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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Drehmann, Rico
Chemnitz University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Forming Behavior of Additively Manufactured Al/Ti Material Compounds Produced by Cold Sprayingcitations
- 2023Effects of Plasma-Related Input Parameters on Fluctuation and Coating Characteristics in APS—Towards a Transdisciplinary Integration of Technical Assessments and Human Knowledge-Driven Evaluations
- 2023Forming Behaviour of Additively Manufactured Al/Ti Material Compounds Produced by Cold Sprayingcitations
- 2022Characterization of the Microstructure, Mechanical Properties and Corrosion Behaviour of Submicron WC-12Co Coatings Produced by CGS and HVAF Compared with Sintered Bulk Material
- 2022Development of Multi-Material-Joint Made of Copper-Coated FRP and Steel by Innovative Technology Fusioncitations
- 2021Experimental and Numerical Investigations into Magnetic Pulse Welding of Aluminum Alloy 6016 to Hardened Steel 22MnB5citations
- 2021Enhancement of the adhesion of wire arc sprayed coatings on carbon fiber-reinforced plastic by surface laser structuringcitations
- 2021Low Temperature Soldering of Laser Structured and Metal Coated Fiber Reinforced Plastics
- 2021Changes in the Coating Composition Due to APS Process Conditions for Al2O3-Cr2O3-TiO2 Ternary Powder Blendscitations
- 2017Local heteroepitaxy as an adhesion mechanism in aluminium coatings cold gas sprayed on AlN substratescitations
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document
Effects of Plasma-Related Input Parameters on Fluctuation and Coating Characteristics in APS—Towards a Transdisciplinary Integration of Technical Assessments and Human Knowledge-Driven Evaluations
Abstract
<jats:title>Abstract</jats:title><jats:p>Atmospheric plasma spraying (APS) is characterized by complex interactions between input, process and output variables. Process control relies heavily on human expert knowledge and experience. Process diagnostics can provide additional information to the operator and support cognitive processes in task execution. When using non-cascaded torch systems, significant plasma fluctuations occur, affecting the coating quality. High-frequency fluctuations can only be detected by suitable diagnostic systems and interpreted by experienced APS operators. In this study, the state of the plasma jet (area, fluctuation) is investigated depending on total plasma gas flow rate (50 vs. 65 l/min) and the H2 content of plasma gases (17, 20 and 23 vol. %) using high-speed camera pictures. To evaluate plasma fluctuation effects, particle temperature and velocity as well as resulting coating properties (thickness and porosity) are determined for two ceramic systems. The results show that fluctuations of the plasma jet have a significant effect on the particle state and coating quality. The use of a high-speed camera to evaluate the stability of the plasma jet is an attractive method that, when properly integrated, has the potential to provide the human operator with important information to allow rapid assessment of input parameters or the condition of the plasma torch.</jats:p>