Alloy 22 (N06022) has been extensively tested for general and localized corrosion behavior both in the wrought annealed condition and in the as-welded condition. In general, the specimens for laboratory testing are mostly prepared from flat plates of material. It is important to determine if the process of fabricating a container will affect the corrosion performance of this alloy. Thus, specimens for corrosion testing were prepared directly from a fabricated full-diameter Alloy 22 container. Results show that both the anodic corrosion behavior and the localized corrosion resistance of specimens prepared from a welded container were the same as those from flat welded plates.

Issue Section:
Research Papers
Keywords:
alloys, containers, corrosion resistance, corrosion testing, welding, N06022, container fabrication, welding, corrosion rate, repassivation potential
Topics:
Alloys, Containers, Corrosion, Polarization (Electricity), Polarization (Light), Polarization (Waves), Testing
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 by American Society of Mechanical Engineers
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