Why Advance Materials to the designer to the factory to the airline Reduced Weight New Design Possibilities Reduced Production Cost Fewer Parts Fatigue amp Corrosion ID: 433253
Download Presentation The PPT/PDF document "Aerospace Materials" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Aerospace MaterialsSlide2
Why Advance Materials?
…
to the designer
… to the factory
… to the airline
ReducedWeight
NewDesignPossibilities
ReducedProductionCost
FewerParts
Fatigue& CorrosionResistant
Fewer & Easier Inspections
LongerLife
ReducedMaintenanceCost
LowerAmortizationCost
ReducedFuel Consumption
New
Production
PossibilitiesSlide3
Why Advance Materials?
MOSTLY UNCHARTED
Weight & Cost Improvements
Time
Future Technology Levels
2002 - 2006 Technology Level
777 Technology Level
737 Technology Level
757/767 Technology Level
747 Technology Level
KNOWN TECHNOLOGIES
Materials, Processes, & Design ImprovementsSlide4
History of Composite Materials (Boeing)
Composite
Steel
Titanium
Aluminum
Miscellaneous
Increased composite usage over time
Materials
747
757/767
777
787Slide5
History of Composite Materials (Boeing)
747 Program – 1960’s
Extensive use of fiberglass/honeycomb components
Control surfaces
Fairings
Trailing edge panelsSlide6
History of Composite Materials (Boeing)
Carbon fiber concepts development – early 1970’s
NASA-ACEE program—reaction to 1973/74 OPEC oil price increase
Boeing designed, fabricated, and certified
727 elevators
737 horizontal stabilizersSlide7
History of Composite Materials (Boeing)
Increased Production Implementation – early 1980’s
757/767 introduced expanded use of composites
Material and process specifications in place
Experienced design, fabrication, and certification personnel
Technology jointly developed with suppliers
Wing tips
Fin tip
Fin Fixed
Trailing Edge
Panels
Rudder
Elevators
Stabilizer
tips
Outboard
ailerons
Outboard
spoilers
Stabilizer
fixed trailing
edge panels
Inboard
ailerons
Inboard spoilers
Outboard flap
Trailing edge
wedge
Trailing edge flap
support fairings
Kevlar
Engine
cowlings
Strut forward
and aft fairings
Main landing
gear doors
graphite/Kevlar
Wing-to-body
fairing
Fixed trailing
edge panels
Nose gear doors
graphite/fiberglass
Graphite
Aramid
HybridSlide8
History of Composite Materials (Boeing)
Wing fixed leading edge
Trailing edge panels
Strut forward and aft fairings
Nose radome
Main landing
gear doors
Nose gear doors
Outboard aileron
Outboard flap
FlaperonInboard flap
Floor beams
Engine cowlings
Wing-to-body fairing
Leading and trailing edge panels
Elevator
Stabilizer torque box
Fin torque box
Rudder
Inboard and
outboard spoilers
Flap track fairing
Toughened graphite
Graphite
Hybrid
Fiberglass
Increased Production Implementation – early 1990’s
777 applied introduced expanded use of compositesSlide9
History of Composite Materials (Boeing)
787 Material Overview – 2000’s
Carbon laminate
Carbon sandwich
Fiberglass
Aluminum
Aluminum/steel/titanium pylonSlide10
Answer – Everywhere!
Airframe:
Wing, Fuselage, Empennage, Landing Gear, Control SurfacesInteriors/Payloads:Seats, Overhead Bins, Linings, Bulkheads, Cargo Restraints, FloorsSystems:Electrical transmission (wiring), Insulation/Isolation,
Mech/Hyd systemsPropulsion:Fairings, Cowlings, Exhaust, Acoustics, Fuel Systems, Pylon/StrutOther:Windows, Doors, Seals, Electromagnetic Effects (EME)
Where Do Materials Matter?
Materials Enable Design
and Performance Across the AirplaneSlide11
More, newer, tougher Composites
Lighter weight
Better Damage ResistanceBetter Damage ToleranceImproved ManufacturabilityHigher temperature MaterialsComposites
CeramicsPolymersMetalsNow What?
Conductive MaterialsElectrical SystemsEME/Lightning StrikeImproved ProcessingDrilling/fasteningEME issues
LayupJoining/Bonding/Welding