Granulometry of metal micropowders treated in a planetary-type ball mill

Авторы: Savenko V.I., Klyuev V.A., Malkin A.I.
Журнал: Colloid Journal
Том: 84
Номер: 1
Год издания: 2022
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 81
Последняя страница: 92
DOI: 10.1134/S1061933X22010112
Аннотация: Abstract—Industrial micropowders of metals (aluminum, tungsten, hafnium, nickel, titanium, and zirconium)and a semimetal (amorphous boron) have been mechanically treated in a planetary-type ball mill for different time periods. The integral and differential particle size distribution functions have been experimentally determined for all micropowders before and after the mechanical treatment. It has been shown that, in all cases under consideration, the found distribution functions can be represented in a lognormal form. The most informative statistical characteristics (moments) have been determined for the obtained distribution functions. The time correlations of these characteristics have been analyzed. A mathematical ansatz-model has been proposed for the process of multicycle mechanical treatment of metal powders in planetary-typemills. The model enables one to adequately describe the time evolution of the statistical characteristics for an ensemble of micropowder particles.
Добавил в систему: Савенко Владислав Ильич

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