NDLI: Fuel containment and damage tolerance in large composite primary aircraft structures

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Fuel containment and damage tolerance in large composite primary aircraft structures

Content Provider	NASA Technical Reports Server (NTRS)
Author	Griffin, C. F.
Copyright Year	1983
Description	Technical problems related to fuel containment and damage tolerance of composite material wings for transport aircraft was investigated. The major tasks are the following: (1) the preliminary design of damage tolerant wing surface using composite materials; (2) the evaluation of fuel sealing and lightning protection methods for a composite material wing; and (3) an experimental investigation of the damage tolerant characteristics of toughened resin graphite/epoxy materials. The design concepts investigated for the upper and lower surfaces of a composite wing for a transport aircraft are presented and the relationship between weight savings and the design allowable strain used within the analysis is discussed. Experiments which compare the fuel sealing characteristics of bolt-bonded joints and bolted joints sealed with a polysulphide sealant are reviewed. Data from lightning strike tests on stiffened and unstiffened graphite/epoxy panels are presented. A wide variety of coupon tests were conducted to evaluate the relative damage tolerance of toughened resin graphite/epoxies. Data from these tests are presented and their relevance to the wing surface design concepts are discussed.
File Size	578184
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19850021720
Archival Resource Key	ark:/13960/t9s22t56x
Language	English
Publisher Date	1983-03-01
Access Restriction	Open
Subject Keyword	Composite Materials Wing Tanks Fuel Tanks Yield Point Transport Aircraft Bolted Joints Fiber Composites Mechanical Properties Graphite-epoxy Composites Damage Aircraft Structures Structural Analysis Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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