Academic literature on the topic 'Coating processes'

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Journal articles on the topic "Coating processes"

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Freller, H. "Vapour-phase coating processes for hard coatings." Vacuum 45, no. 10-11 (October 1994): 997–1000. http://dx.doi.org/10.1016/0042-207x(94)90003-5.

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Wielage, Bernhard, Thomas Lampke, and Thomas Grund. "Thermal Spraying of Wear and Corrosion Resistant Surfaces." Key Engineering Materials 384 (June 2008): 75–98. http://dx.doi.org/10.4028/www.scientific.net/kem.384.75.

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Thermal spraying is one of the most variable and diverse surface coating techniques concerning materials to be processed as well as possible geometries to be coated. The group of thermal spray processes covers a large parameter field to combine nearly each coating with each base material. Thermally sprayed coatings can be applied very evenly and therefore allow to be applied on final-shaped components. Otherwise, if further treatment or finishing is necessary, thermal spray coatings can be processed by grinding or even milling. Masking during the coating process permits the selective coating of specific surface parts or the application of required geometrically structures, e. q. conductor structures. The main application field of thermal spray coatings is the (combined) wear and corrosion protection of selected component parts.
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Bobzin, Kirsten, Wolfgang Wietheger, and Martin Andreas Knoch. "Development of Thermal Spray Processes for Depositing Coatings on Thermoplastics." Journal of Thermal Spray Technology 30, no. 1-2 (January 2021): 157–67. http://dx.doi.org/10.1007/s11666-020-01147-x.

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AbstractThermoplastics combine high freedom of design with economical mass production. Metallic coatings on thermoplastics enable power and signal transmission, shield sensitive parts inside of housings and can reduce the temperature in critical areas by functioning as a heat sink. The most used technical thermoplastics are polyamides (PA), while the described use cases are often realized using Cu. Consequently, several studies tried to apply copper coatings on PA substrates via thermal spraying; so far, this combination is only feasible using an interlayer. In this study, a new approach to metallize thermoplastics via thermal spraying based on validated state-of-the-art predictions of the thermoplastics’ material response at relevant temperatures and strain rates is presented. Using these predictions, high velocity wire-arc spraying was selected as coating process. Furthermore, the process parameters were adapted to realize a continuous coating while also roughening the substrate during coating deposition. The resulting Cu coating on PA6 had a sufficiently high coating adhesion for post-treatment by grinding. The adhesion is achieved by in situ roughening during the coating application. The results indicate that different process parameters for initial layer deposition and further coating buildup are required due to the low thermal stability of PA6.
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Bungert, Nicholas, Mirjam Kobler, and Regina Scherließ. "In-Depth Comparison of Dry Particle Coating Processes Used in DPI Particle Engineering." Pharmaceutics 13, no. 4 (April 19, 2021): 580. http://dx.doi.org/10.3390/pharmaceutics13040580.

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High-shear mixer coatings as well as mechanofusion processes are used in the particle-engineering of dry powder inhalation carrier systems. The aim of coating the carrier particle is usually to decrease carrier–drug adhesion. This study comprises the in-depth comparison of two established dry particle coating options. Both processes were conducted with and without a model additive (magnesium stearate). In doing so, changes in the behaviour of the processed particles can be traced back to either the process or the additive. It can be stated that the coarse model carrier showed no significant changes when processed without additives. By coating the particles with magnesium stearate, the surface energy decreased significantly. This leads to a significant enhancement of the aerodynamic performance of the respective carrier-based blends. Comparing the engineered carriers with each other, the high-shear mixer coating shows significant benefits, namely, lower drug–carrier adhesion and the higher efficiency of the coating process.
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Barimani, Shirin, and Peter Kleinebudde. "Monitoring of tablet coating processes with colored coatings." Talanta 178 (February 2018): 686–97. http://dx.doi.org/10.1016/j.talanta.2017.10.008.

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Fox-Rabinovitch, Guerman, Goulnara Dosbaeva, Anatoly Kovalev, Iosif Gershman, Kenji Yamamoto, Edinei Locks, Jose Paiva, Egor Konovalov, and Stephen Veldhuis. "Enhancement of Multi-Scale Self-Organization Processes during Inconel DA 718 Machining through the Optimization of TiAlCrSiN/TiAlCrN Bi-Nano-Multilayer Coating Characteristics." Materials 15, no. 4 (February 11, 2022): 1329. http://dx.doi.org/10.3390/ma15041329.

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Optimization of the composition of a new generation of bi-nano-multilayered TiAlCrSiN/TiAlCrN-based coatings is outlined in this study for the machining of direct aged (DA) Inconel 718 alloy. Three types of TiAlCrSiN/TiAlCrN-based bi-nano-multi-layer coatings with varying chemical compositions were investigated: (1) a previous state-of-the-art Ti0.2Al0.55Cr0.2Si0.03Y0.02N/Ti0.25Al0.65Cr0.1N (coating A); (2) Ti0.2Al0.52Cr0.2Si0.08N/Ti0.25Al0.65Cr0.1N with increased amount of Si (up to 8 at.%; coating B); (3) a new Ti0.18Al0.55Cr0.17Si0.05Y0.05N/Ti0.25Al0.65Cr0.1N coating (coating C) with an increased amount of both Si and Y (up to 5 at.% each). The structure of each coating was evaluated by XRD analysis. Micro-mechanical characteristics were investigated using a MicroMaterials NanoTest system and an Anton Paar-RST3 tester. The wear performance of nano-multilayered TiAlCrSiN/TiAlCrN-based coatings was evaluated during the finish turning of direct aged (DA) Inconel 718 alloy. The wear patterns were assessed using optical microscopy imaging. The tribological performance was evaluated through (a) a detailed chip characteristic study and (b) XPS studies of the worn surface of the coated cutting tool. The difference in tribological performance was found to correspond with the type and amount of tribo-films formed on the friction surface under operation. Simultaneous formation of various thermal barrier tribo-films, such as sapphire, mullite, and garnet, was observed. The overall amount of beneficial tribo-films was found to be greater in the new Ti0.18Al0.55Cr0.17Si 0.05Y0.05N/Ti0.25Al0.65Cr0.1N nano-bi-multilayer coating (coating C) than in the previous state-of-the-art coatings (A and B). This resulted in over two-fold improvement of this coating’s tool life compared with those of the commercial benchmark AlTiN coating and coating B, as well as a 40% improvement of the tool life of the previous state-of-the-art coating A. Multi-scale self-organization processes were observed: nano-scale tribo-film formation on the cutting tool surface combined with micro-scale generation of strain-induced martensite zones as a result of intensive metal flow during chip formation. Both of these processes are strongly enhanced in the newly developed coating C.
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Kim, Seongyong, Jongsu Lee, Minho Jo, and Changwoo Lee. "Numerical Modeling of Ink Widening and Coating Gap in Roll-to-Roll Slot-Die Coating of Solid Oxide Fuel Cell Electrolytic Layer." Polymers 12, no. 12 (December 7, 2020): 2927. http://dx.doi.org/10.3390/polym12122927.

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Slot-die coatings are advantageous when used for coating large-area flexible devices; in particular, the coating width can be controlled and simultaneous multi-layer coatings can be processed. To date, the effects of ink widening and the coating gap on the coating thickness have only been considered in a few studies. To this end, we developed two mathematical models to accurately estimate the coating width and thickness that consider these two effects. We used root mean square deviation (RMSD) to experimentally verify the developed method. When the coating gap was increased, the coating width increased and the coating thickness decreased. Experimental results showed that the estimated performances of the coating width and thickness models were as high as 98.46% and 95.8%, respectively. We think that the developed models can be useful for determining the coating conditions according to the ink properties to coat a functional layer with user-defined widths and thicknesses in both lab- and industrial-scale roll-to-roll slot-die coating processes.
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Cao, Peng, Brian Gabbitas, Asma Salman, De Liang Zhang, and Z. H. Han. "Consolidation of TiAl Powder by Thermal Spray Processes." Advanced Materials Research 29-30 (November 2007): 159–62. http://dx.doi.org/10.4028/www.scientific.net/amr.29-30.159.

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Thermal spray deposition has been widely used as a coating process for applying thin protective layers to the need-to-protect materials, or substrates. Recent technological developments in thermal spray processing, particularly cold gas spraying (CGS) and supersonic plasma spraying (S-PS), have enabled some emerging applications for making structural components. This paper reports on the results of our recent attempts to obtain thick TiAl coatings using three coating techniques: atmospheric plasma spraying (APS), S-PS and CGS. We successfully achieved a 3 mm thick coating using both APS and S-PS techniques, but failed in cold spray. A significant phase change was observed of the powder particles experienced during both APS and S-PS processes. Nevertheless, a considerable quantity of titanium oxides was observed in the APS coating.
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Xie, De Juan, Zong De Liu, Wei Qiang Hu, and Yong Tian Wang. "An Experimental Study on the Properties of Fe-Based Amorphous Composite Coatings Prepared by Different Processes." Advanced Materials Research 239-242 (May 2011): 2137–41. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.2137.

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Fe-based amorphous composite coatings were deposited on the surface of ASTM-1020 steel plate by different technologies: arc spraying, laser remelting, TIG remelting (with and without water cooling). The microstructure, phase structure and micro-hardness were characterized by using a combination of SEM, XRD and Vickers hardness tester. It shows that the coating prepared by arc spraying presents typical lamellar structure and poor adherence to the substrate. After the remelting treatment, the coating quality is significantly improved by decreasing structure defects such as cracks and pores; the interface shows the metallurgical bonding. The dendritic crystals could be obtained within all the remelted coatings with different appearances. The microstructures of TIG remelted coatings show much more regular and have obvious orientation, which cannot be seen in laser remelted coating. However, the average grain size of the laser remelted coating is much smaller than that of TIG remelted coatings. The micro-hardness values of all of the deposited coatings are much higher than that of the substrate, and the coating prepared by laser remelting shows the highest hardness.
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Goeke, Sebastian, Tobias Brüggemann, and Dirk Biermann. "Development of Machining Processes for the Use of Multilayer High-Performance Coatings." ISRN Tribology 2013 (December 30, 2013): 1–6. http://dx.doi.org/10.5402/2013/750251.

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The development of corrosion- and wear-resistant high-performance coatings is important to improve components of mobile and stationary turbines, aerospace undercarriages, combustion engines, and hydraulic modules. New micro- and nanostructured coating materials and processes to machine these coatings are developed in order to increase the performance of workpieces and components, to enhance durability, and to reduce maintenance and manufacturing costs. At the Institute of Machining Technology (ISF), milling and grinding procedures have been developed for the preparation of the workpiece surface for the subsequent coating process. In contrast to conventional applications, the workpieces are not manufactured with the aim of achieving a minimized resulting surface roughness. Instead of this, a defined and adequate structure has to be generated, providing a good adhesion of the thermal sprayed coating on the workpiece surface. After first coating of the prepared substrates by a High-Velocity-Oxygen-Fuel (HVOF) coating process, the resulting surface topography does not have the required surface quality for a subsequent (Diamond Like Carbon) DLC coating process. In order to generate a more uniform surface structure, the deteriorated surface resulting from the HVOF coating process also has to be processed. Therefore, the application of an adapted grinding process with diamond wheels is used.
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Dissertations / Theses on the topic "Coating processes"

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Eckermann, Jurgen. "Optimising high speed coating processes." Thesis, Swansea University, 2012. https://cronfa.swan.ac.uk/Record/cronfa42471.

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The coil coating process of strip steel is a continuous and highly automated process in which the aim is to apply a paint layer of uniform thickness onto metal sheet at high operational speed. However, the performance of the coil coating process has been limited due to the occurrence of coating defects, such as ribbing and fat edges, which leads ultimately to a reduction in the operational speed of coating. Therefore, in order to enhance coating productivity, the complex flow behaviour of commercial paints needs to be fully understood. Consequently, the main objective of this work was to obtain rheological parameters for the commercial paints using rotational Rheometers, Capillary Break-up Rheometer and Capillary Extrusion Rheometer to allow the characterisation of the complex flow behaviour. This research project was tailored over its course to generate a solid knowledge foundation of the rheological properties of polyester resin based paints prior to the defining of different experimental procedures so as to guarantee the reproducibility of the data measured with various Rheometers. Once these rheological characteristics were fully understood for one paint, the project was moved forward by selecting other commercially available paints which were similarly analysed to allow a comparison of the various rheological behaviours. One key finding was that the commercial paints behaved in either a Newtonian or a Non Newtonian fashion. The Non Newtonian paints possessed a high internal microstructure which was reflected in the degree of elasticity exhibited, whereas the Newtonian paint did not seem to exhibit any elasticity. Furthermore, a mutual, ideal operability window for the Capillary Break up Rheometer could be derived from data which was systematically collected by varying the input parameters including opening time, stretch profile and Hencky strain. Capillary Extrusion Rheometer provided extensional and shear information at very high strain rates. At the end, a steady state flow curve for both shear and extensional viscosity could be determined for a strain rate range of 10-1 to 5 x 104, which is unique for the polyester resin based paints analysed in this work.
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Chen, Desong. "Modelling and control of zinc coating." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314906.

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Carter, G. C. "The modelling and analysis of coating processes." Thesis, University of Leeds, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355375.

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Rowe, Charles William. "Bulk coating processes with sodium silicate slurries." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10604.

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Popescu, Catalin Nicolae. "Modeling and control of extrusion coating." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/13700.

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Pandey, Preetanshu. "Studies to investigate variables affecting coating uniformity in a pan coating device." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4469.

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Thesis (Ph. D.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains xiv, 122 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 107-116).
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Ehiasarian, Arutiun Papken. "Development of PVD coating processes informed by plasma diagnostics." Thesis, Sheffield Hallam University, 2002. http://shura.shu.ac.uk/19603/.

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Physical vapour deposition technologies have been on the fast track of development for the last two decades due to their ability to meet demands for special materials and performance tools. The ever increasing complexity of the required coating microstructure and chemical composition 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 the project investigated vacuum arc plasma discharges used in the Hauzer HTC1000/ABS industrially sized coater. The attention was concentrated to the plasma pretreatment by low energy (1200 - 3600 eV) Cr ion implantation into substrates, which contributed to an enhanced adhesion of subsequently deposited TiAIN coatings. Optical emission spectroscopy (OES), electrostatic probes, and time-of-flight (TOF) spectroscopy were used to study the interactions of the arc plasma with the gas atmosphere in the chamber. It was shown that increasing the pressure of Ar gas had a strong effect on the composition of the generated metal ion flux as the density of highly charged metal species reduced significantly to the benefit of gas ionisation. The mechanisms behind these observations are discussed and supported by further experiments. Based on the plasma diagnostic results, a novel two-stage pretreatment method was developed which allowed an enhanced adhesion due to faster sputter cleaning of the substrate surface and more efficient metal ion incorporation in the substrate material. In the final stages of the project a novel high power pulsed magnetron sputtering (HIPIMS) process utilising peak power densities of 3000 Wcm[-2] was investigated. OES studies showed the first evidence of doubly charged Cr and Ti ions generated by the HIPIMS discharge. Peak plasma densities of 10[13] cm[-3] were measured and, in the case of Cr, metal ions were found to constitute 30% of the total deposition flux to substrates. The influence of power on the plasma density, plasma composition and time evolution of the plasma was studied in detail using OES and electrostatic probes. The conditions for glow-to-arc transition were investigated. CrN coatings (thickness 2 mum) were deposited for the first time using HIPIMS of Cr in a nitrogen atmosphere. The microstructure observed in transmission electron microscopy cross sections was highly dense and droplet free and contributed to an excellent corrosion and wear resistance superior to 20 mum thick electroplated hard Cr, and CrN coatings deposited by arc and unbalanced magnetron sputtering. The HIPIMS discharge was used also for pretreatment of substrates with metal ions analogous to the one performed previously with arc discharge. High adhesion was achieved as indicated by the scratch test critical load value Lc = 85 N.Finally, at an intermediate stage of the PhD project, an alternative source providing metal ionisation was studied. It was based on a radio frequency (RF) powered coil that was inductively coupled to a magnetron sputtering discharge. Energy resolved mass spectroscopy and OES in a laboratory-sized version of the plasma source revealed elevated metal ion densities and high ion energies of the order of 60 eV. This source was upscaled, installed, and tested successfully in the industrially sized Hauzer coater. The ion-to-neutral ratio at the substrate position could be increased 5-fold for a similar increase in RF power.
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Mathers, Philip. "The effect of acoustic standing waves on vacuum coating technology." Thesis, Cranfield University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263535.

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Sudsakorn, Kandis. "The effect of particle size on the amount of coating received during a batch fluidized bed coating operation." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=612.

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Thesis (M.S.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains x, 98 p. : ill. (some col.) Includes abstract. Includes bibliographical references (p. 63-68).
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Pallay, Krista Joy. "Surface Modifications to Mitigate Refractory Degradation in High-Temperature Black Liquor Gasifiers." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/10488.

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Ceria (CeO2), chromia (Cr2O3), yttria-stabilized zirconia (Y2O3-ZrO2), and sodium cerium oxide (Na2CeO3) were used as barrier coatings on Ufala, an alumina-based ceramic refractory, to determine if they were effective at increasing the life of the refractory in a high-temperature black liquor gasification environment. The ceria, chromia, and yttria-stabilized zirconia coatings were applied at atmospheric pressure using a coating applicator at the Institute of Paper Science and Technology at the Georgia Institute of Technology. The sodium cerium oxide coatings in addition to the three other coating types were applied under atmospheric pressure at C3 International Technologies in Alpharetta, GA. The coated refractory, as well as a set of uncoated refractory used for baseline analysis, were tested using molten synthetic smelt at 1000C for 36 hours. Uncoated refractory samples were also tested for 12, 72, 120, and 168 hours in order to make a kinetic reaction rate determination. The refractory were analyzed using gravimetric and dimensional analysis, X-ray diffraction, scanning electron microscopy, and energy dispersive X-ray spectroscopy to determine the severity of the physical changes that occurred after exposure to molten smelt. The data gathered from these experiments were not able to conclude that barrier coatings are sufficient to impede corrosion of the Ufala refractory material in molten smelt.
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Books on the topic "Coating processes"

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H, Lindsay James, and ASM International, eds. Coatings and coating processes for metals. Materials Park, OH: ASM International, 1998.

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H, Stern K., ed. Metallurgical and ceramic protective coatings. London: Chapman & Hall, 1996.

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Braun, Juergen H. White pigments. Blue Bell, PA: Federation of Societies for Coatings Technology, 1995.

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Alastair, Marrion, and Royal Society of Chemistry (Great Britain), eds. The Chemistry and physics of coatings. Cambridge: Royal Society of Chemistry, 1994.

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H, Stern K., ed. Metallurgical and ceramic protective coatings. London: Chapman & Hall, 1996.

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Jane, Blunt, and Grainger Stan, eds. Engineering coatings: Design and application. 2nd ed. Norwich, NY: William Andrew Publishing, 1998.

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sektion, Nationalmuseet (Denmark) Nordisk Konservatorforbund Danske. Surface treatments: Cleaning, stabilization and coatings : preprints to the IIC Nordic Group, Danish Section XIII Congress, Copenhagen 7-11 Sept. 1994. Lyngby: Nordisk Konservatorforbund, Danske Sektion, Nationalmuseet, 1994.

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Mattox, D. M., and Vivienne Harwood Mattox. 50 years of vacuum coating technology and the growth of the Society of Vacuum Coaters. Albuquerque, N.M: Society of Vacuum Coaters, 2007.

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V, Zaretsky Reva, and Materials Information (Information service), eds. Protective coating processes, 1990-91. [Materials Park, Ohio]: Materials Information, 1992.

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1961-, Zarras Peter, American Chemical Society. Division of Polymer Chemistry, and American Chemical Society. Division of Polymeric Materials: Science and Engineering, eds. New developments in coatings technology. Washington, DC: American Chemical Society, 2006.

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Book chapters on the topic "Coating processes"

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Algadah, K., and A. Alaboodi. "Surface Coating." In Innovative Development in Micromanufacturing Processes, 169–87. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003364948-8.

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Schunk, P. Randall, Alan J. Hurd, and C. Jeffrey Brinker. "Free-Meniscus Coating Processes." In Liquid Film Coating, 673–708. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5342-3_19.

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Schunk, P. Randall, and L. E. Scriven. "Surfactant Effects in Coating Processes." In Liquid Film Coating, 495–536. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5342-3_14.

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Foederer, Beth M., and Andrew W. Christie. "Extrusion Coating Troubleshooting." In Handbook of Troubleshooting Plastics Processes, 299–314. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118511183.ch14.

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Kursawe, M., V. Hilarius, G. Pfaff, and R. Anselmann. "Sol-gel Coating Processes." In Modern Surface Technology, 205–20. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527608818.ch14.

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Bobzin, Kirsten, Mehmet Öte, Thomas Frederik Linke, and Ilkin Alkhasli. "Thick Coating Formation Processes." In Handbook of Software Solutions for ICME, 135–55. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527693566.ch2-6.

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Pinkerton, H. L., John A. Thornton, and Ian McDonald. "Nonelectrolytic Metal Coating Processes." In Electroplating Engineering Handbook, 420–60. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-2547-5_14.

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Vinchhi, Preksha, and Mayur M. Patel. "Optimization of Tablet Coating." In Optimization of Pharmaceutical Processes, 103–33. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90924-6_5.

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Schweizer, Peter M. "Control and Optimization of Coating Processes." In Liquid Film Coating, 735–68. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5342-3_21.

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Mattox, Donald M. "Deposition Processes." In The Foundations of Vacuum Coating Technology, 11–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-10329-6_7.

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Conference papers on the topic "Coating processes"

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Schulz, Ulrike, Peter Munzert, and Norbert Kaiser. "Thermoplastics in plasma-assisted coating processes." In Optical Interference Coatings. Washington, D.C.: OSA, 2001. http://dx.doi.org/10.1364/oic.2001.mf3.

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Serres, N., S. Costil, C. Langlade, and C. Coddet. "Life Cycle Assessment of Thick Coating Processes." In ITSC2011, edited by B. R. Marple, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and A. McDonald. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p1424.

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Abstract In this work, a LCA based on Eco-indicator 99 methodology was used to compare the environmental impacts and benefits of thermal spraying (including APS, HVOF, Flame and Cold Spray) carried out with materials which could be used in application to resist against wear and/or corrosion. The comparison was carried out using the SimaPro 7.2 software, and it was focused on all stages necessary to build the coating, i.e. extraction of raw materials, production of powder, transport, surface preparation, thermal spray operating, until the end of life, as well as emissions (solid, liquid and gaseous) at each stage of a process. As a major result, it appears that the lifetime of the coatings plays a high role. If a coating needs to be regularly replaced or if failure of the coating decreases the lifetime of the component, this almost impact on the LCA. Moreover, there is an influence on the nature of the resources used to build the coating, as well as on the end of life strategies.
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Aitchison, Kenneth. "Nonconventional Coating Processes—Sol-gel and CUP." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.tud2.

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Friis, M., and C. Persson. "Process Window for Plasma Spray Processes." In ITSC2001, edited by Christopher C. Berndt, Khiam A. Khor, and Erich F. Lugscheider. ASM International, 2001. http://dx.doi.org/10.31399/asm.cp.itsc2001p1313.

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Abstract A method for creation of a process window for on-line monitoring and controlling of the particle velocity and temperature during plasma spraying in order to enable desired coating microstructure is presented. The desired coating is specified by determination of the ranges within which the different microstructure features and the powder deposition efficiency are allowed to vary. Multiple linear regression models, relating the particle velocity and particle temperature to the coating criterions is utilized to successively delimit the particle velocity and temperature ranges. This results in a process window, giving the limits within which the particle velocity and temperature are allowed to vary in order for the desired coating to be produced.
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Mutasim, Zaher, and William Brentnall. "Characterization and Performance Evaluation of Pack Cementation and Chemical Vapor Deposition Platinum Aluminide Coatings." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-436.

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Metallurgical evaluation of platinum aluminide coatings applied to industrial gas turbine components, for oxidation and high temperature hot corrosion protection, were conducted. Coatings were processed by electroplating a thin layer of platinum followed by aluminizing using either the pack cementation or the chemical vapor deposition (CVD) processes. Laboratory and field data on the performance of these coatings are presented. Results from these tests showed that both aluminizing processes produced coatings that provided adequate environmental protection. However, the CVD coating experienced less coating growth during engine service and was therefore determined to be thermally more stable than the pack cementation coating in this application.
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Wei, Guanghua, and Hui Zhang. "DROPLET DYNAMICS IN THERMAL SPRAYING COATING PROCESSES." In 9th AIAA/ASME Joint Thermophysics and Heat Transfer Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-3084.

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Li, Mingqi, Bhooshan Popere, Peter Trefonas, Andrew Heitsch, Ratchana Limary, Reika Katsumata, Yuanyi Zhang, and Rachel A. Segalman. "Ultra-thin conformal coating for spin-on doping applications." In Advances in Patterning Materials and Processes XXXVI, edited by Roel Gronheid and Daniel P. Sanders. SPIE, 2019. http://dx.doi.org/10.1117/12.2514830.

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8

Wei, Guanghua, Hongbing Xiong, Lili Zheng, and Hui Zhang. "An Advanced Ceramic Coating Buildup Model for Thermal Spray Processes." In ITSC2004, edited by Basil R. Marple and Christian Moreau. ASM International, 2004. http://dx.doi.org/10.31399/asm.cp.itsc2004p0707.

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Abstract 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. In this paper, the process of particle in-flight, coating growth and pore formation has been analyzed by numerical simulation. Three sub-models, plasma-particle, splat formation and coating buildup, have been developed. A comprehensive three-dimensional computational code (LAVA3D-P) is used to predict the plasma flame formation, flame-particle interaction, and particle state and trajectory. Assuming each splat is disk-like shape and the flattening ratio, a ratio between the splat diameter and droplet diameter, can be calculated based on the interplay among particle kinetic energy, dissipation energy and solidification. A set of rules of coating buildup are proposed to predict the coating deposition and pore formation, considering the influences of particle size, velocity, temperature and location related to the substrate. Using this model we can obtain the porosity, surface roughness and thickness of the coating considering splat adhesion and quenching stresses. Although the current model has server restrictions which attributes to many assumptions, it however, forms a foundation for further improvement of an advanced ceramic coating buildup model.
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Wu, Aiwen, Hareen Bayana, Philippe Foubert, Andrea M. Chacko, and Douglas Guererro. "Improving EUV underlayer coating defectivity using Point-Of-Use filtration." In Advances in Patterning Materials and Processes XXXVII, edited by Roel Gronheid and Daniel P. Sanders. SPIE, 2020. http://dx.doi.org/10.1117/12.2551647.

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Cutler, Charlotte, Daniel Greene, Popere Bhooshan, Chris Sullivan, JoAnne Leonard, Suzanne Coley, Sabrina Wong, et al. "The development of an SC1 removable si-anti-reflective-coating." In Advances in Patterning Materials and Processes XXXV, edited by Christoph K. Hohle and Roel Gronheid. SPIE, 2018. http://dx.doi.org/10.1117/12.2297687.

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Reports on the topic "Coating processes"

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Roman, W. C. Investigation of PACVD protective coating processes using advanced diagnostics techniques. Office of Scientific and Technical Information (OSTI), May 1993. http://dx.doi.org/10.2172/6516415.

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2

Roman, W. C. Investigation of PACVD protective coating processes using advanced diagnostics techniques. Performance report, 1 September 1992--30 April 1993. Office of Scientific and Technical Information (OSTI), May 1993. http://dx.doi.org/10.2172/10155222.

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3

Orazem and Carson. L51735 Time-Dependent Polarization Behavior as a Function of Soil Type. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 1995. http://dx.doi.org/10.55274/r0010421.

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Cathodic protection requirements for buried structures have traditionally been predicted by use of anode resistance equations which take into account the influence of anode geometry on the current distribution at the anode and the influence of soil resistivity on the driving force required to pass current to the structure to be protected. The conventional anode resistance formulas used for CP design were developed for bare pipes protected by remote anodes. Under these conditions, the current density at the anode is so much larger than that on the pipe that the current and potential distribution around the pipe can be ignored in resistance calculations. The current and potential distribution on the pipeline must, however, be considered for coated pipes with coating holidays or when anodes are placed in close proximity to the pipe. The objectives of this work were: 1. to develop and apply new experimental techniques for identifying the time-dependent polarization behavior of pipeline grade steel as a function of the ionic composition of typical soil leachate and to develop and apply methods to interpret the results in terms of fundamental physical processes; 2. to measure the time-dependent polarization of FBE-coated coupons with and without machined coating holidays that expose bare steel; and 3. to establish an approach for predicting the polarization behavior of coated coupons with coating holidays that expose bare steel. by comparing the predictions for the polarization of coupons with holidays with experimental values.
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Husson, Scott M., Viatcheslav Freger, and Moshe Herzberg. Antimicrobial and fouling-resistant membranes for treatment of agricultural and municipal wastewater. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7598151.bard.

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This research project introduced a novel membrane coating strategy to combat biofouling, which is a major problem for the membrane-based treatment of agricultural and municipal wastewaters. The novelty of the strategy is that the membrane coatings have the unique ability to switch reversibly between passive (antifouling) and active (antimicrobial) fouling control mechanisms. This dual-mode approach differs fundamentally from other coating strategies that rely solely on one mode of fouling control. The research project had two complementary objectives: (1) preparation, characterization, and testing of dual-mode polymer nanolayers on planar surfaces and (2) evaluation of these nanolayers as membrane modifiers. The first objective was designed to provide a fundamental understanding of how polymer nanolayer chemistry and structure affect bacterial deposition and to demonstrate the reversibility of chemical switching. The second objective, which focused on membrane development, characterization, and testing, was designed to demonstrate methods for the production of water treatment membranes that couple passive and active biofouling control mechanisms. Both objectives were attained through synergistic collaboration among the three research groups. Using planar silicon and glass surfaces, we demonstrated using infrared spectroscopy that this new polymer coating can switch reversibly between the anti-fouling, zwitterion mode and an anti-microbial, quaternary amine mode. We showed that switching could be done more than 50 times without loss of activity and that the kinetics for switching from a low fouling zwitterion surface to an antimicrobial quaternary amine surface is practical for use. While a low pH was required for switching in the original polymer, we illustrated that by slightly altering the chemistry, it is possible to adjust the pH at which the switching occurs. A method was developed for applying the new zwitterionic surface chemistry onto polyethersulfone (PES) ultrafiltration membranes. Bacteria deposition studies showed that the new chemistry performed better than other common anti-fouling chemistries. Biofilm studies showed that PESultrafiltration membranes coated with the new chemistry accumulated half the biomass volume as unmodified membranes. Biofilm studies also showed that PES membranes coated with the new chemistry in the anti-microbial mode attained higher biofilm mortality than PES membranes coated with a common, non-switchablezwitterionic polymer. Results from our research are expected to improve membrane performance for the purification of wastewaters prior to use in irrigation. Since reduction in flux due to biofouling is one of the largest costs associated with membrane processes in water treatment, using dual-mode nanolayer coatings that switch between passive and active control of biofouling and enable detachment of attached biofoulants would have significant economic and societal impacts. Specifically, this research program developed and tested advanced ultrafiltration membranes for the treatment of wastewaters. Such membranes could find use in membrane bioreactors treating municipal wastewater, a slightly upgraded version of what presently is used in Israel for irrigation. They also may find use for pretreatment of agricultural wastewaters, e.g., rendering facility wastewater, prior to reverse osmosis for desalination. The need to desalinate such impaired waters water for unlimited agricultural use is likely in the near future.
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Thompson. L52208 Coating and Backfill System Optimisation. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), May 2004. http://dx.doi.org/10.55274/r0010964.

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This project focuses specifically on the mechanical properties of a pipeline coating in relation to the need to use imported or site-processed bedding and padding materials to create the pipelines habitat. This project assesses whether mainline and field joint coatings, typically utilized for pipeline protection, possessed sufficient mechanical resistance to withstand backfilling, commissioning and service with bedding and padding materials that had undergone minimal processing. The project was carried out in two phases, the first involved a series of large-scale tests to assess the impact, penetration and abrasion resistance of three mainline and two field joint coatings. The second phase involved a series of small-scale laboratory tests to assess the same three mechanical properties. Includes a spreadhseet to help cost optimize backfilling pipelines.
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Poverenov, Elena, Tara McHugh, and Victor Rodov. Waste to Worth: Active antimicrobial and health-beneficial food coating from byproducts of mushroom industry. United States Department of Agriculture, January 2014. http://dx.doi.org/10.32747/2014.7600015.bard.

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Background. In this proposal we suggest developing a common solution for three seemingly unrelated acute problems: (1) improving sustainability of fast-growing mushroom industry producing worldwide millions of tons of underutilized leftovers; (2) alleviating the epidemic of vitamin D deficiency adversely affecting the public health in both countries and in other regions; (3) reducing spoilage of perishable fruit and vegetable products leading to food wastage. Based on our previous experience we propose utilizing appropriately processed mushroom byproducts as a source of two valuable bioactive materials: antimicrobial and wholesome polysaccharide chitosan and health-strengthening nutrient ergocalciferol⁽ᵛⁱᵗᵃᵐⁱⁿ ᴰ2⁾. ᴬᵈᵈⁱᵗⁱᵒⁿᵃˡ ᵇᵉⁿᵉᶠⁱᵗ ᵒᶠ ᵗʰᵉˢᵉ ᵐᵃᵗᵉʳⁱᵃˡˢ ⁱˢ ᵗʰᵉⁱʳ ᵒʳⁱᵍⁱⁿ ᶠʳᵒᵐ ⁿᵒⁿ⁻ᵃⁿⁱᵐᵃˡ ᶠᵒᵒᵈ⁻ᵍʳᵃᵈᵉ source. We proposed using chitosan and vitamin D as ingredients in active edible coatings on two model foods: highly perishable fresh-cut melon and less perishable health bars. Objectives and work program. The general aim of the project is improving storability, safety and health value of foods by developing and applying a novel active edible coating based on utilization of mushroom industry leftovers. The work plan includes the following tasks: (a) optimizing the UV-B treatment of mushroom leftover stalks to enrich them with vitamin D without compromising chitosan quality - Done; (b) developing effective extraction procedures to yield chitosan and vitamin D from the stalks - Done; (c) utilizing LbL approach to prepare fungal chitosan-based edible coatings with optimal properties - Done; (d) enrichment of the coating matrix with fungal vitamin D utilizing molecular encapsulation and nano-encapsulation approaches - Done, it was found that no encapsulation methods are needed to enrich chitosan matrix with vitamin D; (e) testing the performance of the coating for controlling spoilage of fresh cut melons - Done; (f) testing the performance of the coating for nutritional enhancement and quality preservation of heath bars - Done. Achievements. In this study numerous results were achieved. Mushroom waste, leftover stalks, was treated ʷⁱᵗʰ ᵁⱽ⁻ᴮ ˡⁱᵍʰᵗ ᵃⁿᵈ ᵗʳᵉᵃᵗᵐᵉⁿᵗ ⁱⁿᵈᵘᶜᵉˢ ᵃ ᵛᵉʳʸ ʰⁱᵍʰ ᵃᶜᶜᵘᵐᵘˡᵃᵗⁱᵒⁿ ᵒᶠ ᵛⁱᵗᵃᵐⁱⁿ ᴰ2, ᶠᵃʳ ᵉˣᶜᵉᵉᵈⁱⁿᵍ any other dietary vitamin D source. The straightforward vitamin D extraction procedure and ᵃ ˢⁱᵐᵖˡⁱᶠⁱᵉᵈ ᵃⁿᵃˡʸᵗⁱᶜᵃˡ ᵖʳᵒᵗᵒᶜᵒˡ ᶠᵒʳ ᵗⁱᵐᵉ⁻ᵉᶠᶠⁱᶜⁱᵉⁿᵗ ᵈᵉᵗᵉʳᵐⁱⁿᵃᵗⁱᵒⁿ ᵒᶠ ᵗʰᵉ ᵛⁱᵗᵃᵐⁱⁿ ᴰ2 ᶜᵒⁿᵗᵉⁿᵗ suitable for routine product quality control were developed. Concerning the fungal chitosan extraction, new freeze-thawing protocol was developed, tested on three different mushroom sources and compared to the classic protocol. The new protocol resulted in up to 2-fold increase in the obtained chitosan yield, up to 3-fold increase in its deacetylation degree, high whitening index and good antimicrobial activity. The fungal chitosan films enriched with Vitamin D were prepared and compared to the films based on animal origin chitosan demonstrating similar density, porosity and water vapor permeability. Layer-by-layer chitosan-alginate electrostatic deposition was used to coat fruit bars. The coatings helped to preserve the quality and increase the shelf-life of fruit bars, delaying degradation of ascorbic acid and antioxidant capacity loss as well as reducing bar softening. Microbiological analyses also showed a delay in yeast and fungal growth when compared with single layer coatings of fungal or animal chitosan or alginate. Edible coatings were also applied on fresh-cut melons and provided significant improvement of physiological quality (firmness, weight ˡᵒˢˢ⁾, ᵐⁱᶜʳᵒᵇⁱᵃˡ ˢᵃᶠᵉᵗʸ ⁽ᵇᵃᶜᵗᵉʳⁱᵃ, ᵐᵒˡᵈ, ʸᵉᵃˢᵗ⁾, ⁿᵒʳᵐᵃˡ ʳᵉˢᵖⁱʳᵃᵗⁱᵒⁿ ᵖʳᵒᶜᵉˢˢ ⁽Cᴼ2, ᴼ²⁾ ᵃⁿᵈ ᵈⁱᵈ not cause off-flavor (EtOH). It was also found that the performance of edible coating from fungal stalk leftovers does not concede to the chitosan coatings sourced from animal or good quality mushrooms. Implications. The proposal helped attaining triple benefit: valorization of mushroom industry byproducts; improving public health by fortification of food products with vitamin D from natural non-animal source; and reducing food wastage by using shelf- life-extending antimicrobial edible coatings. New observations with scientific impact were found. The program resulted in 5 research papers. Several effective and straightforward procedures that can be adopted by mushroom growers and food industries were developed. BARD Report - Project 4784
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7

Bierwagen, Gordon, and Yaping Huang. Development of Protective Coatings for Co-Sequestration Processes and Pipelines. Office of Scientific and Technical Information (OSTI), November 2011. http://dx.doi.org/10.2172/1053783.

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8

O'Brien. PR-004-103600-R01 Inspection Report for the GTI Pipeline Coating Test Facility Project - Phase I. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), March 2010. http://dx.doi.org/10.55274/r0010707.

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This report describes the efforts to coat piping used at the GTI Coating Test Facility. In total 53 different coating systems were installed as part of this project. The goal of the inspection process was to take all measures necessary to ensure that each joint was prepared and turned over to the applicators in conformance to the specifications and in a similar condition to all other joints.
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9

Kinzer, K. E. Dual cure low-VOC coating process. Final technical report, Phase 3. Office of Scientific and Technical Information (OSTI), December 1993. http://dx.doi.org/10.2172/10139035.

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Ramsingh and Revie. L51911 Conditions that Lead to the Generation of Stress Corrosion Cracking Environments - A Review. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 2000. http://dx.doi.org/10.55274/r0010180.

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Current knowledge of the conditions leading to generation of environments that cause stress corrosion cracking (SCC) of high-pressure pipelines was reviewed, and a database of references was compiled. In addition to the surface preparation of the steel pipe and the type of coating that is used, the level of cathodic protection (CP) reaching the pipe surface and the partial pressure of CO2 in the ground water are important factors. The balance between the level of CP reaching the surface and the CO2 partial pressure in the ground water is critical in determining the pH at the steel surface, and hence, whether high-pH SCC, near-neutral-pH SCC, or neither, occurs. Corrosion at pits and other localized sites may be a part of the SCC pre-initiation process. Under ground water conditions that simulate those of near-neutral-pH SCC, hydrogen enters and permeates line pipe steels. The findings of a review on conditions that lead to generation of stress corrosion cracking environments is presented in this report. The literature citations have been organized using Reference Manager, a searchable database of references. About 1,600 citations to references available in the literature as well as to industry reports are listed in the Reference Manager, covering all aspects of stress corrosion cracking, including issues relevant to generation of environments that cause SCC, such as coatings. Selected items from the Reference Manager database are listed in the Appendix of this report.
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