A virtual instrument for quantitative assessment of pitting corrosion
Author:
Ramos I.R.,Valdez S.B.,Zlatev K.R.,Schorr W.M,Carrillo B.M.,Stoytcheva M.S.,Garcia I.R.,Martinez M.M.
Abstract
Purpose
– The purpose of this investigation was to develop a digital instrument for the quantitative evaluation of pitting corrosion in metals.
Design/methodology/approach
– This investigation comprised two central parts: research, testing and monitoring of the formation of pitting by conventional methods and applying American Society for Testing and Materials (ASTM) Standards, and the development of a virtual instrument based on the LabVIEW 2010 platform.
Findings
– The methodology used was suitable for the analysis of pitting on carbon steel and aluminum alloy UNS A96061, used in the aerospace industry.
Practical implications
– This technique allows pits to be to localized, measured and quantified on metallic surfaces, for corrosion evaluation in atmospheric and industrial environments.
Originality/value
– This combination of conventional and digital methods can assist in corrosion control of pitting in industrial equipment.
Subject
General Materials Science,General Chemical Engineering
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