Effects of Thermal Oxidation and Subsequent Pickling on Pitting Geometry of Austenitic Stainless Steels in Chloride Solutions (CROSBI ID 174814)
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Alar, Vesna ; Esih, Ivan ; Budić, Ivan
engleski
Effects of Thermal Oxidation and Subsequent Pickling on Pitting Geometry of Austenitic Stainless Steels in Chloride Solutions
Harmful effects of thermal oxides formed on austenitic stainless stels (SS) like AISI 304 and 316L heating in air or other oxidizing gases on their pitting liability in chloride solutions have been studied by pursuing geometric characteristics of corrosion process (pits density, their depths, and mouth areas, ie penetrating and superficial detrimental consequences etc.). The possibility of preventing the decay of thermally oxidized austenitic SS by chemical removal (pickling) of oxides before exposure to chloride solutions was successfully applied on simple specimens but serious difficulties arose on welded parts and on parts exposed to other temperature gradients during manufacture or in exploitation.
thermal oxidation; pickling; piting geometry; austenitic
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