[P] P185~P198

[P192] Excellent combination of strength and ductility of ultrafine-grained stainless steel at cryogenic temperatures studied by in situ neutron diffraction

*Wenqi MAO¹, Si Gao², Wu Gong¹, Stefanus Harjo¹, Takuro Kawasaki¹ (1. JAEA, 2. Kyoto university)

Keywords:In situ neutron diffraction、Ultrafine grain、Austenitic stainless steel、Cryogenic deformation

In this study, we demonstrate that ultrafine-grained 304 austenitic stainless steel has excellent cryogenic mechanical properties and exhibits the best performance at 77 K.