The Nature of Aluminum Destruction at Neutral Mediums with Different Anion Composition

Autor: Tatiana Borisenkova, Svetlana Kaluzhina
Rok vydání: 2009
Předmět:
Zdroj: ECS Transactions. 16:179-185
ISSN: 1938-6737
1938-5862
DOI: 10.1149/1.3114959
Popis: The comparative data about aluminum anodic behavior in series of electrolytes (рН=5,3-6,3) with different anion composition (Na2SO4, КNO3, NaCl) at room temperature was analyzed. It was established the analogy of aluminum anodic behavior in mediums with SO42- and NO3- -ions additives where metal was in a passive state, but the aggressive action Cl--ions due to local activation of aluminum. The obtained experimental results were interpreted according to modern theories of competitive adsorption and nucleophilic substitution.
Databáze: OpenAIRE