation of multilayer coating with a certain thickness. Six layers of coating are created to achieve a certain thickness in terms of the sprayed sample. This paper aims to investigate multilayer NiTi coatings created through a thermal plasma process. The key variable feed rate was considered, as well as its effect on the microstructure characteristics. The shape memory effect associated with the coating properties was analyzed in detail. The variable feed rate was considered one of the most important parameters in the thermal plasma spraying process due to its ability to control the quality and compactness of the coating structure. The coatings were characterized by examining their microstructure, thermal, chemical, and microhardness. The indent marks were made/realized along the cross-section surface for the analysis of crack propagation resistance and wear properties. The coating’s surface did not display segmentation crack lines. Nevertheless, the cross-sectional surfaces showed evidence of crack lines. There were eutectic zones of the interlamellar structure observed in the structure of the coating. The plasma-sprayed samples from thermo-mechanical analysis of the hysteresis curve provide strong confirmation of the shape memory effect.

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Sikdar, Soumya, Pramod V. Menezes, Raven Maccione, Timo Jacob, and Pradeep L. Menezes. "Plasma Electrolytic Oxidation (PEO) Process—Processing, Properties, and Applications." Nanomaterials 11, no. 6 (2021): 1375. http://dx.doi.org/10.3390/nano11061375.

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Plasma electrolytic oxidation (PEO) is a novel surface treatment process to produce thick, dense metal oxide coatings, especially on light metals, primarily to improve their wear and corrosion resistance. The coating manufactured from the PEO process is relatively superior to normal anodic oxidation. It is widely employed in the fields of mechanical, petrochemical, and biomedical industries, to name a few. Several investigations have been carried out to study the coating performance developed through the PEO process in the past. This review attempts to summarize and explain some of the fundamental aspects of the PEO process, mechanism of coating formation, the processing conditions that impact the process, the main characteristics of the process, the microstructures evolved in the coating, the mechanical and tribological properties of the coating, and the influence of environmental conditions on the coating process. Recently, the PEO process has also been employed to produce nanocomposite coatings by incorporating nanoparticles in the electrolyte. This review also narrates some of the recent developments in the field of nanocomposite coatings with examples and their applications. Additionally, some of the applications of the PEO coatings have been demonstrated. Moreover, the significance of the PEO process, its current trends, and its scope of future work are highlighted.

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Kriba, Ilhem, and A. Djebaili. "The Interaction between Particles and a Plasma Beam in the Thermal Projection Process." Advanced Materials Research 83-86 (December 2009): 801–9. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.801.

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Plasma spray processes have been widely used to produce high performance coatings of a wide range of Materials (metallic, non-metallic, ceramics), offering protection from, eg. wear, extreme temperature, chemical attack and environmental corrosion. To obtain good quality coatings, spray parameters must be carefully selected. Due to the large variety in process parameters, it is difficult to optimize the process for each specific coating and substrate combinations. Furthermore modelling the spray process allows a better understanding of the process sequences during thermal spraying. Good agreement of the virtual spraying process with the real coating formation is achieved by modelling the particular process steps. The simulation of coating formation to estimate the process parameters is an important tool to develop new coating structures with defined properties. In this work, the process of plasma sprayed coating has been analyzed by numerical simulation. Commercial code is used to predict the plasma jet characteristics, plasma –particle interaction, and coating formation. Using this model we can obtain coating microstructure and characteristics which form a foundation for further improvement of an advanced ceramic coating build up model.

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Zhang, Miao, Yu Zhang, Pengyu Dai, Lin Zhao, Liping Wu, and Shendian Li. "Study on the Process Parameters and Corrosion Resistance of FeCoNiCrAl High Entropy Alloy Coating Prepared by Atmospheric Plasma Spraying." Materials 18, no. 7 (2025): 1396. https://doi.org/10.3390/ma18071396.

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FeCoNiCrAl high-entropy alloy (HEA) coating was prepared by air plasma spraying, and the coating’s morphology and properties under different power parameters were analyzed. The results show that the spraying power significantly affects the morphology of the coating during plasma spraying. The molten droplets formed during the preparation process of HEA coatings tend to combine with oxygen, with aluminum bonding particularly strongly with oxygen, resulting in the presence of aluminum oxide within the coating, while other elements exhibit weaker bonding with oxygen. The optimal spraying power is 12 kW, and coatings prepared at this optimal power exhibit advantages such as low porosity, uniform element distribution, and excellent corrosion resistance. The aluminum in the HEA coating forms a relatively stable compound with oxygen, creating a Cr-depleted and Al-enriched region. This region is less prone to passivation during corrosion and more susceptible to reacting with corrosive media, leading to localized corrosion of the coating.

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Niu, Ya Ran, Xuan Yong Liu, and Chuan Xian Ding. "Comparison of Silicon Coatings Deposited by Vacuum Plasma Spraying (VPS) & Atmospheric Plasma Spraying (APS)." Materials Science Forum 510-511 (March 2006): 802–5. http://dx.doi.org/10.4028/www.scientific.net/msf.510-511.802.

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In this work, silicon coatings were deposited using VPS and APS technologies. Their structure and composition were characterized using XPS, SEM, and XRD. The porosity and surface-roughness of coatings were evaluated. The results showed that the VPS silicon coating possessed lower porosity compared with the APS silicon coating. The APS silicon coating surface was almost all covered by many small particles whose size is about 100 nm. The Si 2p XPS spectra indicated that silicon oxide existed in both coatings. The oxidation may have occurred during the plasma spray process. However, the VPS process could inhibit silicon from being oxidated.

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Ho, Wei Yu, Hui Chu Chen, Chi Lung Chang, Da Yung Wang, and Woei Yun Ho. "Surface Modification of CrN Coating by Plasma Oxidation Process." Key Engineering Materials 373-374 (March 2008): 371–74. http://dx.doi.org/10.4028/www.scientific.net/kem.373-374.371.

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In this study, the CrN coating was first deposited on tool steels by cathodic arc evaporation technique and then this coating was subjected to oxygen glow discharge to activate the oxidation process in order to form oxide layer on the surface of the CrN coating. The varied properties of CrN coatings with or without oxidation treatment were studied in terms of hardness, adhesion, microstructure and surface morphology by using XRD, AFM, Rockwell indentation, Nano-indentation tests. The result turned out that the effect of the plasma oxidation process on the hardness of CrN coating was improved due to the oxide layer on the surface.

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Lin, Tzu-Ken, Dong-Sing Wuu, Shih-Yung Huang, and Wei-Kai Wang. "Preparation and Characterization of Sprayed-Yttrium Oxyfluoride Corrosion Protective Coating for Plasma Process Chambers." Coatings 8, no. 10 (2018): 373. http://dx.doi.org/10.3390/coatings8100373.

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This study investigates the microstructure, mechanical and electrical properties of dense yttrium oxyfluoride (YOF) coatings fabricated by the atmospheric plasma spraying technique. Transmission electron microscopy and X-ray diffraction analysis revealed a well crystallized YOF coating with preferred orientations. The YOF coatings were more porous (approximate porosity 0.5%), with higher hardness (290 ± 30 HV), lower electrical resistivity (1016 Ω⋅cm), and breakdown voltage (5.57 kV), than conventional yttrium-fluoride plasma-protective coating. These results indicate the potential of the YOF coating as a novel antiplasma and corrosion-resistant ceramic.

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Vu, Duong, and Ha Minh Hung. "Predictive Modeling of Porosity in Al₂O₃–TiO₂ Ceramic Coatings Produced by Plasma Spraying." SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) 6, no. 1 (2025): 181–94. https://doi.org/10.12928/spekta.v6i1.10985.

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Background: Plasma spraying is a proven technique for applying ceramic coatings to enhance the mechanical and chemical resistance of components exposed to abrasive and corrosive environments. However, controlling coating porosity remains a critical factor that directly affects the coating's performance and lifespan. Contribution: This study contributes to the field by developing a predictive model that quantifies the influence of key plasma spraying parameters on the porosity of Al₂O₃–TiO₂ coatings. The model enables process optimization and quality control for applications requiring high-performance surface protection. Method: An orthogonal experimental design (N27) was implemented to systematically vary three process parameters: spray distance (Lp), plasma current intensity (Ip), and powder feed rate (Gp). A total of 27 coating samples were produced and analyzed. Results: The resulting porosity ranged from 5.96% to 14.52% depending on parameter combinations. The developed second-order polynomial regression model demonstrated good predictive accuracy, with deviation between measured and predicted values ranging from −8.67% to +13.96%, and typically within acceptable engineering limits. Conclusion: The findings confirm that process parameters significantly affect coating porosity, and that the proposed model is a useful tool for optimizing plasma spray operations.

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Carradò, Adele. "Development of Bioactive Hydroxyapatite Coatings on Titanium Alloys." Key Engineering Materials 533 (December 2012): 183–93. http://dx.doi.org/10.4028/www.scientific.net/kem.533.183.

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Bioactive coatings are currently manufacturing using plasma-sprayed technique on metal implant surfaces in order to optimize bone-implant interactions. Nevertheless, some problems exist with coating process, e.g. poor interfacial adhesion, modification of coating properties, and the lack of an existing coating standard. In order to overcome some of the problems with the plasma-spraying process, researchers are investigating other experimental coating methods to enhance the adhesion and to control the coating properties. This paper will discuss the advantages and disadvantages of plasma spraying and the experimental coating processes as pulsed laser deposition as well as spin-coated sol-gel.

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Novak, R. C. "Processing Aspects of Plasma Sprayed Ceramic Coatings." Journal of Engineering for Gas Turbines and Power 110, no. 4 (1988): 617–20. http://dx.doi.org/10.1115/1.3240180.

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Experimental studies are described that demonstrate that variation in plasma spray process parameters has a substantial effect on the fundamental mechanical, thermal, and physical properties of ceramic coatings. This property variation is shown to influence the behavior of the coatings under rig tests that simulate exposure in gas turbine engines. Illustrative examples are given to demonstrate the value of the designed experiment approach to understanding the coating process/coating behavior interaction. Finally, statistical process control methods are discussed and shown to be useful for identifying process control limits utilizing sophisticated in-process sensors.

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Dissertations / Theses on the topic "Plasma coating process"

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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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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 perturbation signal to obtain impedance characteristics of the electrolyser during the PEO processing. The applied voltage signal and the current response are collected and post-processed to verify the system linearity, refine phase, reduce noise and spline the impedance spectra. The obtained spectra are then fitted with appropriate equivalent circuits to reveal mechanisms underlying the PEO process. Physical meaning of various circuit components is verified using specially designed experiments in which certain system characteristics are set up in such way to obtain controllable processing conditions, such as electric field distribution in the electrolyser, electrolyte resistance or coating thickness. The circuit analysis reveals specific RC and RL loops that can be related to individual processes associated with interfacial charge transfer and transport phenomena. Characteristic time constants corresponding to these processes are evaluated and their evolution with PEO treatment time is considered. Correlations of the process kinetics with phenomena observed during the PEO treatment of Al and coating growth characteristics are discussed. Several experiments involving complimentary methods and devices are also designed and carried out to assist the main method in investigation of the PEO processes. COMSOL Multiphisics software package is used for modelling the distribution of electric field and electrolyte resistance in the electrolyser; ex-situ EIS analysis- for impedance spectra comparison with ISIS results; fractal analysis- for studying the effects of coating morphology on impedance spectra; specialized imaging multi-channel (SIM) framing camera- for real-time observation of discharge events; and FFT analysis of high-resolution current signals- for studying the information on individual discharge events. Based on these studies, the characteristics of PEO process are discussed from different aspects and these better understanding is eventually achieved.

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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 temperature profile of in-flight particles within plasma jet, the second part predicts the cooling of isolated splats impacting on a substrate and the third part, the heat transfer through the coating thickness. The heat transfer analysis predicts that the development of large temperature gradients within the particle is a general characteristics of polymers during plasma spraying. This causes difficulties for polymer particles to be effectively molten within the plasma jet without decomposition. The theoretical calculations have predicted the effect of processing parameters on the temperature, the degree of melting and decomposition of in-flight polymer particles. With the aid of the model, the conditions for the preparation of high integrity thermoplastic deposits have been established by the control of the plasma arc power, plasma spraying distance, feedstock powder injection, torch traverse speed and feedstock particle size. The optimal deposition conditions are designed to produce effective particle melting in the plasma, extensive flow on impact, and minimal thermal degradation. The experimental work on optimizing processing parameters has confirmed the theoretical predictions. Examination of polymer coating structures reveals that the major defects are unmelted particles, cracks and pores. Five major categories of pores have been classified. It also revealed a significant loss in crystallinity and the presence of a minor metastable phase in the plasma deposited polyamide coatings due to rapid solidification. The study has indicated that the molecular weight of a polymer plays an important role on the splat flow and coating structure. Under non-optimal deposition condition, substantial thermal degradation occurred for which a chain scission mechanism is proposed for plasma deposited polyamide coatings. There are difficulties in achieving cross-linking during plasma spray deposition of thermosets. The theoretical calculations predict that adequate cross-linking is unlikely in a coating deposited under normal conditions, but preheating the substrate to above the cross-linking temperature improves the degree of cross-linking of the coatings substantially. In addition, the coating thickness has a major effect on the degree of cross-linking of thermosets. The calculations also predict that lowering the thermal conductivity by applying a thermal barrier undercoat and using a faster curing agent to reduce time required for the cross-linking reaction can improve the degree of cross-linking of thermoset deposits. The experimental results for the degree of cross-linking and wear resistance confirmed these predictions.

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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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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 procédé à deux enceintes est proposée puis explorée par voie de modélisation et de simulation numérique : la poudre est évaporée dans une enceinte haute pression (105 Pa) reliée par une tuyère de détente à une enceinte de dépôt basse pression (100 ou 1 000 Pa), permettant une évaporation énergétiquement plus efficace de poudre de Zircone Yttriée de granulométrie élevée, tout en utilisant des torches de puissance raisonnable. L’érosion et le colmatage de la tuyère de détente peuvent limiter la faisabilité d’un tel système. Aussi, par la mise en oeuvre de modèles numériques de mécaniquedes fluides et basé sur la théorie cinétique de la nucléation et de la croissance d’agrégats, on montre que, par l’ajustement des dimensions du système et des paramètres opératoires ces deux problèmes peuvent être contournés ou minimisés. En particulier, l’angle de divergence de la tuyère de détente est optimisé pour diminuer le risque de colmatage et obtenir le jet et le dépôt les plus uniformes possibles à l'aide des modèles susmentionnés, associés à un modèle DSMC (Monte-Carlo) du flux de gaz plasmagène raréfié. Pour une pression de 100 Pa, les résultats montrent que la barrière thermique serait formée par condensation de vapeur alors que pour 1 000 Pa, elle serait majoritairement formée par dépôt de nano-agrégats<br>Plasma Spray Physical Vapor Deposition (PS-PVD) aims to substantially evaporate material in powder form by means of a DC plasma jet to produce coatings with various microstructures built by vapor condensation and/or by deposition of nanoclusters. In the conventional PS-PVD process, all the material treatment takes place in a medium vacuum atmosphere, limiting the evaporation process or requiring very high-power torches. In the present work, an extension of conventional PS-PVD process as a two-chamber process is proposed and investigated by means of numerical modeling: the powder is vaporized in a high pressure chamber (105 Pa) connected to the low pressure (100 or 1,000 Pa) deposition chamber by an expansion nozzle, allowing more energetically efficient evaporation of coarse YSZ powders using relatively low power plasma torches. Expansion nozzle erosion and clogging can obstruct the feasibility of such a system. In the present work, through the use of computational fluid dynamics, kinetic nucleation theory and cluster growth equations it is shown through careful adjustment of system dimensions and operating parameters both problems can be avoided or minimized. Divergence angle of the expansion nozzle is optimized to decrease the clogging risk and to reach the most uniform coating and spray characteristics using the aforementioned approaches linked with a DSMC model of the rarefied plasma gas flow. Results show that for 100 Pa, the thermal barrier coating would be mainly built from vapor deposition unlike 1,000 Pa for which it is mainly built by cluster deposition

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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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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) solution (CVD-SiC coating, Chemical Vapor Deposition) by an Ultra High Temperature Ceramic (UHTC) based coating system. Different challenges of this approach are, for instance, the CTE mismatch between Cf/SiC and UHTC materials and the feasibility to create a dense, thick and adherent UHTC based coating on the hot gas wall (inner wall) of a small combustion chamber. In this work, a suitable coating process (High Performance Plasma Coating process, HPPC) for inner wall coatings is selected and further developed to create ZrB2 based coatings on Cf/SiC based substrate materials. Based on a parameter study, the coating quality of HPPC based ZrB2 coatings is optimized depending on plasma current, chamber pressure, powder flow rate, preheating and cooling rate. HPPC coatings with different material combinations (ZrB2, ZrB2-SiC, ZrB2-TaC, ZrB2-LaB6) are investigated regarding coating adhesion, voids, composition and thermo-chemical behavior within a combustion chamber-like environment. To decrease the CTE mismatch between Cf/SiC substrate and a ZrB2 based coating and to increase the thermo-chemical resistance of the composite, the SiC matrix material is modified by ZrB2 and Ta additions. Cf/SiC-ZrB2-TaC composites with different SiC/ZrB2-TaC ratios are fabricated and investigated regarding microstructure, chemical composition and material properties (physical, thermo-physical, mechanical and thermo-chemical). The adhesion of HPPC based ZrB2 coatings on Cf/SiC composites is enhanced by a ZrB2 and TaC matrix modification. Based on the results, interactions between process parameters, coating composition and substrate material are analyzed and provide the base for ZrB2 based EBCs of the inner wall coatings on Cf/SiC based components. By means of the obtained findings, the potential of several material systems is derived in order to develop a protective coating for long-term applications in combustion chamber environments.

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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 demarche suivie pour le choix de la composition du depot est egalement decrite. Le deuxieme chapitre est consacre a la presentation du procede d'elaboration et des techniques experimentales mises en uvre. Les resultats experimentaux, a partir d'echantillons modeles et industriels obtenus pour differentes conditions d'elaboration, sont presentes dans le troisieme chapitre. Ils mettent l'accent sur certains artefacts produits par la technique d'observation, et mettent en evidence des effets de la methode d'elaboration sur l'etat structural des echantillons. L'analyse et l'interpretation de ces resultats faites dans le dernier chapitre, permettent une approche des mecanismes d'adherence depot/substrat de ces echantillons. Un protocole est enfin propose pour une meilleure qualite des revetements

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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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Books on the topic "Plasma coating process"

1

United States. National Aeronautics and Space Administration., ed. Plasma assisted surface coating/modification processes: An emerging technology. National Aeronautics and Space Administration, 1987.

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National Institute of Standards and Technology (U.S.), ed. Thermal spray process reliability: Sensors and diagnostics : summary of a workshop held at National Institute of Standards and Technology. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2001.

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Iwaszko, Józef. Kształtowanie struktury i składu fazowego przetapianych powłok tlenkowych ZrO2 i Al2O3. Wydawn. Politechniki Częstochowskiej, 2008.

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Prani͡avichi͡us, L. Coating technology : ion beam deposition. Satas & Associates, 1993.

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Kravchenko, Igor', Maksim Glinskiy, Sergey Karcev, Viktor Korneev, and Diana Abdumuminova. Resource-saving plasma technology in the repair of processing equipment. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1083289.

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In the monograph methodological bases of selection of method of coating, design of technological processes of hardening and recovery of the wearing surfaces of parts using a systems engineering analysis and information support technologist. The mathematical model of plasma spraying of materials with different thermal conductivity and methods criteria for evaluation of technical and technological opportunities of a plasma coating method. Describes the methods and results of experimental studies, the analysis of the conditions and causes of loss of efficiency of processing equipment APK. The proposed scientific and methodical approach to the justification of expediency of the recovery and strengthening of the working bodies and parts expensive imported technological equipment. The proposed mathematical model describing the physical processes in plasma coating for various applications. The structure of the algorithm for solving the task of hardening and recovery of worn parts plasma methods on the basis of the integrated CAE system. This monograph is intended for employees of scientific research institutions, specialists of machine-building production and enterprises of technical service, as well as teachers, postgraduates and students of agricultural engineering areas of training.

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Kondapalli, Satyanarayana. Surface modification of aluminium components by developing composite coatings using plasma powder arc welding process. Shaker, 2007.

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Silva, Eugene De. Intensified plasma assisted processing: A novel process in surface coating technology. 2001.

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Non-thermal Plasma Surface Preparation of Metals. AMPP, 2022. https://doi.org/10.5006/ampp_sp21523-2022.

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Scope This standard contains the general requirements for the safe and effective use of APC equipment, operated either manually hand-held or through use of automation, to prepare various metallic surfaces for maintenance, repair, recoating, or lining. This standard does not address surface preparation of concrete. APC is applied to the entire surface specified to be prepared for a new coating or lining. Poorly adhered surface material and coating that cannot withstand the APC process are removed, while, depending on the chosen cleanliness level, any remaining coating is suitably prepared prior to the application of a new coating layer over the existing. In the case of metallic substrates, the underlying surface profile will be revealed whenever surface contamination and coatings are removed. This standard is limited to requirements for the removal of visible surface contaminants. Information on nonvisible contamination is in Appendix A (nonmandatory). Information on soluble salt testing is in SSPC-Guide 15. Additional information on the function of APC for metallic surface preparation is in Paragraph A1 of Appendix A. Paragraphs A2, A4, and A5 of Appendix A contain existing coating considerations for project planners and managers. Rationale Surface preparation professionals need a standard to determine when and why the use of APC would be beneficial.

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Mokrzycki, Paul. The deposition of nanostructured yttria stabilized zirconia coatings via the solution precursor plasma spray process. 2005.

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Improving the performance, reliability and service life of aviation technology products based on the innovative vacuum-plasma nanotechnologies for application of avinit functional coatings and surfaces modification. Scientific route, 2021.

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Book chapters on the topic "Plasma coating process"

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Hosseinabadi, Navid, and Hossein Ali Dehghanian. "The Suspension Aspect of Suspension Plasma Spray Process (SPS)." In Suspension Plasma Spray Coating of Advanced Ceramics. CRC Press, 2022. http://dx.doi.org/10.1201/9781003285014-5.

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Ma, Guozheng, Shuying Chen, and Haidou Wang. "Coating Quality Control Based on Traditional Process Measures." In Micro Process and Quality Control of Plasma Spraying. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2742-3_5.

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Ma, Guozheng, Shuying Chen, and Haidou Wang. "Coating Quality Control Based on State Optimization of Droplets and Splats." In Micro Process and Quality Control of Plasma Spraying. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2742-3_6.

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Joo, Dong Won, Sang Hyun Park, Yeon Gil Jung, Je Hyun Lee, Chang Ho Ye, and Koo Hyun Lee. "Effect of Platinum Pre-Coating on Isothermal Oxidation Behavior of MCrAlY Coating by Plasma Spray Process." In Materials Science Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-431-6.721.

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Miao, Qiang, Cai E. Cui, Jun De Pan, and Ping Ze Zhang. "CrN Coating on Magnesium Alloy AZ91 by Arc-Glow Plasma Depositing Process." In Key Engineering Materials. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-456-1.1789.

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Zhao, J. F., Yong Li, and L. Wang. "Nano-SiC Particles Reinforced Plasma Sprayed WC-Co Coating by Laser Melting Process." In Advances in Machining & Manufacturing Technology VIII. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-999-7.575.

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Cho, Changho, Woonbae Kim, and Hyungjae Shin. "Conformal Coating Process of Anti-sticking Thin Film Using C4F8 and Ar Plasma without Additional Equipment." In Transducers ’01 Eurosensors XV. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59497-7_241.

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Seok, Hyun Kwang, Jae Gun Lee, and Kyeong Ho Baik. "The Effects of Process Parameters on Mechanical Property and Visual Aspect of Plasma Sprayed Y2O3 Coating." In THERMEC 2006. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.1212.

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Taniguchi, Koichi, Satoshi Nishinoiri, Manabu Enoki, and Koichi Tomita. "Evaluation of Effect of Process Conditions on Microstructures in Plasma Sprayed Coating by In Situ Laser AE." In Advanced Nondestructive Evaluation I. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-412-x.1443.

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Madhavi, G., C. R. Raghavendra, and Kishan Naik. "Influence of Aluminium Oxide Coating on Aluminium and Stainless Steel Cookwares Deposited by Air Plasma Spray Process." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0244-4_46.

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Conference papers on the topic "Plasma coating process"

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Ranieri, Pietro, Jason Stimson, Levi Snowden, and Peter Yancey. "Atmospheric Plasma: One-Step Precision Process to Remove Coating and Promote Chemical Adhesion." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-18152.

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Abstract Removal of coatings around thin-walled ligaments or potentially defective structures require a precision tool that does not impact the structure leading to failure. The removal of any metal or damage to the surface must be avoided in these scenarios, which disqualifies highly abrasive removal methods such as blast cleaning and water-jetting. Atmospheric plasma coating removal (APCR) is a precision tool that can remove the layers of the original coating and modify the surface properties of the bare metal surface to promote chemical adhesion by increasing surface energy. Presented in this work will be our results on the removal efficiency of the original coating, change in water contact angle (adhesion promotion) before and after plasma treatment, and the increased adhesion strength shown by standard adhesion tests. Multiple metal surfaces and adhesives will be presented that represent the commonly used materials for naval and infrastructure industries.

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Yancey, Peter, Rich Hubner, and Dan Chute. "Plasma Coating Removal: a Safety and Industrial Hygiene Analysis." In Coatings+ 2020. SSPC, 2020. https://doi.org/10.5006/s2020-00078.

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Abstract The Atmospheric Plasma Coating Removal (APCR) process provides a unique new way to quickly and safely remove the toughest industrial coatings. As with any new process a thorough examination of the possible risks to the end users and the environment is critical. APS hired an environmental testing facility to conduct a series of experiments and provide an assessment of noise, dust, and select chemicals to determine the safety of the APCR process. The project examined two operational modes of the APCR process: the in-use case, in which the device is being used to actively remove coatings from steel and the static case, in which the device was fired continuously into air without treating a surface. Direct-Reading tests for gases (Ozone, Carbon Monoxide, Carbon Dioxide, and Nitrogen Oxides) were performed over the 4 hour testing period. Area noise levels, both inside and outside the testing area, were recorded and chemical samples were collected for laboratory analysis for Aluminum, Copper, Hydrogen Cyanide, Total Hydrocarbons, Respirable Dust, Total Dust, and Sulfur Dioxide. On December 18, 2018 and March 4th and 5th, 2019, BSI EHS Services (BSI) and Atmospheric Plasma Solutions (APS) conducted a series of tests to evaluate environmental health and safety aspects of the use of APS's APCR technology. These tests were conducted within a testing enclosure located within the APS facility in Cary, North Carolina and included an assessment of noise, dust, and select chemicals to determine the safety of the APCR technology. During testing, samples were collected for a variety of media including: Direct-Reading tests for gases (Ozone, Carbon Monoxide, Carbon Dioxide, and Nitrogen Oxides)Area noise levels (both inside and outside the testing shed)Chemical samples with laboratory analysis (Aluminum, Copper, Hydrogen Cyanide, Total Hydrocarbons, Respirable Dust, Total Dust, and Sulfur Dioxide)

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Yancey, Peter, Glenn Astolfi, Randy Nixon, Glenn D. Hauser, Cory Brown, and Gregory Pope. "Atmospheric Plasma Coating Removal: the Future without Spent Abrasive." In SSPC 2018. SSPC, 2018. https://doi.org/10.5006/s2018-00014.

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Abstract Throughout both commercial and military industries there is a growing need for environmentally safe and cost-effective solutions capable of removing paint and coatings from a wide range of surfaces including steel, aluminum, concrete and composites. Atmospheric Plasma Coating Removal (APCR) is the next generation of coating removal and surface preparation technology that represents a step forward in developing more environmentally responsible methods for coating removal. Tested in U.S. government trials, APCR was found to be a safe and effective alternative to dry media blasting and wet abrasive blasting. Requiring only compressed air and electricity to operate, a concentrated, low temperature, air plasma beam is created which enables rapid coating removal without the use of any media, virtually eliminating the need for containment. Single or multiple plasma beams may be configured for handheld or machine-mounted use to prepare a variety of substrates. The coating removal and cleaning process converts the organic components of most decorative or protective coatings into carbon dioxide and water vapor. Inorganic constituents of the coatings, such as pigments, are then recovered as a fine dust. The Atmospheric Plasma Coating Removal system presents a novel technology to remove coatings from virtually any substrate material. APCR has been demonstrated to be an effective alternative to media and wet abrasive blasting on a wide range of surfaces and coatings found in both commercial and military industries.

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Coudert, J. F., V. Rat, H. Ageorges, A. Denoirjean, P. Fauchais, and G. Montavon. "Suspension Plasma Spraying of Alumina Coatings: Process and Coating Structure." In 2007 IEEE Pulsed Power Plasma Science Conference. IEEE, 2007. http://dx.doi.org/10.1109/ppps.2007.4346152.

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Mor, Gianpaolo, and Vladimir Belashchenko. "High Stability, High Enthalpy APS Process Based on Combined Wall and Gas Stabilizations of Plasma (Part 1: Process and Coatings Introduction)." In ITSC2015, edited by A. Agarwal, G. Bolelli, A. Concustell, et al. ASM International, 2015. http://dx.doi.org/10.31399/asm.cp.itsc2015p0437.

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Abstract The paper describes the major features of a recently developed high voltage – low current air plasma spray (APS) process and torch that is based on combined wall and gas stabilizations of plasma (C+Plasma). It is shown that the C+Plasma process is capable of efficiently generating stable plasmas without drifting or pulsing. Plasma gas selection includes N2, N2-H2, N2 -Ar-H2, Ar-H2(He), etc. Availability of stable N2-H2 plasmas having enthalpies within 30-70 kJ/sl range offers a new level of APS efficiency and coating quality. The paper includes illustrations of the C+Plasma durability, stability and expanded operating window. The process capability is also illustrated by properties of the advanced MCrAlY bond coatings and dense segmented TBCs (thermal barrier coating).

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Lucas, H., A. Denoirjean, M. Vardelle, and A. M. Furlani. "Cladding by Plasma Transferred Arc Process: Effect of the Process on Plasma Parameters Behavior and Molten Bath." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0782.

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Abstract Coatings, a few-millimeter thick, are widely used to protect new mechanical parts against abrasion and erosion or rebuild worn parts. The plasma transferred arc process is a commonly used process to deposit such coatings. It makes it possible to bring about a metal bath inside which melted powders are introduced to form an alloyed coating between the feedstock material and substrate material with metallurgical adhesion. The main parameters of the process are the arc current intensity, plasma and shrouding gas flow rates, distance between the cathode tip and piece, velocity of plasma torch displacement; they all have a notable effect on the produced coating. This study investigates the plasma behavior and properties of the clad by using a design of experiments. The properties of the coating are the dilution level, porosity, and efficiency of material deposition, heat flux transferred to a water-cooled calorimeter, and the hardness in the clad and the substrate to estimate the thermally affected area.

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von Niessen, Konstantin, and Malko Gindrat. "Vapor Phase Deposition Using a Plasma Spray Process." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22640.

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Plasma spray - physical vapor deposition (PS-PVD) is a low pressure plasma spray technology recently developed by Sulzer Metco AG (Switzerland) to deposit coatings out of the vapor phase. PS-PVD is developed on the basis of the well established low pressure plasma spraying (LPPS) technology. In comparison to conventional vacuum plasma spraying (VPS) and low pressure plasma spraying (LPPS), these new process use a high energy plasma gun operated at a work pressure below 2 mbar. This leads to unconventional plasma jet characteristics which can be used to obtain specific and unique coatings. An important new feature of PS-PVD is the possibility to deposit a coating not only by melting the feed stock material which builds up a layer from liquid splats but also by vaporizing the injected material. Therefore, the PS-PVD process fills the gap between the conventional physical vapor deposition (PVD) technologies and standard thermal spray processes. The possibility to vaporize feedstock material and to produce layers out of the vapor phase results in new and unique coating microstructures. The properties of such coatings are superior to those of thermal spray and electron beam - physical vapor deposition (EB-PVD) coatings. In contrast to EB-PVD, PS-PVD incorporates the vaporized coating material into a supersonic plasma plume. Due to the forced gas stream of the plasma jet, complex shaped parts like multi-airfoil turbine vanes can be coated with columnar thermal barrier coatings using PS-PVD. Even shadowed areas and areas which are not in the line of sight to the coating source can be coated homogeneously. This paper reports on the progress made by Sulzer Metco to develop a thermal spray process to produce coatings out of the vapor phase. Columnar thermal barrier coatings made of Yttria stabilized Zircona (YSZ) are optimized to serve in a turbine engine. This includes coating properties like strain tolerance and erosion resistance but also the coverage of multiple air foils.

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Mashayek, F., B. Rovagnati, and M. Davoudabadi. "Low-Pressure Plasma Process for Nanoparticle Coating." In IEEE Conference Record - Abstracts. 2005 IEEE International Conference on Plasma Science. IEEE, 2005. http://dx.doi.org/10.1109/plasma.2005.359508.

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Jakimov, A., M. Hertter, H. Abdullahi, and S. Staudacher. "Plasma Spray Process Control with Neural Network." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p0673.

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Abstract In current aircraft engines challenging coatings or coating systems with different functions are used. Many of these coatings are applied to different components with thermal spray processes. Thermal spraying is a very sensitive and very complex process, which is influenced by numerous controllable variables like the powder feed rate, the gas flow rates, etc. as well as not controllable variables like the torch wear, varying powder properties, etc. With conventional process control based on linear algorithms it is not possible to enduringly create constant coating properties, because they cannot describe the complexity of all influencing variables. In this work, the possibility of a closed loop was investigated exemplarily for an atmospheric plasma spray process (APS). During serial production a data base was collected, consisting information about torch and plume conditions as well as powder and coating properties. This data base was used to train different neural networks (NN). With regard to the automation of the APS, the NN obtained target values of relevant coating properties and should calculate the needed control variables. The result of this work shows the difficulties in the quantification of relevant influencing variables and the feasibility of the plasma spray process control with neural network.

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Barbezat, G., S. Keller, and G. Wuest. "Internal Plasma Spray Process for Cylinder Bores in Automotive Industry." In ITSC 1997, edited by C. C. Berndt. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.itsc1997p0011.

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Abstract In the Automotive Industry the need for lower manufacturing costs, the use of less strategic material, and easier, faster, and more flexible routes for manufacturing are being looked for continuously. The environmental concerns relating to the use of galvanic coatings is growing. This has led to the examination of the plasma-powder spray process for the application of coatings for surface modification. In the area of engine cylinder bore coatings a major advance is taking place in the use of a rotating plasma spray device. This paper covers the use of a plasma-powder spray process for the coating of aluminum-silicon cylinder block bores using a rotating plasma gun capable of producing coatings of reliable microstructure and integrity. Properties and microstructures of the applied coatings will be presented. Test results will be shown that the necessary bond strength of the coating can be achieved without the use of a bond coat. Surface preparation prior to coating and surface finishing methods after coating will also be discussed. Experience in Europe, Japan and the Unites States will be discussed which show that the plasma-powder spray process offers a performance proven and cost effective solution for the coating of cylinder bores, thus demonstrating the future application potential for this technology.

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Reports on the topic "Plasma coating process"

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Alizadeh, Philipp, Kevin Oberle, and Rainer Dahlmann. Process transfer of PECVD gas barrier coatings between PE-HD and PP hollow bodies. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.nn.2.

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This study investigates the plasma enhanced chemical vapor deposition (PECVD) coating process transfer between PE and PP substrates. An inverse relationship is observed between the barrier improvement factor (BIF) and applied energy density (E), with PE showing a stronger response. The same process gas ratio optimizes both materials, suggesting geometry influences the barrier effect more than material. However, the barrier on PP is limited, indicating poorer compatibility to functionalization. The development of the intermediate layer did not improve the barrier performance. FESEM analyses and scratch tests suggest material damage during coating application. Further research is needed to optimize the coating process.

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Burak, Leonid Ch, and Nataliya L. Ovsyannikova. Modern methods of strawberry fruit (Fragaria × ananassa Duch.) post-harvest treatment (review). Contemporary horticulture, 2024. https://doi.org/10.12731/2312-6701-265352.

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The shelf life of garden strawberry fruits when stored under recommended conditions is about a week. Due to microbiological spoilage and seasonal availability of fruits, the issues of their long-term storage are relevant. Various methods of post-harvest treatment have been used to prevent microbial contamination and extend the shelf life of garden strawberries. The purpose of this study is to review modern post-harvest methods of garden strawberry fruits treatment to reduce microbiological spoilage and extend the shelf life of berries. A review of scientific publications and electronic resources for the period from 2012 to 2024 was conducted. The search for relevant literature was carried out by keywords through scientific databases such as Scopus, Web of Science and RSCI, as well as using the Google Scholar system. The study included papers published in English and Russian. Traditionally, thermal, plasma, radiation, chemical and biological treatments are used to preserve fruits after harvesting and extend their shelf life. In recent decades, modern environmentally friendly technologies have been developed, including modified and controlled atmosphere packaging, packaging based on active biopolymers or edible coatings. These methods can significantly increase the shelf life of fruits, as well as ensure the preservation of the quality and safety of raw plant materials. The first part of this review examines the metabolic and biochemical processes that underlie the ripening process of garden strawberries and provides an analysis of the factors causing spoilage of garden strawberries. This review may be of interest to the scientific community, as well as to specialists in the agro-industrial complex involved in the harvest and sale of fruits and berries.

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Burak, Leonid Ch, and Nataliya L. Ovsyannikova. Modern methods of storage and packaging of garden strawberries (Fragaria × ananassa Duch.) (review). Contemporary horticulture, 2024. https://doi.org/10.12731/2312-6701-266171.

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Postharvest treatment of garden strawberries and the development of effective storage methods are crucial to increase the shelf life and preserve its quality until consumption. Although some reviews on certain treatment technologies have been published, we have not found studies that considered and compared common and advanced methods of storing garden strawberries. Therefore, the goal of this study is to review modern postharvest methods of strawberry storage (Fragaria × ananassa Duch). The review includes reports published in English and Russian in 2014—2024. PubMed, Scopus, Web of Science, Elibrary and Google Scholar databases were used to search by keywords. 50 scientific publications have been studied. In the first part of our study, the metabolic and biochemistry processes that underlie the ripening process of strawberries are considered, the factors that cause spoilage of strawberry berries are analyzed, and modern methods of strawberry treatment are presented. The preservation of garden strawberries using radiation, light or heat treatment can prevent the development of microorganisms and increase the resistance of berries to diseases. However, these methods can have a negative impact on the nutritional value, color and taste of berries over time. Cold storage is the most commonly used method of storing garden strawberries after harvest throughout the supply chain. In addition to cold storage, post-harvest treatment methods, including thermal, cold plasma and chemical treatments, have been carefully studied and individually applied to further increase of the strawberry shelf life. These treatments help to prevent fungal infection, activate the metabolic protection system and improve the structural integrity of strawberry berries, thereby maintaining their quality over time, especially during cold storage. In addition to treatment methods, storage in a modified atmosphere, the application of active packaging and functional coatings have been recognized as effective ways to preserve the quality of berries and effectively prevent spoilage after harvest. In addition, the combined use of two or more of these methods has proven to be the most effective for improving the shelf life of garden strawberries. The analysis of the antifungal effectiveness of modern storage methods, study of the synergy between different methods and the development of solutions based on biopolymers represent a key path for future research.

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