せん断Ⅰ

[628] Delayed fracture stress-criterion of pierced surface with a minute clearance evaluated by cathode-charge in-plane bending test in 1.5-GPa class press-hardening steel

*松野 崇¹, 落合 勇太², 浜 孝之³, 北條 智彦⁴, 興津 貴隆⁵, 高村 正人⁶ (1.鳥取大院, 2.鳥取大・院, 3.京大, 4.東北大, 5.本田技研, 6.理研)