The corrosion resistance of Alloy 22 (UNS No. N06022) was studied in 5 M CaCl2 electrolyte at various temperatures. Potentiodynamic polarization was used to examine the electrochemical behavior and measure the key potentials. Alloy 22 was found to be susceptible to localized corrosion in this high-chloride [10 M Cl−] environment at temperatures as low as 60°C.

Keywords:
Alloy 22, localized corrosion, pitting corrosion, crevice corrosion, temperature, electrochemical behavior, corrosion potential, cyclic polarization, chloride, Yucca Mountain, nuclear waste
Topics:
Alloys, Corrosion, Polarization (Electricity), Polarization (Light), Polarization (Waves), Temperature
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