Investigation of mechanical properties of bedded shale by nanoindentation tests: A case study on Lower Silurian Longmaxi Formation of Youyang area in southeast Chongqing, China |
Xian SHI,Shu JIANG,Shuangfang LU,Zhiliang HE,Dongjie LI,Zhixuan WANG,Dianshi XIAO |
Fig. 3. Grid matrix indentations SEM image (a) and single indentation SEM image (b) after nano indentation. |