Table 5 Strength prediction results of AS4/PEEK UD composite.

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

 

10°

30°

45°

60°

Strength

Strain

Strength

Strain

Strength

Strain

Strength

Strain

Experiment

348 MPa

2.06%

115.5 MPa

3.46%

90.4 MPa

2.57%

78 MPa

1.72%

Theory

347 MPa

2.064%

121 MPa (30°)

113 MPa (33°)

3.27% (30°)

3.34% (33°)

92 MPa

2.85%

88 MPa

2.1%

Error

0.3%

0.2%

4.8% (30°)

1.3% (33°)

5.5% (30°)

6% (33°)

1.8%

11%

13%

22%

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