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The electronic pdf versions of the documents found through http://www.dnv.com/ are the officially binding versions. Copyright Det Norske Veritas.
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DNV-OS-C501 Composite Components |
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| App.F: Example for representative data Stitch-bonded unidirectional (UD) plies - E glass polyester |
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| C: Quasi static properties in air (QSA) |
App.F C
| Table C1 Conditioning parameters | |
| Conditioning parameters: | |
| Temperature | 18 oC |
| Water content of the laminate (wet, dry) | dry |
| Chemical environment | air |
| Loading rate | about 1% per minute |
| Number of specimens | |
| Reported individually for all properties | |
App.F C
| Table C2 Fibre dominated ply properties | |||||
| Parameter | Value | Unit | Explanation | ||
| Fibre dominated properties | E1 (UD ply) | Mean | 26.7 | [GPa] | Modulus of elasticity in main fibre direction |
| COV | 5 % | ||||
| Charact. value | as mean | ||||
| Mean | 0.023 | Strain | Tensioning strain at break in the main fibre direction | |
| COV | 5 % | ||||
| Charact. value | 0.020 | ||||
| Mean | 0.016 | Strain | Compressive strain at break in the main fibre direction | |
| COV | 5 % | ||||
| Charact. value | 0.014 | ||||
| Mean | 614 | N/mm2 (MPa) | Tension stress at break in the main fibre direction | |
| COV | 5% | ||||
| Charact. value | 534 | ||||
| Mean | 427 | N/mm2 (MPa) | Compressive stress at break in the main fibre direction | |
| COV | 5% | ||||
| Charact. value | 373 | ||||
App.F C
| Table C3 Matrix dominated ply prperties | |||||
| Parameter | Value | Unit | Explanation | ||
| Matrix dominated properties | E2 (UD ply) | Mean | 8.4 | [GPa] | Modulus of elasticity transverse to main fibre direction |
| COV | 10 % | ||||
| Charact. value | as mean | ||||
| Mean | 0.0043 | Strain | Tensile strain at break
for the matrix in direction normal to the fibre direction, in the
fibre plane. (this value is lower for pure UD laminates) | |
| COV | 10 % | ||||
| Charact. value | 0.0031 | ||||
| Mean | 0.0065 | Strain | Compressive strain at break for the matrix in direction normal to the fibres when tension is applied to the fibres. | |
| COV | 15 % | ||||
| Charact. value | 0.0041 | ||||
| Mean | 36.0 | N/mm2 (MPa) | Tension stress at break normal to the fibre direction. | |
| COV | 10 % | ||||
| Charact. value | 26.3 | ||||
| Mean | 55.0 | N/mm2 (MPa) | Compressive stress at break normal to the fibre direction. | |
| COV | 15 % | ||||
| Charact. value | 34.0 | ||||
| Mean | 0.0066 (0.023) | Strain | Shear strain in ply plane at linear limit and at (failure). | |
| COV | 10 % | ||||
| Charact. value | 0.0049 (0.017) | ||||
| Mean | 23.0 (40) | N/mm2 (MPa) | Shear stress in ply plane at linear limit and at (failure). | |
| COV | 10 % | ||||
| Charact. value | 17.0 (29) | ||||
| G12 linear | Mean | 3.5 | [GPa] | Shear modulus in the ply plane in the liner range | |
| COV | 10 % | ||||
| Charact. value | as mean | ||||
| G12 non-linear | Mean | 1.7 | [GPa] | Shear modulus in the ply plane at the failure point | |
| COV | 10 % | ||||
| Charact. value | as mean | ||||
| n12 | Mean | 0.29 | Ply major Poisson's ratio | ||
| COV | 10 % | ||||
| Charact. value | as mean | ||||
App.F C
| Table C4 Through thickness ply properties | |||||
| Parameter | Value | Unit | Explanation | ||
| Through
thickness Properties | E3 | Mean | 9.6 | GPa | Modulus of elasticity normal to the fibre plane. |
| COV | 15 % | ||||
| Charact. value | as mean | ||||
| G13 | Mean | 2.8 | GPa | Shear modulus normal to the fibre plane, including the fibre direction | |
| COV | 15 % | ||||
| Charact. value | as mean | ||||
| G23 | Mean | 2.8 | GPa | Shear modulus normal to the fibre plane, including the direction normal to the fibres. | |
| COV | 15 % | ||||
| Charact. value | as mean | ||||
| n13 | Mean | 0.29 | Poisson's ratio normal to the fibre plane, including the fibre direction, when tensioning in the fibre direction. | ||
| COV | 10 % | ||||
| Charact. value | as mean | ||||
| n23 | Mean | 0.29 | Poisson's ratio normal to the fibre plane, including the direction normal to the fibres, when tensioning in the fibre plane normal to the fibres. | ||
| COV | 10 % | ||||
| Charact. value | as mean | ||||
| Mean | 0.0014 | Strain | Tensioning strain at break normal to the fibre plane | |
| COV | 15 % | ||||
| Charact. value | 0.0009 | ||||
| Mean | 0.0063 | Strain | Compression strain at break normal to the fibre plane | |
| COV | 15 % | ||||
| Charact. value | 0.0039 | ||||
| Mean | 0.0050 | Strain | Shear strain at failure normal to the fibre plane, including the fibre direction. | |
| COV | 15 % | ||||
| Charact. value | 0.0031 | ||||
| Mean | 0.050 | Strain | Shear strain at failure normal to the fibre plane, normal to the fibre direction | |
| COV | 15 % | ||||
| Charact. value | 0.0031 | ||||
| Mean | 13.0 | N/mm2 (MPa) | Tension stress at break normal to the fibre plane. | |
| COV | 15 % | ||||
| Charact. value | 8.0 | ||||
| Mean | 61.0 | N/mm2 (MPa) | Compression stress at break normal to the fibre plane. | |
| COV | 15 % | ||||
| Charact. value | 38.0 | ||||
| Mean | 14.0 | N/mm2 (MPa) | Shear stress at failure normal to the fibre plane, including the fibre direction | |
| COV | 15% | ||||
| Charact. value | 9.0 | ||||
| Mean | 14.0 | N/mm2 (MPa) | Shear stress at failure normal to the fibre plane, normal to the fibre direction. | |
| COV | 15 % | ||||
| Charact. value | 9.0 | ||||
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