基于微米力学实验的页岩I型断裂韧度表征 1)
韩强*†**2)(
),屈展*†**,叶正寅**,董广建††
),屈展*†**,叶正寅**,董广建††
STUDY ON FRACTURE TOUGHNESS OF MODE I OF SHALE BASED ON MICRO-MECHANICAL TEST 1)
Han Qiang*†**2)(),Qu zhan*†**,Ye Zhengyin**,Dong Guangjian††
),Qu zhan*†**,Ye Zhengyin**,Dong Guangjian††
图8. 不同曲率半径下岩样硬度关系($H_{R}$为是压头曲率半径$R$下岩样的弹性模量,$H_{0}$为理想压头下的岩样弹性模量))
Fig. 8. The relationship between the radius of indenter and the test results of hardness ($H_{R}$ is the hardness of sample when the radius of indenter is $R$, $H_{0}$ is the hardness under ideal condition)
