[G] High Temperature Oxidation and Corrosion

[177] Effect of Fe on Corrosion Behavior of Ni20Cr-xFe Alloys in Air with NaCl-KCl-CaCl₂ Vapor at 570 °C

*Izzuddin Hubby¹, Hayashi Shigenari¹, Yoneda Suzue², Kogin Takashi³, Ishikawa Eiji⁴, Noguchi Manabu⁵ (1. Hokkaido University、2. Hokkaido Research Organization、3. Dai-ichi High Frequency Co., Ltd.、4. EBARA Environmental Plant Co., Ltd.、5. EBARA Corporation)

Keywords:High Temperature Corrosion、Oxidizing Chlorine Atmosphere、Ni-Cr Alloy、Effect of Iron、KCl-NaCl-CaCl₂ Vapor

Corrosion kinetics decreased with addition of Fe. Fe oxide was found to form above the Cr₂O₃ scale, which might minimize the chromate formation.