2. Physico-chemical analysis. Structure and ageing
Although the main industrial issue is to maintain mechanical performance, the physico-chemical aspect of ageing phenomena must absolutely be taken into account and studied in order to produce realistic and reliable behaviour prediction models.
The behavior is studied by defining a theoretical network representative of the chemical structure.
2.1 Mass evolution of materials
Gravimetric monitoring of CMOs, although reflecting a macroscopic phenomenon, is the first inexpensive and easy-to-use means of monitoring aging behavior. It provides information on water absorption, thermal degradation, erosion and molecule extraction (chemical degradation, additive extraction, etc.). This test provides a rapid indication of the evolution and behavior...
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Physico-chemical analysis. Structure and ageing
CMO integrity control
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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,...
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