Page 46 - Template Tesis UTM v2.0

PAN PITCH

Polymerization Pitch preparation

Wet spinning Melt spinning

Stabilization Infusibilization
(oxidizing atm.) (oxidizing atm.)

Carbonization Activation Carbonization
(oxidizing atm.) (reactive atm.) (oxidizing atm.)

Graphitization Graphitization
(oxidizing atm.) (oxidizing atm.)

ACTIVATED
CARBON FIBRE CARBON FIBRE
FIBRE

Figure 2.4 The processes flow of making carbon fibres from PAN and pitch
precursors [32]

Table 2.3 Properties of carbon fibres [32]

Tensile Young’s Melting Specific Specific
Density Ductility
Type strength modulus temp. modulus strength
3
(g/cm ) (%)
6
4
(GPa) (GPa) (°C) (10 m) (10 m)
Carbon
(High- 1.50 5.7 280 2.0 3700 18.8 19
strength)

Carbon
(High- 1.50 1.9 530 0.36 3700 36.3 13
modulus)

18