2019 Annual Meeting

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Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 502-1 Nuclear Materials, Degradation, Radiation Effects, and Related Technology

[1M08-13] Radiation Effect

Wed. Mar 20, 2019 2:45 PM - 4:20 PM Room M (Common Education Bildg. 2 3F No.37)

Chair:Katsuhiko Fujii(INSS)

3:30 PM - 3:45 PM

[1M11] Study on micromechanics in duplex stainless steels for long term operation of nuclear power plants

*VIET QUOC HA1, KENTA MURAKAMI1, MASAHIDE SUZUKI1 (1. Nagaoka University of Technology)

Keywords:Duplex Stainless Steels, Thermal Ageing , Irradiation , Nanoindentation

In this study, to develop more universal degradation model for DSSs, the effects of thermal ageing and irradiation on microscopic hardness in both ferrite and austenite in various DSSs following thermal ageing or irradiation is carefully examined using nanoindentation technique.The ralationship between macroscopic and microscopic hardness of samples, the microscopic hardness of materials has been expected.