Lecture(Vol.51 No.6 pp.701)

Materials Science Toward "Super-" and "Ultra-" High Temperature Technologies ‡U:Materials and Ultra Long Term Elevated Temperature Strength for Ultra Super Critical Energy Components

Yoshiatsu SAWARAGI and Fujio ABE

Key Words:Ultra super critical, Boiler, Heat resistant steel, Austenitic steel, Ferritic steel, Elevated temperature, Creep, Strengthening mechanism