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Norm
ÖNORM EN ISO 15310
Issue date: 2005 10 01
Fibre-reinforced plastic composites - Determination of the in-plane shear modulus by the plate twist method (ISO 15310:1999)
1.1 This International Standard specifies a method for determining the in-plane shear modulus (G12) of fibrereinforced
plastic composites using a standard plate specimen...
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Publisher:
Austrian Standards International
Format:
Digital | 15 Pages
Language:
German
| English
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ICS
1.1 This International Standard specifies a method for determining the in-plane shear modulus (G12) of fibrereinforced
plastic composites using a standard plate specimen. When applied to isotropic materials, the shear
modulus measured is independent of direction.
1.2 The method is used to determine the shear modulus of the test specimens but not to determine the shear
strength. It applies to a plate supported on two points on one diagonal and loaded on the other diagonal by the
simultaneous movement of two loading points attached to a cross-beam.
1.3 The method is suitable for use with fibre-reinforced plastic composites with both thermoset and thermoplastic
matrices.
Due to the shear deformation being applied under flexural conditions, for laminated materials with different fibre
formats and/or different orientations, the layers of material must be well distributed across the section so that it is
approximately homogeneous in the through-thickness direction.
The principal material axes, if present, must be orientated normal to the plate edges (see 3.8).
NOTE This method can be applied to unreinforced polymers and other materials (e.g. metals, ceramics and metal- or
ceramic-matrix composites).
For material fabricated using unidirectional plies, the shear modulus obtained using a multidirectional specimen
(i.e. 0°/90°/45°) is not the same as that obtained for unidirectional or cross-ply (0°/90°) material.
1.4 The method is performed using specimens which may be moulded to the chosen dimensions, machined from
test plates or machined from flat areas of products.
1.5 The method specifies preferred dimensions for the specimen. Tests which are carried out on specimens of
other dimensions, or on specimens which are prepared under different conditions, may produce results which are
not comparable. Other factors, such as the speed of testing and the conditioning of the specimens, can influence
the results (...abbreviated)
ÖNORM EN ISO 15310
2005 10 01
Fibre-reinforced plastic composites - Determination of the in-plane shear modulus by the plate twist...
Norm
↖
Norm
ISO 291:1997
Issue date :
1997 07 24
Plastics — Standard atmospheres for conditioning and testing
Norm
ISO 1268:1974
Issue date :
1974 11 01
Plastics — Preparation of glass fibre reinforced, resin bonded, low-pressure laminated plates or panels for test purposes
Norm
ISO 2602:1980
Issue date :
1980 02 01
Statistical interpretation of test results — Estimation of the mean — Confidence interval
Norm
ISO 5893:1993
Issue date :
1993 09 23
Rubber and plastics test equipment — Tensile, flexural and compression types (constant rate of traverse) — Description
Norm
ISO 15310:1999
Issue date :
1999 12 16
Fibre-reinforced plastic composites — Determination of the in-plane shear modulus by the plate twist method