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††
STUDY ON FRACTURE TOUGHNESS OF MODE I OF SHALE BASED ON MICRO-MECHANICAL TEST 1)
Han Qiang***2)(),Qu zhan***,Ye Zhengyin**,Dong Guangjian††

图4. 典型压痕加载响应与压痕变化

Fig. 4. Typical load response and indentation