[1I01-06] Fundamental property

[1I02] Application of Thermodynamics for oxidation of Fe-Cr alloy in humid environment at a high temperature

*Hiroyuki Serizawa¹, Takahito Ohawa¹, Yuji Ohishi², Yoshiyuki Nemoto¹, Keietsu Kondo¹, Shohoji Nobumitsu³, Yoshiyuki Kaji¹ (1. JAEA, 2. Osaka Univ., 3. Laboratório Nacional de Energia e Geologia, Laboratório de Energia)

Keywords:Steam, Turbine blades, Oxidation reaction, nonequilibrium, Thermodynamics, Stainless stee

A new reaction model for evaluating the activity of oxygen and hydrogen atoms of H₂O molecules is proposed. The surprisingly high value of the activity implies that the production process of volatile metal hydroxides might be reconsidered.