金属材料中低加载速率下的动态韧脆转变及断裂韧性测量1)
李一磊, 姚迪, 乔红威, 李锡华, 张鲲, 孙磊, 闫晓, 李朋洲

DYNAMIC DUCTILE-BRITTLE TRANSITION AND FRACTURE TOUGHNESS MEASUREMENT OF METAL UNDER INTERMEDIATE-LOW LOADING VELOCITIES1)
Li Yilei, Yao Di, Qiao Hongwei, Li Xihua, Zhang Kun, Sun Lei, Yan Xiao, Li Pengzhou
图14 15MnTi钢三点弯曲试样在8788 MPa$\cdot$mm/s加载率以内的断裂韧性随加载率变化趋势
Fig.14 Fracture toughness of SEB specimen of 15MnTi steel under the loading rate of 8788 MPa$\cdot$mm/s