Energy Percentage

PF₁

PF₂

PF₃

PF₄

u_k

The round hole and cracked specimen

89.05%

8.52%

1.78%

0.38%

0.28%

The round hole specimen

83.28%

13.62%

1.21%

1.88%

The intact specimen

65.76%

22.72%

4.68%

6.84%