Coupling moisture diffusion and internal mechanical states in polymers and composites - A thermodynamical approach - Archive ouverte HAL Accéder directement au contenu
Communication Dans Un Congrès Année : 2011

Coupling moisture diffusion and internal mechanical states in polymers and composites - A thermodynamical approach

Résumé

A thermodynamical approach, based on the definition of the chemical potential of water, is used in order to establish a model coupling the diffusion of moisture to the mechanical behaviour of a polymer. The model takes into account the evolution, occurring during the diffusion process, of both the density of the polymer and its maximum moisture absorption capacity. The approach developed is applied to symmetric loading cases, in terms of relative humidity and external pressure. The model, established in the present work, provides the water content profiles through the thickness of the polymer throughout the transient phase of the diffusion process. The numerical results obtained show the significant effect of an external pressure on the kinetics of moisture diffusion in polymers.

Dates et versions

hal-01008040 , version 1 (17-06-2014)

Licence

Paternité

Identifiants

Citer

Bun Eang Sar, Sylvain Fréour, Peter Davies, Frédéric Jacquemin. Coupling moisture diffusion and internal mechanical states in polymers and composites - A thermodynamical approach. 18th International Conference on Composite Materials, 2011, Jeju Island, Costa Rica. ⟨10.1016/j.euromechsol.2012.02.009⟩. ⟨hal-01008040⟩

Relations

46 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More