Research Article

Experimental Study on the Caustics of Moving Cracks and Elliptical Curvature under Impact Loading

Table 2

Crack tip curvature and stress intensity factor (SIF) parameters.

Number/m-1SIF/MPa·m1/2 (MN·m1/2

L-120 × 1030.31
L-25 × 1030.63
L-31.25 × 1031.27
L-40.56 × 1031.9
L-50.31 × 1032.5
L-60.2 × 1033.1