-

- : : 1387

- c-c

10

70 kg human body13kg carbon

- 16

5

524 kj/mol7 kj/mol524/774zx

PAN HIGH STERNGTH HIGH MUDULS :

OXIDIZINGCARBONIZINGGRAPHITIZINGC200-300C1500-2000 C2500-3000High strength carbonHighmudulusPANFIBER

:

Apparatus for the fabrication of carbon fibers from PAN

The effect of heat-treatment temperature on the strength and modulus of elasticity of carbon fibers.

SEM photographs of carbon fibers: (a) as received, side view and (b) partially oxidized (17% weight loss), tip view.

10 C2H2 2C+H2

Schematic showing fiber growth and thickening stages duringvapor-growth process.

Schematic representation of different types of growth observed in carbon filament

sizing sizing sizing

A scanning electron micrograph of a carbon tow containing many individual carbon filaments (x200).

A three-dimensional weave for fiber-reinforced composites.

: C 3000

C400

Representative strengths of various categories of materials

PMC MMC CMC

- Modulus of elasticity >69 GPaUltimate tensile strength >40 000 psi)Melting point >41OO0C

comparison of the specific strength of various carbon-carbon composites with that of other high-temperature materials relative to temperature.

(LPI) - - (HIPIC) (HP) (CVI)

(CVI) :IsothermalTemperature gradientPressure gradient isothermal

Three-dimensional cylindrical weave construction.

Fully densified 3-0 CC cylindrical ring.

c-c c-c c 320 co2 c+o2 10% c 1700 sic,si3N4))

30% 50%

- - Tic Sic ( )Tic Sic CVI c sic %12-29sic,

-

1950 1960 nose cap, leading edge

4.5 - 8

- .leading edge 22

1538

:

) )

1093 316

14.4 7.6 28000 1760

787.787 Dreamliner .

( 2200 )

BLACKBEAUTY 100 MPG. .

40

. GPS on-board .

.

. /

lamborghini Reventon

Bodyworkin carbon fiber, except roof and door external panels

Frame High strength tubular steel structure with carbon fiber components.

47

. : 1 .2 3 4. . ( compliance) ( flexibility) 5 . 6 .7 .8 .9 .

:) ( autogenous) : sapheenous vein )) (grater) .

) ((nonautogenous . .

Heart Valvepyrolytic carbon disk in a Co-Cr metallic housing

Heart ValvePyrocarbon valve: Bileaflet valve made entirely from pyrolytic-carbon coated graphite.

:

mm 29 Pyrolytic carbon

1998

5 30 55

1500 .

7300 4

By:Deborah D. L. Chung 1. Carbon Fiber Composites2. CARBON-CARBONMATERIALES AND COPOSITES By:John D. Buckley 3.The Science and Engineering of Materials, 4th ed By: Donald R. Askeland Pradeep P. Phul