[G] Aqueous Corrosion and High Temperature Corrosion Performance/High Temperature Oxidation and Corrosion

[143] Effects of Microstructure on the Oxidation Behavior of Ni–Fe–Cr–Nb alloys at 800°C

*Yenling KUO¹, Shigenari Hayashi¹, Koji Kakehi² (1. Hokkaido Univ., 2. Tokyo Metropolitan Univ)

Keywords:Al effect、Cr₂O₃ scale、Alloy718

In this study, Ni–18Fe–19Cr–5Nb alloys with different Al contents were studied in two variations: “as-received” and “aged” to elucidate the mechanism of Al additions.