Paper Title:
A Multi-Scale Study of Residual Stresses Created during the Cure Process of a Composite Tooling Material
  Abstract

This paper deals with the cure of an in-plane isotropic carbon-polymer tooling material, with a complex microstructure [1]. The Mori-Tanaka (MT) and Eshelby-Kröner self-consistent (EKSC) models are used in order to achieve a two-steps scale transition procedure, relating the microscopic properties of the material to their macroscopic counterparts. This procedure enables estimating the multi-scale mechanical states experienced by the material, i.e. the local (microscopic) stresses due to thermal and chemical shrinkage of the resin, along a typical, macroscopic stress-free, cure process. The influence of the chosen scale transition model on both the calculated effective properties of the material and its local stress states, is investigated. These results are a first step for investigating the service life fatigue of the material, as well as its failure behaviour.

  Info
Periodical
Edited by
Paolo Scardi and Cristy L. Azanza Ricardo
Pages
309-314
DOI
10.4028/www.scientific.net/MSF.681.309
Citation
E. Lacoste, S. Fréour, F. Jacquemin, "A Multi-Scale Study of Residual Stresses Created during the Cure Process of a Composite Tooling Material", Materials Science Forum, Vol. 681, pp. 309-314, 2011
Online since
March 2011
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