Issue 73

J. M. Parente, et alii, Fracture and Structural Integrity, 73 (2025) 139-152; DOI: 10.3221/IGF-ESIS.73.10

0.2

a)

0.16

0.12

0.08

0.04 Energy (J)

0

0

1

2

3

4

5

6

Displacement (mm)

1G/7C 7C/1G

2G/6C 5C/3G

6C/2G 3G/5C

8G

8C

Max disp. 8C Max disp. 7C/1G Max disp. 3G/5C

Max disp. 8G Max disp. 2G/6C Max disp. 5C/3G

Max disp.1G/7C Max disp. 6C/2G

0.06

b)

0.04

0.02

Energy (J)

0

0

1

2

3

4

5

6

Displacement (mm)

1G/7C 7C/1G

2G/6C 5C/3G

6C/2G 3G/5C

8G

8C

Max disp. 8C Max disp. 7C/1G Max disp. 3G/5C

Max disp. 8G Max disp. 2G/6C Max disp. 5C/3G

Max disp.1G/7C Max disp. 6C/2G

0.06

c)

0.04

0.02

Energy (J)

0

0

1

2

3

4

5

6

Displacement (mm)

1G/7C 7C/1G

2G/6C 5C/3G

6C/2G 3G/5C

8G

8G

Max disp. 8C Max disp. 7C/1G Max disp. 3G/5C

Max disp. 8G Max disp. 2G/6C Max disp. 5C/3G

Max disp.1G/7C Max disp. 6C/2G

Figure 7: Energy dissipated during the 3PB test for all laminate configurations by: a) Intralaminar damage; b) Delamination; c) Friction.

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