INFLUENCE OF LEAD ADDITIVES ON THE ANODIC BEHAVIOR OF THE CONDUCTOR ALUMINUM ALLOY E-AlMgSi («aldrey»), IN THE ENVIRONMENT OF NaCl ELECTROLYTE

Ганиев, И. Н.; Abulakov, A. P.; Dzhayloev, J. H.; Ганиева, Н. И.; Yakubov, U. Sh.

doi:10.46418/2079-8199_2020_2_18

Vestnik Sankt-Peterburgskogo Gosudarstvennogo Universiteta Tekhnologii I Dizaina. Seriya 1: Estestvennye I Tekhnicheskie Nauki

2020

DOI: 10.46418/2079-8199_2020_2_18

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INFLUENCE OF LEAD ADDITIVES ON THE ANODIC BEHAVIOR OF THE CONDUCTOR ALUMINUM ALLOY E-AlMgSi («aldrey»), IN THE ENVIRONMENT OF NaCl ELECTROLYTE

И. Н. Ганиев

A. P. Abulakov²,

J. H. Dzhayloev

et al.

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Cited by 3 publications

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Effect of calcium additives on the anodic behavior of the conductive aluminum alloy E-AlMgSi (Aldrey) in the medium of the NaCl electrolyte

Ганиев

Jayloev

J.³

et al. 2022

Izv. vysš. učebn. zaved., Mater. èlektron. teh.

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When creating new materials designed to work in particularly harsh conditions, the task of giving them corrosion resistance arises, the practical solution of which is associated with the level of knowledge in the field of high-temperature oxidation of metals and alloys. When using conductive aluminum alloys for the manufacture of thin wire, for example, winding wire, etc., certain difficulties may arise due to their insufficient strength and a small number of kinks before failure. In recent years, aluminum alloys have been developed, which even in a soft state have strength characteristics that allow them to be used as a conductor material. One of the conductive aluminum alloys is the E-AlMgSi alloy (Aldrey), which refers to thermally strengthened alloys. It is characterized by high strength and good ductility. This alloy under appropriate heat treatment acquires high electrical conductivity. The wires made from it are used almost exclusively for overhead power lines.The results of the study of the anodic behavior of the aluminum conductor alloy E-AlMgSi (Aldrey) with calcium, in an electrolyte medium of 0.03; 0.3 and 3.0% NaCl are presented. Corrosion-electrochemical study of alloys was carried out by the potentiostatic method on the PI-5.0-1.1 potentiostat at a potential sweep rate of 2 mV/s. It is shown that alloying the aluminum alloy E-AlMgSi (Aldrey) with calcium increases its corrosion resistance by 20%. The potentials of corrosion, pitting and repassivation of alloys during doping with calcium are shifted to the positive range of values, and from the concentration of sodium chloride in the negative direction of the ordinate axis.

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Effect of calcium additives on the anodic behavior of the conductive aluminum alloy E-AlMgSi (Aldrey) in the medium of the NaCl electrolyte

Ганиев

Jayloev

J.³

et al. 2022

Izv. vysš. učebn. zaved., Mater. èlektron. teh.

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Effect of calcium doping on the anodic behavior of E-AlMgSi (Aldrey) conducting aluminum alloy in NaCl electrolyte medium

Ганиев¹,

Jayloev²,

J.³

et al. 2023

MoEM

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The design of new materials intended for operation under severe conditions faces the task of rendering the materials corrosion resistant. The practical solution of this task is interrelated with the knowledge of corrosion protection of metals and alloys. The use of conducting aluminum alloys for the manufacture of thin wire may encounter specific problems. This is caused by the insufficient strength of these alloys and a small number of kinks before fracture. Aluminum alloys have been developed in recent years which even in a soft state have strength characteristics that allow them to be used as a conductive material. The E-AlMgSi (Aldrey) aluminum alloy is a well-known conducting alloy. This alloy is a heat-strengthened one, possessing good plasticity and high strength. After appropriate heat treatment this alloy acquires high electrical conductivity. Wires made from this alloy are almost exclusively used for air transmission lines. This work presents data on the corrosion behavior of calcium containing E-AlMgSi (Aldrey) aluminum conducting alloy in 0.03, 0.3 and 3.0% NaCl electrolyte medium. The anodic behavior of the alloy has been studied using a potentiostatic technique with a PI-50-1.1 potentiostat at a 2 mV/s potential sweep rate. Calcium doping of the E-AlMgSi (Aldrey) aluminum alloy increases its corrosion resistance by 15–20%. The corrosion, pitting and repassivation potentials of calcium doped alloys shift toward the positive region. An increase in the sodium chloride electrolyte concentration leads to a decrease in these potentials.

show abstract

Effect of calcium doping on the anodic behavior of E-AlMgSi (Aldrey) conducting aluminum alloy in NaCl electrolyte medium

Ганиев¹,

Jayloev²,

J.³

et al. 2023

MoEM

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INFLUENCE OF LEAD ADDITIVES ON THE ANODIC BEHAVIOR OF THE CONDUCTOR ALUMINUM ALLOY E-AlMgSi («aldrey»), IN THE ENVIRONMENT OF NaCl ELECTROLYTE

Cited by 3 publications

References 0 publications

Effect of calcium additives on the anodic behavior of the conductive aluminum alloy E-AlMgSi (Aldrey) in the medium of the NaCl electrolyte

Effect of calcium additives on the anodic behavior of the conductive aluminum alloy E-AlMgSi (Aldrey) in the medium of the NaCl electrolyte

Effect of calcium doping on the anodic behavior of E-AlMgSi (Aldrey) conducting aluminum alloy in NaCl electrolyte medium

Effect of calcium doping on the anodic behavior of E-AlMgSi (Aldrey) conducting aluminum alloy in NaCl electrolyte medium

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