Epoxy Laminate; Carbon Fibre Prepreg

Aug 3 2001

Advantages

Carbon fibres exhibit generally superior performance in tensile, compressive and flexural properties as well as fatigue resistance. Also excellent interlaminar and in plane shear strengths. Best tensile strength, flexural modulus, heat distortion temperature and linear expansion compared with other epoxy laminates.

Disadvantages

Very expensive. Lower impact strength compared with other epoxy laminates. Inclusion of carbon fibre results in negligible electrical characteristics.

Typical Properties

Property

Value

Density (g/cm3).

1.5

Surface Hardness

RM113

Tensile Strength (MPa)

600

Flexural Modulus (GPa)

80

Notched Izod (kJ/m)

0.5

Linear Expansion (/°C x 10-5)

0.05

Elongation at Break (%)

1.3

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

130

Water Absorption (%)

0.2

Oxygen Index (%)

28

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

2

Dielectric Strength (MV/m)

NA

Dissipation Factor1kHz

NA

Dielectric Constant  1kHz

NA

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

230

Material Drying  hrs @ °C

NA

Melting Temp. Range (°C)

NA

Mould Shrinkage (%)

NA

Mould Temp. Range (°C)

NA

Applications

Aerospace applications. Structural components. Helicopter blades. Small boat hulls. Chemical engineering plant and pressure vessels. Racing cars.

 

Source : Abstracted from Plascams

For more information on Plascams please visit The Rubber and Plastics Research Association

 

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