Research on dynamics of energy-intensive mill lining with mechanical activation of silicon powder
https://doi.org/10.17073/1997-308X-2016-2-4-8
Abstract
The paper presents an experimental study of lining the energy-intensive planetary mill internal surfaces with silicon powder. The experimental dependences were determined for the amount of grinded material used for lining on the time of mechanical activation (MA). The lining speed constant was defined in two ways for short and long duration MA using analytical formulae and experimental results obtained with the inverse problem method. The first one was based on the analysis of experimental curves describing the lining dynamics with the least square method. The second one suggested the constant value measurement according to the tangent of the angle between the X-axis and the straight lines that approximate the experimental curves at the initial period of grinder operation. It was found that the increase in MA duration led to deceleration of mill lining with silicon powder. It was also found that the value of the lining speed constant lowered as the MA time increased. Therefore, the theoretical calculations adequately fit to experimental data.
About the Authors
O. V. Lapshin
Tomsk Science Centre, Tomsk Division, Russian Academy Sciences
Russian Federation
Dr. Sci. (Phys.-Math.), Senior Staff Scientist, Department for structural macrokinetics, 634021, Tomsk, Akademicheski pr., 10\3
Russian Federation
Dr. Sci. (Phys.-Math.), Senior Staff Scientist, Department for structural macrokinetics, 634021, Tomsk, Akademicheski pr., 10\3
O. A. Shkoda
Tomsk Science Centre, Tomsk Division, Russian Academy Sciences
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Senior Staff Scientist, Department for structural macrokinetics,
634021, Tomsk, Akademicheski pr., 10\3
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Review
For citations:
Lapshin O.V., Shkoda O.A. Research on dynamics of energy-intensive mill lining with mechanical activation of silicon powder. Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya). 2016;(2):4-8. (In Russ.) https://doi.org/10.17073/1997-308X-2016-2-4-8
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