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6. Structural testing
Various standards are available for characterizing composite materials (ASTM, ISO, etc., see
Although these tests are standardized, they are generally carried out on small specimens and provide results that can be significantly altered by the boundary conditions applied to the specimen. In addition, various factors can lead to poor specimen representativeness. Given the geometry of structures, it is generally difficult to obtain a specimen with dimensions compatible with standards without using means (machining, etc.) that can significantly affect material behavior. Phenomena such as residual stresses due to manufacturing, fiber misalignment, inhomogeneity of fiber volume ratio in thickness, gradient of cross-linking kinetics, cannot generally...
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Structural testing
Durability
Bibliography
File references
Main suppliers
(non-exhaustive list)
• Hexcel ( www.hexcel.com/ )
• Structil ( www.structil.fr/ )
• Airex ( www.alcanairex.com/...
Organizations and laboratories
(non-exhaustive list)
• END ( www.fin.fr/ )
• IFREMER ( www.ifremer.fr/ )
Standards
- Hull construction – Sampling – Part 5: Design pressure for monohulls, design constraints, determination of sampling - • ISO 12215 - 2006
• ISO 527 – Plastics. Determination of tensile properties 20/09/2007 (date of European confirmation of the standard)
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