Corrosion Behavior of Some Materials in 0.5M Ammonium Hydroxide Solution

  • Gina ISTRATE "Dunarea de Jos" University of Galati, Romania
  • Florentina POTECAŞU "Dunarea de Jos" University of Galati, Romania
  • Vasile BAŞLIU "Dunarea de Jos" University of Galati, Romania
Keywords: corrosion, ammonium hydroxide, penetration index

Abstract

The present work has the purpose of studying metallographic aspects and corrosion resistance of three materials used in ammonia stripping plants. The corrosion process was evaluated by gravimetric tests and potentiodynamic method. Materials tested were Al 1050 (99.5%Al), stainless steel AISI 316Ti and low alloy steel P235TR2. To determine gravimetrically the rate of penetration, samples were immersed in corrosive environment for 294 days and weighed periodically. As test solution 0.5 M ammonium hydroxide (specific for coke industry) was used in a three electrode open cell with material tested as working electrode (WE), a platinum electrode as counter electrode (CE) and an Ag/AgCl electrode as reference electrode (RE).

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Published
2013-09-15
How to Cite
1.
ISTRATE G, POTECAŞU F, BAŞLIU V. Corrosion Behavior of Some Materials in 0.5M Ammonium Hydroxide Solution. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Sep.2013 [cited 2Nov.2024];36(3):62-7. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2746
Section
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