1 Subjects: “...crack propagation...”

2 Subjects: “...crack-propagation energy...”

3 Subjects: “...crack propagation...”

4 Subjects: “...crack propagation...”

5 Subjects: “...crack propagation...”

6 Subjects: “...fatigue crack propagation...”

7 Subjects: “...multiple-crack propagation...”

8 Subjects: “...crack propagation...”

9 Subjects: “...fatigue crack propagation test...”

10 Subjects: “...cracking propagation...”

11 Subjects: “...crack propagation...”

12 Subjects: “...crack propagation...”

13 Subjects: “...crack propagation...”