Conclusions
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1.
With increasing precipitation time, the particle size of the powder decreases in accordance with a linear law, but the particle coarsening is not proportional to the weight gain of specimens.
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2.
The dependence of powder particle size on vapor concentration in the starting mixture over the evaporation-temperature range investigated also obeys a linear relationship.
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3.
With rise in condensation temperature, the powder becomes finer in accordance with an exponential law.
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4.
The presence of an oxidizing agent in the gas does not lead to powder comminution with rise in condensation temperature.
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5.
The particle size of the metal being precipitated varies depending on the nature of the inert gas: it is smaller in argon than in helium.
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Literature cited
A. S. Mikulinskii, I. V. Frishberg, and G. I. Belyaeva, Poroshkovaya Met., No. 5 (1963).
I. V. Frishberg, Tr. Inst. Met., No. 11 (1966).
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Translated from Poroshkovaya Metallurgiya, No. 7 (67), pp. 12–18, July, 1968.
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Frishberg, I.V., Mikulinskii, A.S. Dependence of powder particle size on condensation conditions, determined on the example of metallic magnesium. Powder Metall Met Ceram 7, 517–522 (1968). https://doi.org/10.1007/BF00774696
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DOI: https://doi.org/10.1007/BF00774696