The influence of thallium additives on the kinetics of oxidation of the Zn22Al alloy

The influence of thallium additives on the kinetics of oxidation of the Zn22Al alloy

Автор: Sharipov Jamshed H., Hakimov Iskandar B., Obidov Ziyodullo R.

Журнал: Журнал Сибирского федерального университета. Серия: Техника и технологии @technologies-sfu

Рубрика: Исследования. Проектирование. Опыт эксплуатации

Статья в выпуске: 3 т.16, 2023 года.

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The article presents the results of a thermogravimetrical study of the effect of thallium alloying additives on the oxidation kinetics of the Zn22Al alloy. Established in the temperature range of 473-623 K the kinetic and energy parameters of the oxidation of alloys. The oxidation of alloys proceeds according to the hyperbolic mechanism and has the order of 10-4 kg∙m-2∙sec-1. Higher activation energies indicate that the oxidation of these alloy samples results in the formation of oxide films with good protective properties. Additives of thallium in amounts of 0.01-1.0 wt.% contribute to a decrease in the oxidizability of the Zn22Al alloy. The resulting products during the oxidation of the studied alloys consist of a mixture of oxides ZnO, ZnAl2O4, Al2O3, Tl2O3.

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Zn22al alloy, thallium, thermogravimetrical method, oxidation rate, activation energy

Короткий адрес: https://sciup.org/146282634

IDR: 146282634

Список литературы The influence of thallium additives on the kinetics of oxidation of the Zn22Al alloy

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