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9 20 mm厚度、裂纹尺寸0.55的15MnTi钢和11MnNiMo钢三点弯曲试验结果
Fig.9 Experiment results of 15MnTi and 11MnNiMo steel with depth of 20 mm and crack size of 0.55