Research Article
Effect of Fiber Waviness on Tensile Strength of a Flax-Sliver-Reinforced Composite Material
Table 2
Fiber orientation angles and mechanical properties of flax-sliver-reinforced green composites [
10].
| Production method | Specimens |
Tensile strength and (standard deviation) (MPa) |
Young’s modulus (GPa) | Sample number |
Fiber volume fraction | Side A (lower angle) | Side B (higher angle) | Avg. angle (°) | S.D. of angles (°) | Avg. angle (°) | S.D. of angles (°) |
| SLM | — | 0.72 | 0 | — | 0 | — | 238 | 40.5 |
| DM | <1> | 0.55 | 1.99 | 3.54 | 3.30 | 4.28 | 132 | 22.7 | <2> | 0.55 | 2.62 | 5.22 | 4.19 | 4.03 | 224 | 26.7 | <3> | 0.55 | 5.14 | 4.06 | 5.55 | 3.18 | 158 | 29.6 | <4> | 0.55 | 3.05 | 3.22 | 8.76 | 4.18 | 211 | 27.6 | <5> | 0.65 | 1.74 | 3.73 | 2.85 | 2.66 | 158 | 23.3 | <6> | 0.65 | 2.10 | 2.62 | 3.07 | 3.48 | 203 | 26.4 | <7> | 0.65 | 1.61 | 2.33 | 2.20 | 2.32 | 153 | 27.5 | <8> | 0.65 | 2.08 | 3.47 | 3.76 | 2.95 | 170 | 28.0 | <9> | 0.65 | 1.45 | 3.72 | 5.26 | 4.77 | 173 | 26.8 | <10> | 0.65 | 0.76 | 3.50 | 4.55 | 3.90 | 168 | 28.8 | Avg. | 0.61 | 2.35 | 3.50 | 4.35 | 3.60 | 175 (28.81) | 26.8 |
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The number of SLM specimens was seven. Avg.: Average, S.D.: Standard deviation.
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