Influence of Duty Parameters and Design of Ejection Nozzle on Characterizes of Aluminum’s Dispersed Powder Part I. Influence of Duty Parameters of Nozzle
https://doi.org/10.17073/1997-308X-2014-4-8-12
Abstract
There were presented results of analysis regard to influence of duty parameters of ejection nozzle on characteristics of highly dispersed powder of alu- minum under the conditions of production of enterprise LLC «SUAL-PM». There were conducted measurements of dispersed indices of spray product under condition of aluminum melt spraying by ejection nozzle at various flow rate and temperature of atomizing gas, consequently, at the range of 0,17–0,21 m3/s and 873–933 K, as well as temperature of melt in the range of 1153–1253 K. There were presented results of medium particle diame- ter determination (dm) and content of highly dispersed fraction (z) (with particles diameter ≤ 10 μm) in spray product. There was showed that under modification of duty parameters of nozzle value of dm is decreasing by 3,7–12,4 %, and value of z is increasing by 0,4–3,2 %. There was established that most effective factor influencing on powder properties, is increasing of temperature of atomizing gas.
About the Authors
V. A. ArkhipovRussian Federation
M. Ya. Evsevleyev
Russian Federation
I. K. Zharova
Russian Federation
A. S. Zhukov
Russian Federation
S. V. Zmanovsky
Russian Federation
E. A. Kozlov
Russian Federation
A. I. Konovalenko
Russian Federation
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Review
For citations:
Arkhipov V.A., Evsevleyev M.Ya., Zharova I.K., Zhukov A.S., Zmanovsky S.V., Kozlov E.A., Konovalenko A.I. Influence of Duty Parameters and Design of Ejection Nozzle on Characterizes of Aluminum’s Dispersed Powder Part I. Influence of Duty Parameters of Nozzle. Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya). 2014;(4):8-12. (In Russ.) https://doi.org/10.17073/1997-308X-2014-4-8-12