Fig. 6
From: Strength Improvement of Glass Substrates by Using Surface Nanostructures
Dynamic fracture behavior of fused silica captured using a high-speed camera for fragmentation analysis. a Plain fused silica producing multiple fragments upon fracture. b Fracture of fused silica with a 4-μm-deep square notch into two major fragments. c Fracture of fused silica with a 4-μm-deep square notch and 4-μm-deep nanostructures into multiple fragments