Kinetics of Oxidation of Aluminum Conduct Alloy AlTi0.1 with Calcium in the Solid State

被引:0
|
作者
Ganiev, I. N. [1 ]
Faizulloev, R. J. [2 ]
Zokirov, F. Sh. [1 ]
Makhmadizoda, M. M. [1 ]
机构
[1] Tajik Tech Univ, Dushanbe 734042, Tajikistan
[2] Tajikistan Inst Energy, Dushanbe, Tajikistan
关键词
aluminum alloy AlTi0.1; calcium; thermogravimetric method; oxidation kinetics; true oxidation rate; oxidation activation energy;
D O I
10.1134/S0036024424010060
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The solution to many problems of modern technology involves the use of materials with high oxidation resistance. Therefore, the study of the reaction of oxygen with metals and alloys has acquired great importance due to the recent widespread use in various fields of science and technology of new materials with special physical and chemical properties. In this series, a special place is given to aluminum alloys with various additives. The paper presents the results of a thermogravimetric study of the reaction of aluminum conductor alloy AlTi0.1 (Al + 0.1 wt % Ti) containing calcium with air oxygen in the range of 723<bold>-</bold>823 K, in the solid state. The kinetic parameters of the oxidation process have been determined. It has been shown that calcium additions up to 0.5 wt % increase the oxidation rate of the aluminum conductor alloy AlTi0.1, which is accompanied by a decrease in the apparent activation energy of the oxidation process from 140.0 to 120.1 kJ/mol. The oxidation process of alloys obeys a hyperbolic equation.
引用
收藏
页码:78 / 86
页数:9
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