[G] Mechanical Properties of Materials and Sturucture

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[167] Investigation of grain size dependence of activated deformation mechanisms in extruded AZ31 alloy

○DAICHI Tanaka¹, TSUYOSHI Mayama², TAKAO Tsumuraya², WU Gong³, TAKURO Kawasaki³, STEFANUS Harjo³ (1. Graduate School, Kumamoto Univ., 2. Kumamoto Univ., 3. JAEA)

Keywords:

Mg alloy,Grain size,In-situ neutron diffraction,Crystal plasticity,Finite element method

Grain size dependence of deformation behavior was investigated by　quantitatively evaluating deformation mechanism activity using the crystal plasticity finite element method based on in-situ neutron diffraction data for AZ31 alloys with different grain sizes extruded at 350℃ and 200℃.