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)
DYNAMIC DUCTILE-BRITTLE TRANSITION AND FRACTURE TOUGHNESS MEASUREMENT OF METAL UNDER INTERMEDIATE-LOW LOADING VELOCITIES1)
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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) |
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| 李一磊, 姚迪, 乔红威, 李锡华, 张鲲, 孙磊, 闫晓, 李朋洲 | |
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DYNAMIC DUCTILE-BRITTLE TRANSITION AND FRACTURE TOUGHNESS MEASUREMENT OF METAL UNDER INTERMEDIATE-LOW LOADING VELOCITIES1) |
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| Li Yilei, Yao Di, Qiao Hongwei, Li Xihua, Zhang Kun, Sun Lei, Yan Xiao, Li Pengzhou | |
| 表1 15MnTi钢三点弯曲试样在0.05 m/s ($\dot{J}=3529$ MPa$\cdot$mm/s)和0.25 m/s ($\dot{J} =8788$ MPa$\cdot$mm/s)加载速率下的$J$积分与裂纹扩展量$\Delta a$对应关系 |
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| Tab.1 Relationship between J-integral and $\Delta a$ of SEB specimen of 15MnTi steel at loading velocity of 0.05 m/s ($\dot{J} =3529$ MPa$\cdot$mm/s) and 0.25 m/s ($\dot{J} =8788$ MPa$\cdot$mm/s) |
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