Cyclic hygrothermal aging of aircraft lightning protections: Phenomenological overview

Gilles Lubineau, Jalal El Yagoubi, Shahid Saghir, Lakshmi Selvakumaran, Abe H. Askari

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

The recent transition to full composite fuselages is a major breakthrough in aeronautical design. To ensure satisfactory lightning protection, the electrical properties of the primary composite structure need to be improved and a design solution lies on bonding a metallic fishnet to the fuselage. An important issue is the prediction of the aging behavior of this top layer when exposed to severe aging conditions representative of flight environment. Multiple aging mechanisms affect this top layer made of thermoset resin and metallic fishnet with complex geometry and a first modeling strategy is a necessary starting point to better understand its evolution. This paper describes the overall phenomenology and the different mechanisms that can be expected in such a structure.
Original languageEnglish (US)
Title of host publication53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference<BR>20th AIAA/ASME/AHS Adaptive Structures Conference<BR>14th AIAA
PublisherAmerican Institute of Aeronautics and Astronautics (AIAA)
ISBN (Print)9781600869372
DOIs
StatePublished - Jun 14 2012

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