Figure 2

Experimental setup (a) Schematic of the specimen geometry and preparing process of the specimens, (b) Cyclic 4-point bending, (c) strain measured with strain gauge sensors, (d) strain field measured with DIC device.

Experimental setup (a) Schematic of the specimen geometry and preparing process of the specimens, (b) Cyclic 4-point bending, (c) strain measured with strain gauge sensors, (d) strain field measured with DIC device.