| Titre : |
In Situ Characterization by Acoustic Emission and X-Ray μ-Computed-Tomography of the Effects of Temperature, Aging, and Multi-Axial Loads on Damage Onset in 3D Woven Organic Matrix Composites for Aeronautical Applications |
| Titre original : |
Caractérisation in situ par émission acoustique et μ-tomographie X des effets de la température, du vieillissement et des charges multi-axiales sur l’amorçage de l’endommagement dans les composites à matrice organique tissée 3D pour des applications aéronautiques |
| Type de document : |
thèse |
| Auteurs : |
Salvador ORENES BALACIART, Auteur ; Marco GIGLIOTTI, Directeur de thèse ; Yannick PANNIER, Directeur de thèse ; Institut PPRIME UPR CNRS 3346 - PMM, Commanditaire ; Nathalie GODIN, Rapporteur ; Valter CARVELLI, Rapporteur ; Zoheir ABOURA, Examinateur ; Florian CONEJOS, Auteur |
| Année de publication : |
2024 |
| Importance : |
237 p. |
| Note générale : |
NNT 2024ESMA0010
Remerciements
Contents
Introduction
Appendices
Bibliography
Abstract
Keywords |
| Catégories : |
Composites polymères
Composites tissés
Emission acoustique
Matériaux:Effets des basses températures
Matériaux:Effets des hautes températures
Mécanique de l'endommagement (milieux continus)
Polymères:Déterioration
Tomographie
|
| Résumé : |
IN SITU ANALYSIS OF MULTI-AXIAL DAMAGE ONSET MECHANISMIN 3D WOVEN COMPOSITES AT ROOM TEMPERATURE
METHODOLOGY FOR MULTI-AXIAL TENSILE TEST INTERRUPTION AND DAMAGE ONSET CHARACTERIZATION
Material
In Situ Testing Device
Sample Design for In Situ Testing
Instrumentation for Damage Detection
Experimental Interruption Protocol
Results and Analysis: Damage Onset Mechanisms
Effect of Material Thickness on Damage Onset
Conclusions
MULTI-AXIAL DAMAGE ONSET ANALYSIS IN AN ECCENTRIC COMPRESSION BENDING SOLICITATION
Design of an In Situ μ-CT Eccentric Compression Bending Test
Protocol for Interruption ECB Tests
Analysis of Damage Onset Mechanism in a Bending Solicitation
Conclusion
EFFECT OF TEMPERATURE AND THERMAL CYCLING ON DAMAGE ONSET IN 3D WOVEN COMPOSITES
EFFECT OF HIGH AND LOW TEMPERATURE ON DAMAGE ONSET IN 3D WOVEN OMC
Effect of Temperature on Acoustic Waves on OMC
Effect of High and Low Temperature on Damage Onset
Cracked Surface vs Acoustic Emission Energy at Different T°C
Conclusion
ANALYSIS OF DAMAGE ONSET AND PROPAGATION UNDER THERMAL CYCLING
Implementation of the Thermal Cycling Test
Damage initiation mechanisms in thermal cycling
Damage Propagation Mechanisms during Thermal Cycling
Conclusions
EFFECT OF THERMAL CYCLING ON DAMAGE ONSET
Introduction
Effect of Thermal Cycling on Damage Onset by In Situ Tensile Test
Effect of Thermal Cycling on Damage by Eccentric Compression Bending Test
Conclusion
SUMMARY
GENERAL CONSLUSIONS AND PERSPECTIVES
|
| En ligne : |
https://theses.fr/2024ESMA0010 |
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