3. CMO integrity control
CMO aging frequently results in macroscopic damage. The control methods used to reveal this damage are either optical (surface damage) or based on non-destructive methods (characterization of the CMO core). Sensors integrated into structures are currently being developed to continuously determine the conditions actually experienced by the material and assess its state of degradation.
3.1 Optical and microscopic means
Careful observation of the CMO enables rapid characterization of an ageing condition. Depending on the scale of observation required, visual observation methods such as binocular magnifiers, optical microscopy, SEM and TEM are used to identify cracks (location, formation, propagation) and precisely characterize fracture surfaces. Optical observations...
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CMO integrity control
Thermal analysis
Bibliography
Additional references to articles AM 5 320 and AM 5321
- - La compréhension et la prévision du comportement à long terme des CMO est un enjeu majeur pour les industriels et de nombreux laboratoires au niveau mondial, tant universitaires qu'industriels, qui mènent des travaux dans cette optique. La littérature nationale (Journées nationales des Composites,...
Standardization
Association française de normalisation AFNOR
- Small ships – Hull construction and samples – Part 1: materials: thermosetting resins, glass fiber reinforcement, reference laminate. - NF EN ISO 12215-1 - 03-01
- Small ships – Hull construction and samples – Part 2: materials: core materials for sandwich-type constructions,...
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