Marco Gigliotti, University of Poitiers, France
Marie-Christine Lafarie-Frenot, University of Poitiers, France
Jean-Claude Grandidier, ISAE-ENSMA Poitiers, France
Matteo Minervino, Safran Aircraft Engines, France
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 is Full Professor at the University of Poitiers, Pprime Institute, UPR CNRS 3346 in France. His research concerns the ageing, degradation and durability of organic matrix composites for aeronautical applications.
Marie-Christine Lafarie-Frenot is Professor Emeritus at the University of Poitiers in France. Her area of expertise is the mechanical behavior and durability of polymer matrix composites and continuous carbon fibers in aeronautical applications.
Jean-Claude Grandidier is Full Professor at ISAE-ENSMA Poitiers, Pprime Institute, UPR CNRS 3346 in France. His field of expertise is the modeling of multi-physical couplings in polymers and composites, combining experimental and numerical approaches.
Matteo Minervino is a Materials and Process Engineer in the composite materials department of Safran Aircraft Engines. As part of his activity, he studies the mechanical behavior of composite parts subjected to aggressive environments.
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