Article | REF: AM5321 V1

Aging of composites - Property evolution and modeling

Author: Bruno MORTAIGNE

Publication date: July 10, 2005

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6. Changes in long-term mechanical behavior

The service life of a CMO is industrially linked to the length of time the CMO will be able to maintain its mechanical properties. Its long-term behavior is therefore linked to the evolutionary kinetics of its properties, even if these evolutions must be supported by the material's physico-chemical evolution kinetics to ensure that all degradation mechanisms have been identified.

6.1 Predictions based on the evolution of mechanical properties

The evolution of mechanical properties can be predicted by monitoring their development over time under different exposure conditions (humidity, temperature, radiation, micro-organisms, etc.). To model the evolution of mechanical properties, the same models as those used for structural design are employed; only the input...

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Changes in long-term mechanical behavior