Abstract
Selected corrosion behaviors of a Cu0.5NiAlCoCrFeSi bulk glassy alloy like electrochemical corrosion potential (ECP), potentiodynamic polarization, and weight loss were investigated in 288 °C high-purity water. The change of ECP with dissolved oxygen showed a sigmoid curve. The Cu0.5NiAlCoCrFeSi alloy exhibited a wide passive region and the passive current density was ∼2 × 10−4 A/cm2 in deaerated 288 °C water containing 0.01 N sodium sulfate. A low weight loss of ∼4.5 μg/mm2 was found for the Cu0.5NiAlCoCrFeSi alloy after immersion in deaerated 288 °C water for 12 weeks.
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