Life cycle structural health monitoring of airframe structures : strain mapping using FBG sensors / Takahashia K. Sekine in SAMPE JOURNAL, Vol. 47, N° 6 (11-12/2011)

[article]  inSAMPE JOURNAL > Vol. 47, N° 6 (11-12/2011) . - p. 6-15 Titre : Life cycle structural health monitoring of airframe structures : strain mapping using FBG sensors Type de document : texte imprimé Auteurs : Takahashia K. Sekine, Auteur ; Y. Iwahori, Auteur ; N. Takeda, Auteur ; Y. Koshioka, Auteur Année de publication : 2011 Article en page(s) : p. 6-15 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Avions -- Fuselage Composites à fibres -- Détérioration Composites à fibres de carbone Contraintes (mécanique) Contrôle technique Déformations (mécanique) Détection de dommages (matériaux) Durée de vie (Ingénierie) Simulation par ordinateur Index. décimale : 668.4 Plastiques, vinyles Résumé : The purpose of this research is to develop structural health monitoring technology based on the strain mapping of composite ariframe structures through their life cycles. We conducted the evaluation tests for damage detection in CFRP pressure bulkheads using fibers Braggs grating (FBG) sensors and verified the dammage detection ability and accuracy of FBG sensors on various modes of damages and deformation. As a result, damages and deformation can be detected as the changes in strain distribution measured by FBG sensors. Moreover, these changes agree well with numerical simulation. These results demonstrate that the strain mapping by FBG sensors can be used for damage detection of the CFRP pressure bulkhead. Note de contenu : STRAIN MONITORING OF CFRP PRESSURE BULKEHAD INOPERATIONAL LOAD TEST BY FBG SENSORS : - Principle of the strain measurement and damage detection by using FBG sensors - Damage detection in CFRP pressure bulkhead under operational load by using FBG sensors - Strain distribution of intact CFRP pressure bulkhead under pressure load - Strain change due to stringer debonding - Strain change due to skin damage - Strain change due to enforced deformation Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12717 [article]

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