Contribution to the development of accident tolerant fuels (ATF)

We are contributing to material development by conducting various material property tests on accident tolerant fuel (ATF), which suppresses oxidation and hydrogen generation caused by steam in the event of an accident.

Cr-coated Zr alloy cladding tube
Cr-coated Zr alloy cladding tube (no fracture during quenching)
Zr alloy cladding tube
Zr alloy cladding tube (fractured during quenching)

Appearance photographs of cladding tube after LOCA(Note) test

  • Loss of Coolant Accident