pages
174
ISBN
9781786300188

This work is devoted to the study and predictive modeling of the effects of thermo-oxidation on the mechanical behavior of a polymer (an epoxy resin) and of the associated continuous carbon fiber-based composites. The study consists of three parts. The first part focuses on the development of specific experimental methodologies such as micro-indentation and interferometric […]

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This work is devoted to the study and predictive modeling of the effects of thermo-oxidation on the mechanical behavior of a polymer (an epoxy resin) and of the associated continuous carbon fiber-based composites.

The study consists of three parts. The first part focuses on the development of specific experimental methodologies such as micro-indentation and interferometric microscopy (i) for the characterization of the local mechanical behavior of the polymer dependent on the oxidation level, and (ii) in the composites for the quantitative characterization of thermo-oxidative induced matrix shrinkage.

The second part develops a local mechanical behavior law dependent on the ageing of the polymer – integrating the inelastic matrix strains of chemical origin and related to thermo-oxidation – based on the thermodynamics of irreversible processes with internal variables (TIV).

Lastly, the book covers the implementation, development and validation of inverse analysis approaches for the identification of the parameters of the local mechanical behavior law of the polymer and of the strains of chemical origin. The identified models are used to calculate the internal stresses associated with thermo-oxidation phenomena in composites.

1. Phenomenological Aspects of Thermo-oxidative Ageing of OMCs.
2. Modeling of Thermo-oxidative Ageing of OMCs.
3. Identification and Simulations.

Marco Gigliotti

Marco Gigliotti est professeur à l’université de Poitiers et à l’ISAE-ENSMA. Son travail de recherche concerne le vieillissement, la dégradation et la durabilité des matériaux composites à matrice organique pour applications aéronautiques.

Marie-Christine Lafarie-Frenot

Marie-Christine Lafarie-Frenot est professeur émérite à l’université de Poitiers et à l’ISAE-ENSMA. Son domaine d’expertise est celui du comportement mécanique et de la durabilité des composites à matrice polymère et à fibres continues de carbone dans le cadre d’applications aéronautiques.

Jean-Claude Grandidier

Jean-Claude Grandidier est professeur des universités à l’ISAE-ENSMA Poitiers. Son domaine d’expertise est celui de la modélisation des couplages multiphysiques dans les polymères et composites, en croisant des approches expérimentales et numériques.

Matteo Minervino

Matteo Minervino est ingénieur matériaux et procédés au sein du département matériaux composites de Safran Aircraft Engines. Dans le cadre de son activité, il étudie le comportement mécanique des pièces en composite soumises à des environnements agressifs.