Research on structure and technological parameters of multi-channel cold spraying nozzle

Cold spraying technology is a method to obtain coating by the high-speed collision of particles with the substrate through supersonic (300–1200 m/s) propulsion gas. The deposition process is mainly mechanical bonding, which has attracted more and more attention in engineering applications. The criti...

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Autores principales:	Wenjie Hu, Kun Tan, Sergii Markovych, Tingting Cao
Formato:	article
Lenguaje:	EN RU UK
Publicado:	PC Technology Center 2021
Materias:	сold spraying technology multi-channel nozzle particle trajectory particle collision critical velocity Technology (General) T1-995 Industry HD2321-4730.9
Acceso en línea:	https://doaj.org/article/74b32d8575fe47378175c5c3a6069896
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id	oai:doaj.org-article:74b32d8575fe47378175c5c3a6069896
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spelling	oai:doaj.org-article:74b32d8575fe47378175c5c3a60698962021-11-04T14:05:19ZResearch on structure and technological parameters of multi-channel cold spraying nozzle1729-37741729-406110.15587/1729-4061.2021.242707https://doaj.org/article/74b32d8575fe47378175c5c3a60698962021-10-01T00:00:00Zhttp://journals.uran.ua/eejet/article/view/242707https://doaj.org/toc/1729-3774https://doaj.org/toc/1729-4061Cold spraying technology is a method to obtain coating by the high-speed collision of particles with the substrate through supersonic (300–1200 m/s) propulsion gas. The deposition process is mainly mechanical bonding, which has attracted more and more attention in engineering applications. The critical component of a cold spraying system is the nozzle. The performance of the nozzle directly affects the quality of the material surface coating. Therefore, the discussion of the nozzle is of great significance. At present, there are many examples of cold spraying single-channel nozzles in engineering, but there are few reports about multi-channel cold spraying nozzles. This paper explores and studies the multi-channel cold spraying nozzle, designs a special three internal channel nozzle, and adopts a 90° angle in the divergent section of the nozzle. When spraying in a small area, the nozzle with angle has apparent advantages for spraying more areas. The powder injection pressure, particle size, recovery coefficient, and internal channel position are analyzed, which affect the particle trajectory. Combined with these factors, the multi-channel nozzle is optimized and improved to solve the problem of particle collision with the inner wall of the nozzle. Finally, the technological parameters of aluminum, titanium, copper, nickel, magnesium, and zinc powders are preliminarily studied using the multi-channel nozzle. The results show that the multi-channel nozzle meets the critical velocity requirements of copper, magnesium, and zinc powder spraying in the homogeneous (powder and matrix are the same material) and aluminum powder spraying in the case of heterogeneous (powder and matrix are different materials), the multi-channel nozzle has a sound engineering application prospect and provides a specific reference for relevant technicians.Wenjie HuKun TanSergii MarkovychTingting CaoPC Technology Centerarticleсold spraying technologymulti-channel nozzleparticle trajectoryparticle collisioncritical velocityTechnology (General)T1-995IndustryHD2321-4730.9ENRUUKEastern-European Journal of Enterprise Technologies, Vol 5, Iss 1(113), Pp 6-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN RU UK
topic	сold spraying technology multi-channel nozzle particle trajectory particle collision critical velocity Technology (General) T1-995 Industry HD2321-4730.9
spellingShingle	сold spraying technology multi-channel nozzle particle trajectory particle collision critical velocity Technology (General) T1-995 Industry HD2321-4730.9 Wenjie Hu Kun Tan Sergii Markovych Tingting Cao Research on structure and technological parameters of multi-channel cold spraying nozzle
description	Cold spraying technology is a method to obtain coating by the high-speed collision of particles with the substrate through supersonic (300–1200 m/s) propulsion gas. The deposition process is mainly mechanical bonding, which has attracted more and more attention in engineering applications. The critical component of a cold spraying system is the nozzle. The performance of the nozzle directly affects the quality of the material surface coating. Therefore, the discussion of the nozzle is of great significance. At present, there are many examples of cold spraying single-channel nozzles in engineering, but there are few reports about multi-channel cold spraying nozzles. This paper explores and studies the multi-channel cold spraying nozzle, designs a special three internal channel nozzle, and adopts a 90° angle in the divergent section of the nozzle. When spraying in a small area, the nozzle with angle has apparent advantages for spraying more areas. The powder injection pressure, particle size, recovery coefficient, and internal channel position are analyzed, which affect the particle trajectory. Combined with these factors, the multi-channel nozzle is optimized and improved to solve the problem of particle collision with the inner wall of the nozzle. Finally, the technological parameters of aluminum, titanium, copper, nickel, magnesium, and zinc powders are preliminarily studied using the multi-channel nozzle. The results show that the multi-channel nozzle meets the critical velocity requirements of copper, magnesium, and zinc powder spraying in the homogeneous (powder and matrix are the same material) and aluminum powder spraying in the case of heterogeneous (powder and matrix are different materials), the multi-channel nozzle has a sound engineering application prospect and provides a specific reference for relevant technicians.
format	article
author	Wenjie Hu Kun Tan Sergii Markovych Tingting Cao
author_facet	Wenjie Hu Kun Tan Sergii Markovych Tingting Cao
author_sort	Wenjie Hu
title	Research on structure and technological parameters of multi-channel cold spraying nozzle
title_short	Research on structure and technological parameters of multi-channel cold spraying nozzle
title_full	Research on structure and technological parameters of multi-channel cold spraying nozzle
title_fullStr	Research on structure and technological parameters of multi-channel cold spraying nozzle
title_full_unstemmed	Research on structure and technological parameters of multi-channel cold spraying nozzle
title_sort	research on structure and technological parameters of multi-channel cold spraying nozzle
publisher	PC Technology Center
publishDate	2021
url	https://doaj.org/article/74b32d8575fe47378175c5c3a6069896
work_keys_str_mv	AT wenjiehu researchonstructureandtechnologicalparametersofmultichannelcoldsprayingnozzle AT kuntan researchonstructureandtechnologicalparametersofmultichannelcoldsprayingnozzle AT sergiimarkovych researchonstructureandtechnologicalparametersofmultichannelcoldsprayingnozzle AT tingtingcao researchonstructureandtechnologicalparametersofmultichannelcoldsprayingnozzle
_version_	1718444909088735232

Research on structure and technological parameters of multi-channel cold spraying nozzle

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