Academic literature on the topic 'Cold kinetic deposition'

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Journal articles on the topic "Cold kinetic deposition"

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Šafl, P., J. Zimáková, T. Binar, and P. Čudek. "New possibilities of using cold kinetic deposition." Journal of Physics: Conference Series 2382, no. 1 (2022): 012016. http://dx.doi.org/10.1088/1742-6596/2382/1/012016.

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This work deals with the properties of the protective layer applied to the base material using the cold spray method. Aluminum plate, on which a thin layer of copper was applied, served as the basic material. The samples prepared in this way were subjected to accelerated corrosion tests. Sensors for measuring the acoustic emission signal were attached to the samples. The recording was an acute emission and was taken during the entire period of corrosion. The properties of the deposited layer were also verified using metallography.
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Yu, Hai Jiao, Yu Ya Wang, Jun Xue, and Zun Wang. "An Advanced Metal Deposition Technique-Kinetic Metallization." Materials Science Forum 817 (April 2015): 510–15. http://dx.doi.org/10.4028/www.scientific.net/msf.817.510.

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Kinetic metallization (KM) is a sonic cold spray metal deposition technique, which offers promise as a way to produce coatings with a wild range of thickness. It is a solid-state process, from which the obtained coating is oxide free, high compactness (the porosity ratio may less than 0.1%), and has a strong bonding with the matrix. KM now is extensively applied in many fields, such as part/structure dimensional repair, solar battery manufacture, corrosion resistance and protection, wear resistance, oxidation resistance, and polymer spray. The present work presented the elements and advantages
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Koivuluoto, Heli, Andrea Milanti, Giovanni Bolelli, et al. "Structures and Properties of Laser-Assisted Cold-Sprayed Aluminum Coatings." Materials Science Forum 879 (November 2016): 984–89. http://dx.doi.org/10.4028/www.scientific.net/msf.879.984.

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In the cold spray process, solid particles impact on a surface with high kinetic energy, deform plastically and form a coating. This enables the formation of pure and dense coating structures. Even more, coating performance and deposition efficiency can be improved by assisting the process with a laser. Laser-assisted cold spraying (LACS) has shown its potential to improve coating properties compared with traditional cold spraying. In this study, coating quality improvement was obtained by using a co-axial laser spray (COLA) process which offers a new, cost-effective laser-assisted cold spray
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Binar, Tomáš, Jana Zimáková, Michal Šustr, Lukáš Řehořek, Maros Samel, and Marie Sedlarikova. "Degradation of the Layer Applied by Cold Kinetic Deposition." ECS Transactions 105, no. 1 (2021): 339–54. http://dx.doi.org/10.1149/10501.0339ecst.

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During the described experiment, a sample with a copper coating was formed on an aluminum substrate by cold spray. Subsequently, this sample was split for corrosion tests, where the split samples were exposed to a corrosive environment for different exposure times. The extent of corrosion degradation of the samples was evaluated by acoustic emission and metallographic analysis for corrosion-loaded samples for 100, 200 and 300 hours.
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Forero-Sossa, Paola Andrea, Astrid Lorena Giraldo-Betancur, Carlos A. Poblano-Salas, et al. "Nozzle Geometry and Particle Size Influence on the Behavior of Low Pressure Cold Sprayed Hydroxyapatite Particles." Coatings 12, no. 12 (2022): 1845. http://dx.doi.org/10.3390/coatings12121845.

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Low-pressure cold spray (LPCS) technology has attracted interest for the deposition of ceramic coatings due to the thermo-kinetic conditions experienced by the sprayed particles. Unlike conventional thermal spray techniques, the spraying conditions in LPCS can be controlled to avoid the formation of undesired phases. However, ceramics deposition through this process is still challenging. The present study includes a finite element analysis and simulation study of the kinetic conditions of ceramic particles in the LPCS process based on experimental data. The analysis seeks to discuss the effect
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Kubicki, Grzegorz, Volf Leshchynsky, Ahmed Elseddawy, et al. "Microstructure and Properties of Hydroxyapatite Coatings Made by Aerosol Cold Spraying–Sintering Technology." Coatings 12, no. 4 (2022): 535. http://dx.doi.org/10.3390/coatings12040535.

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Hydroxyapatite is a widely used material used for the bioactivation of an implant’s surface. A promising hydroxyapatite coating approach is the kinetic deposition of powder particles. The possibility of solid-state deposition improvement through the merging of Aerosol Deposition and Low Pressure Cold Spraying techniques is a promising prospect for improving the deposition efficiency and the quality of coatings. The objective of the paper is to study the possibilities of hydroxyapatite coating structure modification through changes in the coating process and post-heat treatment. The novel Aeros
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Binar, Tomáš, Jana Zimáková, Jakub Steiniger, et al. "The Spread of Corrosion of the Deposited Material Using the Cold Spray Method." ECS Transactions 105, no. 1 (2021): 355–69. http://dx.doi.org/10.1149/10501.0355ecst.

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A layer of copper was applied to the base aluminum material using the cold spray method (cold kinetic deposition). The samples were exposed to corrosion in a salt chamber for 100, 200 and 300 hours. The change in the size of the internal and surface resistance of the samples was monitored. The corrosion results were also examined using an electron microscope.
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Lee, Jae Chul, Doo Man Chun, Sung Hoon Ahn, and Caroline S. Lee. "Material Properties of Thick Aluminum Coating Made by Cold Gas Dynamic Spray Deposition." Key Engineering Materials 345-346 (August 2007): 1097–100. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.1097.

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Cold gas dynamic spray is a relatively new coating process by which coatings can be produced without significant heating during the process. Cold gas dynamic spray is conducted by powder sprayed using supersonic gas jet, and generally called the kinetic spray or cold spray. Its low process temperature can minimize the thermal stress and also reduce the deformation of the substrate. In this study, thick or macro scale deposition was studied while most researches on cold-spray have focused on micro scale coating. Measured material properties of macro scale deposition layer showed that elastic mo
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W. J., W. J. "Effects of Metal Particles on Cold Spray Deposition onto Ti-6Al-4V Alloy via Abaqus/Explicit." Journal of Engineering Sciences 7, no. 2 (2020): E19—E25. http://dx.doi.org/10.21272/jes.2020.7(2).e4.

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Titanium alloy is the main structural material of the aerospace system component. About 75 % of titanium and titanium alloys in the world are used in the aerospace industry. Hence, it is of great significance to study the surface deposition characteristics by cold spraying technology, taking Ti-6Al-4V alloy as an example, smoothed particle hydrodynamics (SPH) method in Abaqus/Explicit was used to spray aluminum, Ti-6Al-4V, copper, tungsten alloy (W alloy) and titanium particles onto Ti-6Al-4V substrate. The simulation results show that the deposition effect is good over 600 m/s, and higher ene
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Henao, John, Astrid Giraldo-Betancur, Carlos A. Poblano-Salas, et al. "On the Role of Substrate in Hydroxyapatite Coating Formation by Cold Spray." Coatings 14, no. 10 (2024): 1302. http://dx.doi.org/10.3390/coatings14101302.

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The deposition of agglomerated hydroxyapatite (HAp) powders by low-pressure cold spray has been a topic of interest in recent years. Key parameters influencing the deposition of HAp powders include particle morphology and impact kinetic energy. This work examines the deposition of HAp powders on various metal surfaces to assess the impact of substrate properties on the formation of HAp deposits via cold spray. The substrates studied here encompass metals with varying hardness and thermal conductivities, including Al6061, Inconel alloy 625, AISI 316 stainless steel, H13 tool steel, Ti6Al4V, and
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Dissertations / Theses on the topic "Cold kinetic deposition"

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Šteiniger, Jakub. "Hodnocení využití technologie studené kinetické depozice na materiálech používaných v elektrotechnice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442436.

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The master´s thesis deals with a process called cold kinetic deposition technology. Using this technology, a copper layer was formed on a sample with an aluminium base by high-pressure cold spraying at a pressure of 25 bar. In the experimental part, the influence of corrosion degradation in the salt chamber was assessed at the time cycles of 100 h, 200 h and 300h, where changes in internal and surface resistances before and after corrosion were measured. Subsequently, the analysis of corrosion products was performed, where the extent of corrosion attack was determined using an electron microsc
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Sámel, Maroš. "Využití technologie studené kinetické depozice na materiálech používaných v elektrotechnice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442477.

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The purpose of this diploma thesis is to get a better understanding of cold kinetic deposition (cold spray), principles of functioning of this method followed by an evaluation of advantages and disadvantages of cold spray and its comparison to conventional thermal methods and a simple summary of the practical use of cold spray with respect to different materials. Next there is a summary of the properties and uses of frequently applied metals in electrical engineering, aluminium and copper, description of metal corrosion and an understanding of the diagnostic method of acoustic emission. In the
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Wu, Bo-Yu, and 吳柏諭. "Kinetics study and material analysis of metalorganic chemical vapor deposition copper films-Precursor: (hfac)CuI(COD)." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/ygbv29.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>94<br>Growth kinetics and material analysis of copper films with metalorganic chemical vapor deposition (MOCVD) reaction system using hexafluoroacetonate-Cu(I)-1,5-cyclooctadiene (hfac)CuI(COD) as the precursor was studied. In this study, the kinetic data of MOCVD Cu thin films as a function of deposition temperature and partial pressure of precursor were investigated. In addition, the effect of different deposition temperatures on the surface morphology、crystal structure、microstructure and film electricity was discussed. It was found that the growth rate of copper
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Book chapters on the topic "Cold kinetic deposition"

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Bailyn, Charles D. "Outflows and Jets." In What Does a Black Hole Look Like? Princeton University Press, 2014. http://dx.doi.org/10.23943/princeton/9780691148823.003.0003.

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This chapter looks at the presence of outflows or jets, a somewhat unexpected feature of accretion flows. There is strong observational evidence that some fraction of the infalling material reverses course near the accreting object and is shot out perpendicularly to the accretion disk. In some cases, narrow collimated beams of emission are observed emerging from the central-most regions of galaxies and continuing across the whole of the galaxy, depositing their energy hundreds of kiloparsecs away from their origin. These phenomena are sometimes described as jets “emerging” from a black hole. T
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Conference papers on the topic "Cold kinetic deposition"

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Johnson, M. L., and M. B. Tomson. "Ferrous Carbonate Precipitation Kinetics and Its Impact CO2 Corrosion." In CORROSION 1991. NACE International, 1991. https://doi.org/10.5006/c1991-91268.

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Abstract Recent evidence indicates that ferrous carbonate (FeCO3, siderite) plays a critical role in forming corrosion resistant scale. The temperature dependent precipitation kinetics of ferrous carbonate were studied using a powerful new "temperature ramped" approach. The activation energy calculated using a second order precipitation model (123 kJ/mol) qualitatively indicates that precipitation was controlled by surface reaction rate over the temperature interval studied. At low temperatures (&amp;lt;60 C), precipitation is expected to progress more slowly than corrosion reactions. At eleva
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Tapphorn, R., H. Gabel, K. Hashimoto, Weston Wahl, and T. Crowe. "Military Adoption of Kinetic Metallization." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0494.

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Abstract The low temperature Kinetic Metallization (KM) deposition process is compliant with the recently revised MIL-STD-3021 standard for cold spray materials deposition. KM deposition process and equipment was supported through the US Military via multiple Small Business Innovative Research (SBIR) grants leading to delivery of KM deposition equipment to multiple branches. Coating application areas discussed in this paper include wear resistant tungsten-carbide and chromium-carbide hard-phase coatings. These are used for aircraft engines and landing gear surfaces with firm low temperature de
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VIcek, J., H. Huber, H. Voggenreiter, et al. "Kinetic Powder Compaction Applying the Cold Spray Process—A Study on Parameters." 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.itsc2001p0417.

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Abstract Supersonic, two-phase flow of a gas/particle mixture directed towards a substrate may enable the deposition of "cold" particles onto a "cold" substrate under certain conditions. The method is commonly known as Cold Gas Dynamic Deposition or Cold Spray. Current research shows that copper can be deposited within a wide range of parameters and velocity regimes, whereas the deposition of other materials may involve difficulties depending on the material properties and substrate characteristics. Although particle velocity is recognized as being the key factor in the deposition of particles
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Wu, J. W., H. Y. Fang, C. H. Lee, S. H. Yoon, and H. J. Kim. "Critical and Maximum Velocities in Kinetic Spraying." In ITSC2006, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, R. S. Lima, and J. Voyer. ASM International, 2006. http://dx.doi.org/10.31399/asm.cp.itsc2006p0239.

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Abstract Critical velocity has been accepted as a characteristic property of kinetic spraying (or cold gas dynamic spraying), which works by accelerating small solid particles to supersonic velocities and then impacting them onto a substrate. However, there is a lack of information about the impact of individual particles and their deposition behavior over a large range of impact velocities. To probe into the impact behavior of the particles and to elucidate the deposition mechanism, individual particle impaction tests have been carried out. A rebound phenomenon was found to occur at a high im
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Leshchynsky, V., O. Bielousova, N. Ryashin, I. Yadroitsava, and I. Smurov. "Interface Reactions in Composite Coatings Deposited by Cold Spray and Detonation Spraying." In ITSC2011, edited by B. R. Marple, A. Agarwal, M. M. Hyland, et al. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p1145.

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Abstract Deposition of Metal Matrix Composites (MMC) has been the subject of extensive research in the recent years. The desired functional properties of a composite coating can be achieved by analyzing and controlling the major structural processes taking place during deposition. The latter are reactions at the particle-particle and particle-substrate interfaces which can be controlled by applying advanced spraying technologies. Cold Spray (CS) and Computer Controlled Detonation Spraying (CCDS) are well-proven reliable methods for deposition of composite coating. The energy (thermal and kinet
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Tapphorn, R., H. Gabel, K. Hashimoto, and T. Crowe. "Kinetic Metallization of Interior Diameter Bores." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0311.

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Abstract The Kinetic Metallization (KM) process allows the coating and dimensional restoration of interior diameter (ID) surfaces. It is a low temperature, low pressure, solid-state deposition process that is compliant with the recent MIL-STD-3021 cold spray materials deposition standard. The unique attribute of preheating powder particles to enhance ductility within the Kinetic Metallization process allows for high quality coating deposition onto the inner diameter of small-bore components using very short sonic nozzles. Inovati has developed a KM ID Spray Gun that can deposit a coating norma
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Cherigui, M., N. Fenineche, H. Liao, C. Coddet, W. Li, and V. Ji. "Cold Spraying Technique to Process Nanomagnetic Coatings." In ITSC2008, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2008. http://dx.doi.org/10.31399/asm.cp.itsc2008p1108.

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Abstract The cold gas dynamic spray process, or cold spraying (CS), represents a radical departure from conventional thermal spray (TS) methods in that the deposition process relies purely on kinetic energy rather than on a combination of thermal and kinetic components. A potential advantage of this process over TS is the ability to generate dense coatings retaining initial material chemistry and phase composition with a very little oxidation. Also, low temperature process (no bulk particle melting) eliminates solidification stresses and enables thicker coatings. However, hard brittle material
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Celeste, Geoffrey, Vincent Guipont, and Djamel Missoum-Benziane. "Investigation of Agglomerated and Porous Ceramic Powders Suitable for Cold Spray." In ITSC2021, edited by F. Azarmi, X. Chen, J. Cizek, et al. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.itsc2021p0139.

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Abstract Cold gas spraying is a solid-state deposition process developed for metallic powders as feedstock materials. For ceramic materials; such low temperature-high velocity kinetic process is still questionable but could have interesting advantages. In the CERASOL project (ANR-19-CE08-0009); the nature and the architecture of porous ceramic powders involving agglomerated sub-micrometric grains are investigated. To that purpose; three oxide ceramics powders (alumina; zirconia and yttria) have been prepared for cold spray. These powders were analyzed in order to assess their architecture (com
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Abubakar, Abba A., Abul Fazal M. Arif, Syed S. Akhtar, and Khaled S. Al-Athel. "A Physics-Based Computational Model for the Cold Spray Deposition of Composite Coatings." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-92144.

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Abstract Composite coatings with tailored properties can be effectively deposited with the cold spray process via careful control of deposition parameters. To avoid repetitive experiments, numerical models are commonly used to optimize the cold spray deposition process parameters. The present study proposes using a physics-based hybrid computational approach to model the cold spray deposition of Ni-Ti/Al2O3 composite coating used for wear applications. The method involves using point cloud (for the impacting particles) and finite elements (for the deformed splats structures and substrate) to s
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Singhal, Chirag, and Qasim Murtaza. "Numerical Study Using Nano-Particles by Varying the Expansion Ratio and Height of Cold Spray Nozzle to Predict Deposition Efficiency." In ITSC2018, edited by F. Azarmi, K. Balani, H. Li, et al. ASM International, 2018. http://dx.doi.org/10.31399/asm.cp.itsc2018p0286.

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Abstract The coatings of zinc and its alloys are broadly used to prevent the rusting of substrate surfaces such as steel. Cold gas dynamic spray (CGDS) is an innovative coating technique in which the deposition of solid powder particles depends upon the kinetic energy of the particles rather than thermal energy. Therefore, application of cold spray is to provide superior rust resistance by depositing more materials, formation of passivation layer, and cathodic protection. In this study, numerical investigations on zinc micro and nano size particles in CGDS were carried out. The height of the i
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Reports on the topic "Cold kinetic deposition"

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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, 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 tes
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