Role of the Diffusion of Products of Redox Reactions in the Processes of Corrosion of Amorphous Aluminum Alloys

被引：0
|
作者：
Hertsyk, O. M. [1 ]
Khrushchyk, Kh, I [2 ]
Kovbuz, M. O. [1 ]
Nosenko, V. K. [1 ]
Kornii, S. A. [3 ]
Pandiak, N. L. [4 ]
机构：
[1] Natl Acad Sci Ukraine, Karpenko Physicomech Inst, Lvov, Ukraine
[2] Natl Acad Sci Ukraine, Kurdyumov Inst Met Phys, Kiev, Ukraine
[3] Natl Acad Sci Ukraine, Karpenko Physicomech Inst, Kiev, Ukraine
[4] Natl Forestry Univ Ukraine, Lvov, Ukraine
来源：
MATERIALS SCIENCE | 2022年 / 57卷 / 04期
关键词：
amorphous metallic alloy; corrosion resistance; electrochemical characteristics; diffusion coefficient;
D O I：
10.1007/s11003-022-00575-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By the method of cyclic voltammetry, we study the corrosion resistance of amorphous and crystalline Al87Ni8Y5 alloys in a 0.5 M aqueous NaCl solution for different sweep rates of potential of the electrode surface (10, 20, 50, and 100 mV/sec). We find the electrochemical characteristics of crystalline Al, Ni, and Y in solutions of sodium chloride. The diffusion coefficients of Al3+ and Ni2+ ions are determined. It is shown that the alloys are ionized in this solution in three stages and the diffusion rate of Al3+ from the near-electrode layer is lower than for Ni2+ ions.
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页码：533 / 538
页数：6
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