Comparative study of the effect of lanthanum and scandium additives on anodic characteristics of AK1 alloy based on special-purity aluminum

Comparative study of the effect of lanthanum and scandium additives on anodic characteristics of... Potentiostatic method was used to study the corrosion-electrochemical properties in a 3% NaCl electrolyte of an AK1 alloy modified with lanthanum and scandium. It was found that the lanthanum and scandium additives positively affect the corrosion resistance of the AK1 alloy in the NaCl electrolyte. For example, the additives reduce the anodic corrosion rate of the alloy by 3.6 × 10–4 to 0.97 × 10–4 g m–2 h–1. Upon alloying of the alloy, the pitting and corrosion potentials are shifted into the positive region, which indicates that alloys containing lanthanum and scandium become more pitting corrosion resistant. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Comparative study of the effect of lanthanum and scandium additives on anodic characteristics of AK1 alloy based on special-purity aluminum

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215060105
Publisher site
See Article on Publisher Site

Abstract

Potentiostatic method was used to study the corrosion-electrochemical properties in a 3% NaCl electrolyte of an AK1 alloy modified with lanthanum and scandium. It was found that the lanthanum and scandium additives positively affect the corrosion resistance of the AK1 alloy in the NaCl electrolyte. For example, the additives reduce the anodic corrosion rate of the alloy by 3.6 × 10–4 to 0.97 × 10–4 g m–2 h–1. Upon alloying of the alloy, the pitting and corrosion potentials are shifted into the positive region, which indicates that alloys containing lanthanum and scandium become more pitting corrosion resistant.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Sep 30, 2015

References

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