Modelling the influence of temperature and relative humidity on the time-dependent mechanical behaviour of a short glass fibre reinforced polyamide

Abstract : Polymer matrix composites, and especially short glass fibre reinforced polyamides, are widely used in the automotive industry. Their application on structural components requires a confident mechanical design taking into account the sensitivity of the mechanical response to both temperature T and relative humidity H. In this paper, the constitutive model already developed by the authors (Launay et al., 2011) is applied to describe the non-linear time-dependent behaviour of a PA66-GF35 under various hygrothermal conditions. The extensive experimental database involves testing conditions under and above the glass transition temperature Tg. An equivalence principle between temperature and relative humidity is applied and validated, since the non-linear mechanical response is shown to depend only on the temperature gap T-Tg(H).
Complete list of metadatas

Cited literature [26 references]  Display  Hide  Download

https://hal-polytechnique.archives-ouvertes.fr/hal-00778275
Contributor : Habibou Maitournam <>
Submitted on : Saturday, January 19, 2013 - 1:37:15 PM
Last modification on : Friday, December 13, 2019 - 10:42:09 AM
Long-term archiving on: Saturday, April 20, 2013 - 3:54:00 AM

File

LAUNAY-et-al-polyamide-humidit...
Publisher files allowed on an open archive

Identifiers

Citation

Antoine Launay, Yann Marco, Habibou Maitournam, Ida Raoult. Modelling the influence of temperature and relative humidity on the time-dependent mechanical behaviour of a short glass fibre reinforced polyamide. Mechanics of Materials, Elsevier, 2013, 56, pp 1 - 10, issn = "0167-6636", url = "http://www.sciencedirect.com/science/article/pii/S016766361200. ⟨10.1016/j.mechmat.2012.08.008⟩. ⟨hal-00778275⟩

Share

Metrics

Record views

985

Files downloads

1903