Figure 4.

A schematic of a semicircular crack with indentation crack depth [a] within the global compressive residual stress region on the side of indent [σR] under uniform flexural stress from loading [σA] [22].

A schematic of a semicircular crack with indentation crack depth [a] within the global compressive residual stress region on the side of indent [σR] under uniform flexural stress from loading [σA] [22].