Investigation of structures and properties of oxide-hydroxide systems after mechanical activation

Аннотация

It has been studied Al₂O₃ and ZrO₂ with Al(OH)₃mixtures after mechanical activation in a planetary ball mill.Measurement of the specific surface by the BET method has shown that an increase of mechanical treatment time leads to an increase in the specific surface in all studied powders. In the initial states a large agglomerate of the order of 50-150 μm and isolated particles of 0.05-0.1 μm were observed. Mechanical treatment leads to fracture of agglomerates into separate particles. It has been revealed that the amount of agglomerates decreased with the increasing of the mechanical activation time, and the number of isolated particles increased. The average size of the agglomerates of Al-based powders varies in the range of 50-15 μm. In the case of powders based on ZrO₂, it varies in the range of 10-14 μm.

Язык оригинала	Английский
Номер статьи	012040
Журнал	IOP Conference Series: Materials Science and Engineering
Том	613
Номер выпуска	1
DOI	https://doi.org/10.1088/1757-899X/613/1/012040
Состояние	Опубликовано - 4 ноя 2019
Событие	5th International Conference on Competitive Materials and Technology Processes, IC-CMTP 2018 - Miskolc-Lillafured, Венгрия Продолжительность: 8 окт 2018 → 12 окт 2018

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

Доступ к документу

10.1088/1757-899X/613/1/012040

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title = "Investigation of structures and properties of oxide-hydroxide systems after mechanical activation",

abstract = "It has been studied Al2O3 and ZrO2 with Al(OH)3mixtures after mechanical activation in a planetary ball mill.Measurement of the specific surface by the BET method has shown that an increase of mechanical treatment time leads to an increase in the specific surface in all studied powders. In the initial states a large agglomerate of the order of 50-150 μm and isolated particles of 0.05-0.1 μm were observed. Mechanical treatment leads to fracture of agglomerates into separate particles. It has been revealed that the amount of agglomerates decreased with the increasing of the mechanical activation time, and the number of isolated particles increased. The average size of the agglomerates of Al-based powders varies in the range of 50-15 μm. In the case of powders based on ZrO2, it varies in the range of 10-14 μm.",

author = "Levkov, {R. V.} and Kulkov, {S. N.}",

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T1 - Investigation of structures and properties of oxide-hydroxide systems after mechanical activation

AU - Levkov, R. V.

AU - Kulkov, S. N.

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N2 - It has been studied Al2O3 and ZrO2 with Al(OH)3mixtures after mechanical activation in a planetary ball mill.Measurement of the specific surface by the BET method has shown that an increase of mechanical treatment time leads to an increase in the specific surface in all studied powders. In the initial states a large agglomerate of the order of 50-150 μm and isolated particles of 0.05-0.1 μm were observed. Mechanical treatment leads to fracture of agglomerates into separate particles. It has been revealed that the amount of agglomerates decreased with the increasing of the mechanical activation time, and the number of isolated particles increased. The average size of the agglomerates of Al-based powders varies in the range of 50-15 μm. In the case of powders based on ZrO2, it varies in the range of 10-14 μm.

AB - It has been studied Al2O3 and ZrO2 with Al(OH)3mixtures after mechanical activation in a planetary ball mill.Measurement of the specific surface by the BET method has shown that an increase of mechanical treatment time leads to an increase in the specific surface in all studied powders. In the initial states a large agglomerate of the order of 50-150 μm and isolated particles of 0.05-0.1 μm were observed. Mechanical treatment leads to fracture of agglomerates into separate particles. It has been revealed that the amount of agglomerates decreased with the increasing of the mechanical activation time, and the number of isolated particles increased. The average size of the agglomerates of Al-based powders varies in the range of 50-15 μm. In the case of powders based on ZrO2, it varies in the range of 10-14 μm.

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