Academic literature on the topic 'Coating and lamination'

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Journal articles on the topic "Coating and lamination"

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Whalley, R., and M. Ebrahimi. "Control of a lamination process." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 219, no. 1 (February 1, 2005): 69–81. http://dx.doi.org/10.1243/095440805x7008.

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A high-speed laminating machine for a fabric coating and conversion process is considered. Following analysis procedures, state-space and the admittance transfer function descriptions for the system are derived. Regulation of the fabric tension owing to heat shrinkage and environmental and coating variations is necessary. An optimum, minimum control effort strategy is proposed, enabling simple cost effective regulation, without the use of active elements. The speed of response of the system is improved by the use of feedback compensation. Design validation, via simulation, obtaining the open- and closed-loop system responses is employed, demonstrating the achievement of smooth, almost monotonic variations in tension following reference changes, as specified.
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Veitl, Jakob, Hans-Konrad Weber, Martin Frankenberger, and Karl-Heinz Pettinger. "Modification of Battery Separators via Electrospinning to Enable Lamination in Cell Assembly." Energies 15, no. 22 (November 11, 2022): 8430. http://dx.doi.org/10.3390/en15228430.

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To meet the requirements of today’s fast-growing Li-ion battery market, cell production depends on cheap, fast and reliable methods. Lamination of electrodes and separators can accelerate the time-consuming stacking step in pouch cell assembly, reduce scrap rate and enhance battery performance. However, few laminable separators are available on the market so far. This study introduces electrospinning as a well-suited technique to apply thin functional polymer layers to common battery separator types, enabling lamination. The method is shown to be particularly appropriate for temperature resistant ceramic separators, for which stable interfaces between separator and electrodes were formed and capacity fading during 600 fast charging cycles was reduced by 44%. In addition, a straightforward approach to apply the method to other types of separators is presented, including separator characterization, coating polymer selection, mechanical tests on intermediates and electrochemical validation in pouch cells. The concept was successfully used for the modification of a polyethylene separator, to which a novel fluoroelastomer was applied. The stability of the electrode/separator interface depends on the polymer mass loading, lamination temperature and lamination pressure, whereas poorly selected lamination conditions may cause damage on the separator. Appropriate adhesion force of 8.3 N/m could be achieved using a polymer loading as low as 0.25 g/m2. In case separator properties, coating polymer, morphology of the fibrous coating and lamination conditions are well adjusted to each other, the implementation of electrospinning and lamination allows for faster, more flexible and robust pouch cell production at comparable or better electrochemical cell behaviour.
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Hoffman, Warren R. "Industrial Coating and Lamination Processes — Functionality and Limitations." Journal of Coated Fabrics 23, no. 2 (October 1993): 124–30. http://dx.doi.org/10.1177/152808379302300203.

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Ahn, Hyeon-Sik, Akpeko Gasonoo, Seong-Min Lim, Jae-Hyun Lee, and Yoonseuk Choi. "Fabrication of Color Glass with High Light Transmittance by Pearlescent Pigments and Optical Adhesive." Materials 15, no. 7 (April 2, 2022): 2627. http://dx.doi.org/10.3390/ma15072627.

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In this study, we propose a solution process for realizing colored glass for building integrated photovoltaic (BIPV) systems by spin coating a color solution composed of pearlescent pigments mixed in a Norland Optical Adhesive (NOA) matrix. Color solutions are made from mixing pearlescent pigments in NOA63. Compared to a physical vapor deposition process, color coatings are achieved by spin coating in a relatively simple and inexpensive process at room temperature. The optical properties can be easily controlled by adjusting the spin coating speed and the concentration of the pearlescent pigments. The produced colored glass achieved a high transmittance of 85% or more in the visible wavelength range, except for the wavelength spectrum exhibiting the maximum reflectance. In addition, we propose a one-step lamination process of colored glass on a solar cell by leveraging on the adhesive property of the NOA matrix. This eliminates the cost and process of additional ethylene vinyl acetate (EVA) layer or other materials used in the conventional lamination process. The colored glass produced through this study has stability that does not change its properties over time. Therefore, it is expected to be applied to the BIPV solar module market where aesthetics and energy efficiency are required.
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Martinez, Patricia M., Vladimir A. Pozdin, Alexios Papadimitratos, William Holmes, Fatemeh Hassanipour, George Dover, and Anvar A. Zakhidov. "Carbon Nanotube Dry Spinnable Sheets for Solar Selective Coatings by Lamination." Eurasian Chemico-Technological Journal 18, no. 4 (September 10, 2016): 241. http://dx.doi.org/10.18321/ectj479.

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Carbon nanotube, oriented free standing sheets can be laminated on any surface as selective solar absorbers while simultaneously dry spun in a highly controlled process from vertically oriented forests grown by CVD. We have found that properties of a CNT forest strongly correlate with the optical transparency and reflectivity of CNT sheets required for solar selective coatings and can be properly tuned for optimal coatings for solar collectors. We study absorptive and emissive properties of CNT sheets that are laminated by a simple automated and controlled process, developed for coating of cylindrical glass tubes for evacuated solar collectors (ETC). The advantages of Joule heating of CNT coatings are demonstrated and test results described, showing a unique property of fast heating as compared to slow heating in conventional solar water heaters.
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Mateja, Krzysztof, Wojciech Skarka, and Aleksandra Drygała. "Efficiency Decreases in a Laminated Solar Cell Developed for a UAV." Materials 15, no. 24 (December 8, 2022): 8774. http://dx.doi.org/10.3390/ma15248774.

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Achieving energy autonomy in a UAV (unmanned aerial vehicle) is an important direction for aerospace research. Long endurance flights allow for continuous observations, taking of measurements and control of selected parameters. To provide continuous flight, a UAV must be able to harvest energy externally. The most popular method to achieve this is the use of solar cells on the wings and structure of the UAV. Flexible solar cells mounted on the surface of the wings can be damaged and contaminated. To prevent these negative changes, it is necessary to apply a protective coating to the solar cells. One of the more promising methods is lamination. To properly carry out this process, some parameters have to be appropriately adjusted. The appropriate selection of temperature and feed speed in the laminator allows a PV (photovoltaic) panel to be coated with film, minimizing any defects in the structure. Covering PV panels with film reduces the performance of the solar cells. By measuring the current–voltage characteristics, data were obtained showing the change in the performance of solar cells before and after lamination. In the case of testing flexible PV panels, the efficiency decreased from 24.29 to 23.33%. This informed the selection of the appropriate number of solar cells for the UAV, considering the losses caused by the lamination process.
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Gou, Guo Qing, Nan Huang, Hui Chen, Da Li, Yan Liu, Hua Ji, Yong Hui Zhu, Gui Guo Wang, and Jin Peng Yu. "Formation Mechanism of Nanostructure of HVOF Sprayed Nanostructured WC-17Co Coating." Advanced Materials Research 314-316 (August 2011): 279–83. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.279.

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Nanostructured WC-17Co coating was prepared by means of High Velocity Oxygen Flame (HVOF) technique. Characteristic of nano-structure of the coating was analyzed. The coating seems to be of lamination structure formed by fully or partially melted powder. It shows that the coating consists of melted and recrystallized zone, semi-molten zone and un-melted zone. Amorphous phase and nanocrystalline phase co-existed in the coating is due to the rapid heating and cooling during spraying. The nanostructured coating possesses excellent mechanical properties, which are closely related to the unique nanostructures existed in the coating.
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Babin, Markus, Daniel Álvarez Mira, Yashaswa Surya Aryan, Marina García-Agúndez Blanco, Peter Behrensdorff Poulsen, and Sune Thorsteinsson. "Optical Transmission Losses of a TiO2-based Anti-soiling Coating for Use in Outdoor Photovoltaic Applications." Journal of Photocatalysis 2, no. 4 (November 2021): 297–305. http://dx.doi.org/10.2174/2665976x02666211022150845.

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Background: Soiling can be a major challenge for photovoltaic (PV) installations, depending on their location, as it reduces transmission and can lead to significant losses. Anti-soiling coatings have been demonstrated to reduce soiling losses and thereby increase PV power production. Objective: This article investigates the applicability of a titanium-dioxide-based anti-soiling coating developed by Photocat under the name “ShineOn” for use with PV installations. The main parameter examined is the optical transmission losses, as this directly translates to performance losses during non-soiled operations. Methods: Measurements of transmittance are carried out using both indoor laboratory setups as well as outdoor PV installations, including measurements of the short-circuit current (Isc), incidence angle modifier (IAM) and spectral transmittance. Investigated samples include both full-sized modules and custom-made mini-modules containing a single solar cell. Results: Both indoor and outdoor measurements show minor transmission losses in the range of 0.3 to 0.6 % and negligible effects on the IAM. Additionally, observations indicate that samples should be coated after lamination, as losses for samples coated before lamination are slightly higher. Conclusion: As the transmission losses due to the ShineOn coating are small and no additional angular- dependent losses were observed, the coating is deemed not to be detrimental for PV applications. Proper assessment of the usefulness requires investigations of the anti-soiling properties, for example, through test installations in regions with high soiling rates.
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Kuo, Chin-Chiuan. "Wear Behaviors of Carbon–Chromium Carbide–Chromium Multilayer Coatings Prepared by Reactive High-Power Impulse Magnetron Sputtering." Materials 14, no. 24 (December 13, 2021): 7694. http://dx.doi.org/10.3390/ma14247694.

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Carbon–chromium carbide–chromium multilayer coatings were deposited by utilizing reactive high-power impulse magnetron sputtering with alternating various ratios of ethyne and argon mixtures under a constant total deposition pressure, target pulse frequency, pulse duty cycle, average chromium target power, and total deposition time. Two different alternating gas mixture periods were applied to obtain films with different numbers of layers and lamination thicknesses. The results show that the reduction in the modulation period effectively affects the elastic modulus and the subsequent ratio of hardness to elastic modulus (H/E) of the whole coating, which helps adapt the elastic strain in the coating. This improves the adhesion strength and wear resistance of coatings at room temperature. However, with the increase in wear test temperature, the difference between the wear behaviors of two types of coatings becomes inconspicuous. Both types of coatings lose the wear resistance due to the decomposition of hydrocarbon and the oxidation of the chromium content in the films.
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Srisungsitthisunti, Pornsak, Siriporn Daopiset, and Noparat Kanjanaprayut. "Correlation of Acoustic Emission and Corrosion Resistance of Lacquer Coatings on Tin-Free Steel." Key Engineering Materials 659 (August 2015): 628–32. http://dx.doi.org/10.4028/www.scientific.net/kem.659.628.

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Acoustic emission (AE) is a non-destructive technique which is well known for crack monitoring. Moreover, it has been widely used for corrosion and erosion damage on metallic structures. In this study, AE technique was applied for quick monitoring of corrosion resistance of lacquer coatings on tin free steel and laminated steel for food can-packaging. There were three types of coatings: (A) BPA-NI lacquer, (B) BPA-complied lacquer, and (C) PET lamination. These coatings were investigated in flat-sheet and in deformed sheet. Cathodic disbonding (CD) technique was carried out to cause separation between the coating and the metal substrate and initialize corrosion damage. AE signals was detected immediately with potential excitation, and showed good correlation with coating corrosion resistance during corrosion development. AE count signal matched with resulting current during CD, and proportional to corroded areas. In addition, coatings properties were measured before and after the CD process by electrochemical impedance spectroscopy (EIS). A combination of AE and CD techniques offers an in-situ non-destructive corrosion monitoring of coating quality before and during delamination development, and useful for can-packaging testing.
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Dissertations / Theses on the topic "Coating and lamination"

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Smiešková, Jana. "Laminování keramických fólií." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442596.

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This master’s thesis deals with ways of lamination of ceramic tapes prepared by gel–tape casting method. The thesis is divided into two parts. The first part, a literary recherche, describes methods of production of thin ceramic layers. The main focus is on the tape casting method. The second, experimental, part of the thesis describes the preparation of ceramic suspensions, the fabrication of thin ceramic layers by gel–tape casting method, the preparation of laminated bodies from thick-walled discs and laminated tapes and it also shows a possibility of creating of ceramic layers by the spin coating method used on polycrystalline ceramic substrate.
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FOTIE, GHISLAIN. "EFFECTIVE REPLACEMENT IN FOOD PACKAGING OF OIL-BASED OXYGEN-BARRIER POLYMERS (EVOH, PVDC), WITH BIO-COMPOSITES CONTAINING CELLULOSE NANOCRYSTALS (CNCS) EXTRACTED FROM WASTE AND BIOMASSES." Doctoral thesis, Università degli Studi di Milano, 2019. http://hdl.handle.net/2434/694445.

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With increasing pollution and global warming of the environment, a wide spectrum of engineering technologies has emerged in food packaging to develop innovative materials with less carbon dioxide release and Green House emissions. Nowadays, an ideal food packaging must meet all the requirements of food safety and comply with environmental concerns concomitantly. One of the strategies to implement a food package that encompasses all consumer needs is to resort to eco-friendly laminates that combine several layers of materials with different functions in terms of gas/oil/water barrier and mechanical properties. The PhD research was focused on the replacement of currently used EVOH conventional gas barrier laminates with bio-based laminates containing cellulose nanocrystals (CNCs) for shelf-life extension of sensitive-oxidation foods products. Chemico-physically, cellulose is a microfibrillated structure, the most abundant biopolymer, made of millions of beta 1-4 glucose linked by glycosidic bonds; its hierarchical organization denotes from the crystalline and amorphous regions containing chains of glucose firmly hold together side-by-side by hydrogen bonds providing high tensile strength. CNCs are generally obtained by a chemical process called “top-down” either by acidic or oxidative hydrolysis of the amorphous part of cellulose. CNCs are biodegradable tiny particles whose at least one dimension is smaller than or equal to 100 nm. Actually, CNCs-coated polymers exhibit unique and extraordinary barrier properties to gases. However, since most biodegradable materials are hydrophilic by nature, CNCs tend to integrate water in wet environment which then allows the gases to pass through the coated polymers even abruptly. That phenomenon of water sensibility of CNCs was investigated in-depth during the first stage of the research and two solutions were considered plausible to alleviate that drawback, that of chemically modifying the CNCs surface for making them more hydrophobic or/and that of laminating the CNCs between two water-repellent plastic films to protect them from the humid surrounding. Standard (unmodified) and esterified (modified) CNCs were produced and characterizedto assess their functional groups, crystallinity index, apparent hydrodynamic diameter and size and hydrophilic behavior. Subsequently, plastic films were coated with standard and modified CNCs and characterized by the contact angle, Z-potential, gases permeability (Water vapor, O2, CO2). Coated-CNCs plastic films were then laminated with solvent-based polyurethanic adhesive and characterized by delamination test and gas permeability at 50% and 80% RH to evaluate the effectiveness of the lamination in the protection of CNCs coatings from the wet environment. Between 90% and 1200% improvement of gas barrier was achieved after the lamination.More importantly, the chemical modification of cellulose nanocrystals combined with the lamination resulted to be the best strategy to overcome the water sensitivity of CNCs in wet environment. Finally, a comparative food shelf-life assessment by using both synthetic (EVOH) and bio-based (CNCs) barriers laminates were successfully performed on grated cheese and ground coffee. The results obtained confirmed with certainty that CNCs implementation as a replacement of petroleum-based gas barrier is effective and that will contribute to develop more advanced and sustainable food packaging able to reduce the dependency on synthetic polymers and promoting a circular economy.
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范丹. "Research and Development on a Novel Composite Gas Barrier Film – Establishment of Coating, Lamination and Heat Sealing Processes." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/4xa498.

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LI, WEN-KENG, and 李汶耿. "Quality Engineering Used In Dual Brightness Enhancement Film Coating Laminating Process." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3cwejw.

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碩士
逢甲大學
工業工程與系統管理學系
106
In this paper, the reflective brightness enhancement film in the backlight module industry was studied. Taguchi Method (TM) method was used to investigate the application process of the reflective brightness enhancement film product. The parameters were at the product line distance. Under the target of small-scale quality characteristics, a controllable factor research experiment was conducted to find a set of process parameter settings for improving the quality of current coating and pasting processes. This process is used to analyze and find out the controllable factors (such as tension, speed, temperature, etc.) in the key process coating application that affect the product quality. And use the multi-factorial design of the straight mating list L9 (34) to randomize and assign each factor treatment to each experimental unit to eliminate the influence of factors other than the specific factor on the reaction value and obtain the best coating fit. The process parameters, the combination of the oven temperature at 80°C, the coating speed at 10M/min, the winding tension at 6KG, and the glue thickness at 25μm, gave the best coating fit parameters for this experiment.
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Books on the topic "Coating and lamination"

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service), SpringerLink (Online, ed. Coating Substrates and Textiles: A Practical Guide to Coating and Laminating Technologies. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

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European, Polymers Films Laminations and Extrusion Coatings Conference (8th 2001 Barcelona). 2001, 8th European Polymers, Films, Laminations and Extrusion Coatings Conference. Atlanta, GA: Tappi Press, 2001.

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Polymers, Laminations, and Coatings Conference (2000 Chicago, Ill.). 2000 TAPPI Polymers, Laminations, & Coatings Conference: August 27-31, 2000, Westin Hotel, Chicago, IL. Atlanta, Ga: TAPPI Press, 2000.

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1936-, Bentley David J., and Technical Association of the Pulp and Paper Industry., eds. Polymers, laminations, and coatings: A TAPPI Press anthology of published papers, 1986-1991. Atlanta, Ga: TAPPI Press, 1991.

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Group, British Textile Technology, ed. Progress in textile coating and laminating: Papers presented at a BTTG conferenceon 2-3 July, 1990. Manchester: BTTG, 1990.

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Polymers, Laminations and Coatings Conference (1993 Chicago, Ill.). 1993 Polymers, Laminations & Coatings Conference: Hyatt Regency Chicago, Chicago, Illinois, August 29 - September 2. Atlanta, GA: TAPPI Press, 1993.

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Polymers, Laminations and Coatings Conference (1994 Nashville, Tenn.). 1994 Polymers, Laminations & Coatings Conference, Opryland Hotel, Nashville, Tennessee, August 28 - September 1: Proceedings. Atlanta, GA: TAPPI Press, 1994.

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Polymers, Laminations, and Coatings Conference (1986 Nashville, Tenn.). 1986 Polymers, Laminations, and Coatings Conference, Opryland Hotel, Nashville, TN, September 15-17. Atlanta, GA, USA: TAPPI Press, 1986.

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Polymers, Laminations, and Coatings Conference (1987 San Francisco, Calif.). 1987 Polymers, Laminations and Coatings Conference: Westin St. Francis, San Francisco, CA, September 9-11. Atlanta, GA, USA (P.O. Box 105113, Atlanta 30348): TAPPI Press, 1987.

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International Conference on Textile Coating and Laminating (7th 1997 Charlotte, North Carolina). The Seventh Annual International Conference on Textile Coating and Laminating: Technology driving the future of the industry : [conference held at Charlotte Marriott Executive Park, Charlotte, North Carolina on November 17-18, 1997]. Lancaster, PA: Technomic Publishing Company Inc, 1997.

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Book chapters on the topic "Coating and lamination"

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Rosato, D. V. "Coating and lamination." In Extruding Plastics, 441–68. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5793-7_11.

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Selke, Susan E. M., and John D. Culter. "Converting, Lamination and Coating." In Plastics Packaging, 245–55. München: Carl Hanser Verlag GmbH & Co. KG, 2015. http://dx.doi.org/10.3139/9783446437197.008.

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Selke, Susan E. M., John D. Culter, Rafael A. Auras, and Muhammad Rabnawaz. "Converting, Lamination and Coating." In Plastics Packaging, 253–63. 4th ed. München: Carl Hanser Verlag GmbH & Co. KG, 2021. http://dx.doi.org/10.3139/9781569908235.008.

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Ball, D. W. "Coating and laminating." In Dictionary of Converting, 28–88. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2266-5_2.

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Bezigian, Thomas. "Extrusion Coating and Laminating." In Handbook of Industrial Polyethylene and Technology, 429–42. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119159797.ch14.

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Choi, Jae Woong, Gil Ho Hwang, Heung Jae Oh, and Sung Goon Kang. "Fabrication and Characterization of Al-Fe Coating for the Wet-Seal Area of Separator for Molten Carbonate Fuel Cells (MCFC) by the Laminating of Al Foil." In Solid State Phenomena, 1577–80. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-31-0.1577.

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Dunn, Thomas. "Extrusion Lamination and Coating." In Flexible Packaging, 49–59. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-323-26436-5.00005-9.

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Giles, Harold F., John R. Wagner, and Eldridge M. Mount. "Extrusion Coating and Lamination." In Extrusion, 465–68. Elsevier, 2005. http://dx.doi.org/10.1016/b978-081551473-2.50048-9.

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Wagner, John R., Eldridge M. Mount, and Harold F. Giles. "Extrusion Coating and Lamination." In Extrusion, 551–54. Elsevier, 2014. http://dx.doi.org/10.1016/b978-1-4377-3481-2.00047-8.

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"Coating and Lamination of Flexible Materials." In Handbook of Package Engineering, 123–46. CRC Press, 1998. http://dx.doi.org/10.1201/b18045-7.

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Conference papers on the topic "Coating and lamination"

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Granqvist, Claes G. "Electrochromics on a Roll: Web-Coating and Lamination for Smart Windows." In 60th Society of Vacuum Coaters Annual Technical Conference. Society of Vacuum Coaters, 2018. http://dx.doi.org/10.14332/svc17.proc.42694.

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Sundararaian, T., S. Kuroda, T. Itagaki, and F. Abe. "Steam Oxidation Resistance of HVOF Thermal Sprayed Ni-Cr Coatings." In ITSC2003, edited by Basil R. Marple and Christian Moreau. ASM International, 2003. http://dx.doi.org/10.31399/asm.cp.itsc2003p0495.

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Abstract HVOF coatings of 80Ni-20Cr and 50Ni-50Cr powders were carried out on 9Cr-1Mo steel substrate. The coating thickness was around 60 µm. The coated specimens were steam oxidized in four different temperatures, ranging from 600 to 750°C. The steam oxidized specimens were taken out from the chamber at 10, 100 and 1000 hours to examine their protectiveness against scale growth. X-ray diffraction, scanning electron microscope and electron probe microanalysis were carried out on the steam-oxidized specimens in reference with as-coated conditions. Both 80Ni- 20Cr and 50Ni-50Cr coatings show neither scale growth at the interface nor de-lamination in the coating structure. Fe, and Ni diffusion was found in the case of 80Ni-20Cr coatings. The diffusion increased with increase in the temperature and test duration. On the other hand, 50Ni-50Cr coatings, showed an excellent performance in all tested temperatures. The effect of Cr content in the coating, change in phase and compound formation during oxidation, and their influence on the diffusion process will be discussed in detail.
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Mihm, S., T. Duda, G. Thomas, H. Gruner, and B. Dzur. "Reducing the Cost of Thermal Barrier Coatings by Optimizing the Atmospheric Plasma Spray Process." 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.itsc2011p0241.

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Abstract The global economic growth has triggered a dramatic increase in the demand for resources over the last few years, resulting in steady price increases for energy and raw materials. In the gas turbine manufacturing sector, process optimizations of cost-intensive production steps involve a heightened savings potential and form the basis for securing future competitive advantages in the market economy. In this context, the atmospheric plasma spraying (APS) process for thermal barrier coatings (TBC) has been optimized. A constraint for the APS coating process optimization is the use of the existing coating equipment. Furthermore, the current coating quality and characteristics are not allowed to change in order to avoid new qualification and testing. Using experience in atmospheric plasma spraying and empirically gained data, the process optimization plan included the variation of e.g. the plasma gas composition and flow rate, the electrical power, the arrangement and angle of the powder injectors to the plasma jet, the grain size distribution of the spray powder and the plasma torch movement procedure like spray distance, offset and iteration. In particular, plasma properties (enthalpy, velocity, temperature), powder injection conditions (injection point, injection speed, grain size distribution,) as well as the coating lamination (coating pattern, spraying distance) are examined. The optimized process and resulting coating was compared to the current situation by several diagnostics methods. The improved process provides significantly lower costs by achieving the requirement of comparable coating quality. Furthermore, a contribution was made to a better comprehension of the atmospheric plasma spraying of ceramics and a method for future process developments was defined.
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Aoyagi, Seiji, Tatsuki Morita, Takuto Shintani, Hiroki Takise, Tomokazu Takahashi, and Masato Suzuki. "Formation of PVDF Piezoelectric Film on 3D Bellows Surface of Robotic Suction Cup for Providing Force Sensing Ability -Feasibility Study on Two Methods of Dip-coating and Lamination-." In 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2019. http://dx.doi.org/10.1109/iros40897.2019.8967654.

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Lu, Youwei, and Prabhakar R. Pagilla. "Modeling the Effects of Heat Transfer Processes on Material Strain and Tension in Roll to Roll Manufacturing." In ASME 2013 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/dscc2013-4075.

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This paper develops governing equations for material strain and tension based on a temperature distribution model when the flexible materials (often called webs) are transported on rollers through heat transfer processes within roll-to-roll (R2R) processing machines. Heat transfer processes are employed widely in R2R systems that contain process operations such as printing, coating, lamination, etc., which require heating/cooling of the moving web material. The heat transfer processes introduce the thermal expansion/contraction of the material and changes in the elastic modulus. Thus, the temperature distribution in the moving material affects the strain distribution in the material. Because of change in strain as well as modulus as a function of temperature, tension in the material resulting from elastic strain is also affected by heating/cooling of the web. To obtain the temperature distribution, two basic heat transfer modes are considered: web wrapped on a heat transfer roller and the web span between two consecutive rollers. The governing equations for strain is then obtained using the law of conservation of mass considering the temperature effects. Subsequently, a governing equation for web tension is obtained by assuming the web is elastic with the modulus varying with temperature; an average modulus is considered for defining the constitutive relation between web strain and tension. Since it is difficult to obtain measurement of tension using load cell rollers within heat transfer processes, a tension observer is designed. To evaluate the developed governing equations, numerical simulations for a single tension zone consisting of a heat transfer roller, a web span, and a driven roller are conducted. Results from these numerical model simulations are presented and discussed.
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6

Vydra, Edward J. "Multilayer Composite Materials Manufactured by Continuous Coil Coating/Laminating Process." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1987. http://dx.doi.org/10.4271/870178.

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7

Klann, Martin, and Thomas Beuker. "Pipeline Inspection With the High Resolution EMAT ILI-Tool: Report on Full-Scale Testing and Field Trials." In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10156.

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In succession of a research project to develop an EMAT in-line inspection technology for the detection of stress corrosion cracking (SCC) and disbonded coating, a 16” EMAT inspection tool was manufactured and tested. This 16” EMAT Crack Detection (ECD) Tool establishes a new high-resolution approach to effective and accurate crack inspection technology especially for gas lines. The performance of this tool was tested on several pipe samples containing natural SCC as well as artifical anomalies and laminations. Furthermore, a field test is currently being conducted, which will detail the tools performance under operational conditions. The new technology will be compared to the results from the established Magnetic Flux Leakage inspection (MFL) technology. EMAT inspection technology, originally designed for detection of SCC, is also sensitive to areas of disbonded coating, other crack-like features, and anomalies like gouging and channeling. To distinguish the different types of pipeline threats, a qualitative defect sizing process is under development incorporating the EMAT data and the information from the other in-line inspection technologies. Following an introduction into EMAT guided wave theory, data from a series of full-scale tests obtained with 34” prototype sensors and the complete 16” ILI-EMAT tool, will be presented. The inspection tool itself, as well as the process for evaluating the recorded data, are undergoing continuous improvements. This paper will discuss the development status of these technologies.
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Lee, Chang-Chun, Pei-Chen Huang, Chi-Wei Wang, and Oscar Chuang. "Stress Evaluation of Flexible Displays With Multiple-Laminations Architecture Enabled by Experimental Measurement and Simulation Based Factorial Design." In ASME 2019 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ipack2019-6541.

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Abstract Fatigue behavior of multiple-stacked film-type flexible displays under flexural load has received considerable research attention, whereas the requirement of a considerably thin and flexible packaging structure with single/multiple neutral axis has not been systemically explored. Consequently, this study evaluated the flexural load induced strain and corresponding resistance change in flexible display architecture by both experimental and simulation works. The relationship between mechanical strains and the relevant resistance change in a touch panel module is estimated by both nonlinear finite element analysis and actual experiments. The aforementioned results revealed that the simulated strain and the resistance change of indium tin oxide (ITO) film were increased as the bending radius becomes narrow. Moreover, the influences of several mechanical parameters within an entire organic light-emitting diode device package with multiple coatings were estimated by a simulation-based parametric study. It should be noted that the structure design would lead the single/multiple neutral axis (N.A.) occurred in the concerned flexible displays. Among all the designed structural and material properties, the Young’s modulus of the adhesive is the most dominant factor to determine the bending strain of ITO film and the phenomenon occurrence of multiple N.A. The analytic results indicated that the multiple N.A. design is contributed to decrease the flexural strain and corresponding resistance change of ITO film. Therefore, the design rules of single/multiple N.A. and its influences on stress-induced electric variation in flexible display are revealed.
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9

Pérez, Miguel Angel Lugo. "Predictive and Preventive Maintenance of Oil and Gas Production Pipelines in the Area North Monagas-Venezuela." In 1996 1st International Pipeline Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/ipc1996-1835.

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Predictive maintenance of oil and gas production pipelines has allowed tp predict operational failures. Specially due to the thermodynamic behavior of the produced fluids, contaminants present in the oil and gas such as sand, water, H2S and CO2, asphaltene deposition, high temperatures and pressures, phisicochemical characteristics of the soil, etc. that would lead to risks of the installations. In order to minimize risks of failures, we have stablish a control and monitoring preventive program of the variables that influence this conditions, such as: non-destructive testing, wall thickness measurements and two dimensional B Scan measurements to detect impurities, laminations and inclusions in the pipeline material, corrosion evaluation of pipelines, characterization of the soil corrosive potential of flow stations and compressing plants. Aditionally, we have implementede predictive control through the application of external corrosion prevention techniques such as cathodic protection and coatings. For internal corrosion, the use of corrosion inhibitors, asphaltene dispersants and material selection. Increasing the protection through preventive and predictive maintenance we can reduce the operational risks involved for the oil and gas production.
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Henrik-Christian Graichen, Henrik-Christian Graichen, Jörg Sauerhering Jörg Sauerhering, Frederick Reuber Frederick Reuber, Aaron Dlugosch Aaron Dlugosch, Frank Beyrau Frank Beyrau, Manikhanta Chinni Manikhanta Chinni, and Gunar Boye Gunar Boye. "Advanced thermal management optimization of a liquid cooled compact electrical engine with air gap winding." In FISITA World Congress 2021. FISITA, 2021. http://dx.doi.org/10.46720/f2021-adm-142.

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"The green revolution in the automotive industry leads to a rising impact of electro-mobility solutions. Next generation electrical engines are characterized through a high specific power density, which is restricted by thermal loads induced by Joule heating in the engines’ windings due to Ohmic resistances. Built-in permanent magnets, sensors and non-metallic materials such as foils, coatings and adhesives are highly limited in their temperature resistance. This makes it a crucial task to increase the cooling efficiency via an optimized liquid cooling concept. A reduction of space, weight as well as a longer lifetime of the engines’ components represent a worthwhile reward. The heat dissipation is restricted by thermal resistances between the winding as heat source, through different layers like thermal interface materials (TIM), the iron core and the cooling channels (CC) as heat sink. This paper treats different approaches regarding an optimized integral liquid cooling concept for an electrical external rotor engine with air-gap winding. Since the approach of optimizing the convective heat transfer is linked to the handling of the turbulence inside the flow, it is based on the trade-off between lower pressure losses along the channels and increased wall-fluid-interaction in the CC near the winding-heads. Here the optimization lies in the adaption of laser additive manufacturing methods. These deliver many degrees of freedom in terms of a redesigned cooling channel inlet/outlet geometry. The overall turbulence can be reduced and be limited to thermally stressed areas requiring an increased convective heat transfer. Newly designed channel-built-in fins deliver further support in terms of heat transfer into the CC and result in a smoothed temperature field inside the stator. Coupled numerical FEM-simulations of conductive and convective heat transport and fluid flow accompanied the additive manufacturing design process of the engine step-by-step. These simulations were validated through active IR-thermographic measurements, allowing to separately evaluate each step with its possible error sources in form of later emerging hot-spots. Previously carried out investigations inside this working group identified the TIM as a main contributor to the overall heat resistance between source and sink. The detection of heat conductivity, heat capacity and layer thickness of said TIMs is important for the numerical model implementation, therefore uncharacterized TIM-adhesive-lamination properties were determined using Laser-Flash-Analysis and Differential-Scanning-Calorimetry. To the knowledge of the authors, a variable that has been hardly investigated so far, is the influence of the material’s surface roughness the TIM is applied to. For getting a better understanding of how the heat resistance of the TIM-metal-compound is affected at different states of surface roughness, a series of experiments were performed supported by design of experiment (DOE). The detected influence of different input parameters on the heat resistance has been considered during following production steps. Finally, the influence of the modified CC geometry on the temperature field and the pressure losses are presented compared to non-modified and conventional milled geometries. The influence of surface roughness on the heat transfer of TIM-compounds is discussed and an outlook on a modified engine design for improved cooling performance is given."
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