Empirical relationship for predicting the corrosion behaviour of AA2024 friction stir welds

Salt spray experiments in NaCl solution at various pH values, chloride ion concentrations, and exposure times were used to assess the specimens corrosion resistance. Furthermore, an empirical correlation be created to forecast the corrosion rate of aluminium alloy AA2024 friction stir welds. The cor...

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Main Authors: Seetharaman, R., Seeman, M., Sivaraj, P., Venugopal, S., Jayaseelan, V.
Format: Conference Proceeding
Language:English
Subjects:
Aluminum base alloys
Chloride ions
Confidence intervals
Corrosion rate
Corrosion resistance
Friction stir welding
Ion concentration
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Seeman, M.
Sivaraj, P.
Venugopal, S.
Jayaseelan, V.
description Salt spray experiments in NaCl solution at various pH values, chloride ion concentrations, and exposure times were used to assess the specimens corrosion resistance. Furthermore, an empirical correlation be created to forecast the corrosion rate of aluminium alloy AA2024 friction stir welds. The corrosion rate of friction stir welds of aluminium alloys was estimated using the design of experiments (DOE) method, which took into account the effects of pH, spray time, and ambient chloride ion concentration. The developed empirical relationship can be used to predict the corrosion rate of FSW AA2024 aluminium alloy welds with a 95 percent confidence level. At neutral pH circumstances, the corrosion rate was found to be lower. In acidic and basic conditions, the speed increased significantly.
doi_str_mv 10.1063/5.0132666
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects Aluminum base alloys
Chloride ions
Confidence intervals
Corrosion rate
Corrosion resistance
Friction stir welding
Ion concentration
title Empirical relationship for predicting the corrosion behaviour of AA2024 friction stir welds
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