On Temporal Variations in the Granulometric Characteristicsof Binary Mixed Micropowders Treated in a Planetary-Type Ball Mill

Savenko, V.I.

Автор: Savenko V.I.
Журнал: Colloid Journal
Том: 85
Номер: 2
Год издания: 2023
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 251
Последняя страница: 264
DOI: 10.1134/S1061933X23600057
Аннотация: Integral and differential particle size distribution functions have been experimentally determinedfor two-component mixed micro powders, which contain stoichiometric amounts of polycrystalline alumi-num, nickel, and titanium, as well as amorphous boron, and have been mechanically treated in a planetary-type ball mill under different time conditions of the process. The influence of the duration of treatment of theabove mixtures on the mathematical form of the found distribution functions has been analyzed. It has beenshown that, in all considered cases, these functions can be represented in a lognormal form. The most informative statistical characteristics (moments) of these functions have been determined. The dependences ofthese characteristics on the duration of the mechanical treatment of the mixtures have been revealed. Withinthe framework of an approximation based on the use of generalized dynamic-stochastic Langevin-type equa-tions, a kinetic model has been proposed for the process of mechanical treatment of metallic and non-metallic mixed micro powders in planetary-type mills. The model makes it possible to describe, as a first approximation, the temporal evolution of the fractional composition of the mixtures during their machining, as wellas to record temporal variations of the main statistical characteristics of the corresponding distribution func-tions in this process.
Добавил в систему: Савенко Владислав Ильич

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On Temporal Variations in the Granulometric Characteristicsof Binary Mixed Micropowders Treated in a Planetary-Type Ball Millстатья Исследовательская статья

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