Abstract
This paper describres methods to study the initiation and formation of localized corrosion pits on stainless steel and aluminium samples. These methods are based on the use of a scanned probe microscope, the scanning electrochemical microscope (SECM). The SECM is specifically designed for operation in electrolyte solution and so is uniquely suited for examination of corrosion processes. SECM imaging of a corrosion pit on stainless steel is presented. In addition, the initiation of single pits on aluminium and stainless steel by using the SECM tip to electrogenerate a local source of chloride ions is described.
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More From: Colloids and Surfaces A: Physicochemical and Engineering Aspects
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