Constituents - Fiber · AIRCRAFT COMPOSITE STRUCTURE REPAIR ATA 51 - Aircraft Composite Repair...
Transcript of Constituents - Fiber · AIRCRAFT COMPOSITE STRUCTURE REPAIR ATA 51 - Aircraft Composite Repair...
AIRCRAFT COMPOSITE STRUCTURE REPAIR
Constituents - Fiber
Introduction to Composite Materials 1 ATA 51 - Aircraft Composite Repair
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
Constituents 2 ATA 51 - Aircraft Composite Repair
COMPOSITES MATRIXS
CORE
• Providing
structural strength
• Bonding element
• Hold the reinforcement in
desired position
• Giving strength
• Transfering/ Distributing
stresses
• Act as central members
• Giving more compressive
strength to the structure
•Adding thickness without adding
weight
FIBERS
Constituents - Fiber
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 3
Constituents - Fiber
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 4
RE
INF
OR
CIN
G A
GE
NT
(S
TR
UC
TU
RE
)
FIBER GLASS
Non structural & internal structure
ARAMID/ KEVLAR
High impact area
CARBON/ GRAPHITE
Structural Application
QUARTZ FIBER Radome
Constituents - Fiber
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 5
Strength of Fiber
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 6
56%
40%
2% 2%
Carbon Glass Aramid Quartz
Constituents – Fiber composition
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 7
Fiber Strength
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ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 8
Fiber form
• Filament (1D)
• Fabric/ Weave (2D)
Tape/ Unidirectional (1D)
Mat (Random)
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 9
Filaments – individual filaments 4 to 20 m
Tow Bobbin
Filament Roving
Unidirectional/ Tape
Woven/ Fabric
DRY FABRIC
WET FABRIC
Pre-preg
Fiber form
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 10
• Reinforcing Agent
Weft/ Fill
Warp
Selvage Edge
Bias
00
450
900
-450
Fabric Terminology
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 11
• Reinforcing Agent Type of Fabrics
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 12
Type of Fabrics
3 D Fabric (Warp knitted)
AIRCRAFT COMPOSITE STRUCTURE REPAIR AIRCRAFT COMPOSITE STRUCTURE REPAIR
ATA 51 - Aircraft Composite Repair
Introduction to Composite Materials 13
• Reinforcing Agent Fabric Usages