Table 7 Strength prediction results of T300/7901 UD composite.

From: A micromechanics based elasto-plastic damage model for unidirectional composites under off-axis tensile loads

 

15°

30°

45°

60°

75°

Strength

Strain

Strength

Strain

Strength

Strain

Strength

Strain

Strength

Strain

Experiment

224 MPa

0.69%

99 MPa

1.19%

65 MPa

0.77%

53 MPa

0.69%

43 MPa

0.53%

Theory

223 MPa

0.71%

102 MPa (30°)

93 MPa (33°)

0.87% (30°)

0.89% (33°)

68 MPa

0.86%

58 MPa

0.82

44 MPa

0.57%

Error

0.4%

2.9%

3% (30°)

6.3% (33°)

27% (30°)

25% (33°)

4.9%

11.7%

8.6%

19%

2.8%

7.5%