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Table 3.5-3 Mishap Composite Materials Compatibility
3-41
REACTIVITY
Carbon Can react with strong oxidizing agents
Glass NR
Boron Reacts exothermally with metals above 1652 ° F. Exothemic with molten aluminum.
Kevlar NR
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TO 00-105E-9
Table 3.5-4 Composite Identification Information
The systems color could be attributed to the resin or fiber. A general rule of thumb follows:
System color will be from the resin for systems using one if the lighter colored fibers. A black or dark appearance
is from carbon fiber unless the fiber diameter size is as large as human hair then it would be boron.
3-42
FIBER COLOR
UNDAMAGED
COLOR
FIRE
DAMAGED
ORIGINAL
DIAMETER
SIZE (μm)
THERMAL DAMAGE APPLICATION
Carbon Black Black 5-10 Oxidation: varies with
fiber type 660 -1000° F
Melting Point 6600° F
Primary and secondary
structures
Glass
(E and S)
White or
transparent
Char color on
surface
4-13 Melting Point 1550°F
for E glass
1778° F for S glass
noncombustible
Radome, sacrificial
surface layer and
corrosion protection
layer between carbon
and metal, secondary
structures.
Kevlar ® Yellow Brown 12 Decomposes
~ 800 - 900° F
Total ash occurs at
1292° F
Where impact is a
concern.
Boron Black Black 100 and 140
(tungsten
boride core
7.5)
Melting points:
Boron 4172° F
Tungsten Boride 5252° F
Where high strength
and stiffness is needed.
Very limited application.
F-15, F-14, B-1 and
repair patch for metallic
structures (C-130,
C-141).
Quartz White to
Reddish
Surface char4-10 Melting point 3121°F
noncombustible
Radome
Spectra®Opaque Char 4-12 Melting point: 297°F
ignites: ~ 660° F
Radome
TO 00-105E-9
Table 3.5-5 Fire Damage Evidence
MATERIAL (° F) OBSERVATION
Aircraft Expoxy Paint
400
600
800 - 850
900 - 950
softens
discolors
blisters
burns off
Zinc Chromate Primer
900 - 950
800 - 850
700
600
500
540
burns off
blisters
black
dark brown
brown
tan
Stainless Steel
800 - 900
2700
tan to light blue
to bright blue
to black
melts
Titanium
1100
1300
1200 - 1500
1620
3100
5600
blue, scale form
oxide scale
grey or yellow
allotropic transportation
melts
TiO2 boils, burn
Aluminum
1000 - 1200 melts
Carbon Fiber
1000 or above
1400
individual fibers or very small fiber bundles are turning ash
in color . glowing red
Boron
? gray
Glass
1550 beads form
Kevlar ®
800 - 900 brown
Epoxy
above 500 shiny surface
3-43
TO 00-105E-9
Key for 3.7-12: (fiber / matrix)
K/e = Kevlar / epoxy G/e = glass / epoxy C/e = carbon / epoxy Q/e = quartz / epoxy
K/p = Kevlar / phenolic G/pami = glass / polyamide C/pimi = carbon / polyimide Q/pimi = quartz / polyimide
B/e = Boron / epoxy G/pe = glass / polyester C/thpis = carbon / thermoplastic
C/bmi = carbon / bismaleimide G/pimi = glass / polyimide C/pbc = carbon / phenolic based carbon
G/bmi = glass / bismaleimide C/bmi = carbon / bismaleimide Q/bmi = quartz / bismaleimide
Table 3.5-6 DoD Aircraft Composite Systems (Sheet 1 of 3)
3-44
TO 00-105E-9
3-45
Table 3.5-6 DoD Aircraft Composite Systems (Sheet 2 of 3)
TO 00-105E-9
3-46
Table 3.5-6 DoD Aircraft Composite Systems (Sheet 3 of 3)
TO 00-105E-9
3-47
Table 3.5-7 How to read the Master List of European Aircraft Hazards
Cell 1: Code number of hazard.
Cell 2: Known hazard.
Cell 3: Function.
Cell 4: Toxicity to lungs. Hazardous materials to human life by inhalation.
A. Not considered toxic.
B. Low. Judged harmful only after massive exposure.
C. Moderate. May cause illness or injury but not considered fatal except for unusual circumstances.
　
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