Composition Overview
|
Material family |
Plastic (thermoset) |
|
Base material |
EP (Epoxy resin) |
|
% filler (by weight) |
60-65% |
|
Filler/reinforcement |
Carbon |
|
Filler/reinforcement form |
Woven fabric, Biaxial lay-up |
|
Polymer code |
EP-CF60 |
|
Composition detail |
Polymer 35-40%; Carbon (fiber) 60-65% |
Mechanical Properties
|
Young's modulus |
62.7-68.7GPa |
|
Specific stiffness |
39.6-43.8MN.m/kg |
|
Yield strength (elastic limit) |
627-910MPa |
|
Tensile strength |
627-910 MPa |
|
Specific strength |
398-579kN.m/kg |
|
Elongation |
0.98-1.41% strain |
|
Compressive modulus |
57.2-63.4GPa |
|
Compressive strength |
655-937 MPa |
|
Flexural modulus |
63-69GPa |
|
Flexural strength |
627-910MPa |
|
Shear modulus |
3.5GPa |
|
Bulk modulus |
7.86-10.2GPa |
|
Poisson's ratio |
0.058 |
|
Shape factor |
8 |
|
Hardness-Vickers |
10.8-21.5HV |
|
Hardness-Rockwell M |
80-110 |
|
Hardness-Rockwell R |
117-129 |
|
Elastic stored energy (springs) |
3.08e3-6.14e3kJ/m^3 |
|
Fatigue strength at 10^7 |
345-592MPa |
|
Fracture toughness |
37.9-50.3MPa.m^0.5 |
|
Toughness (G) |
22.2-38kJ/m^2 |
|
Impact strength notched 23 °C |
109-137kJ/m^2 |
Durability and Recycling and End of Life
|
Water (fresh) |
Excellent |
|
Water (salt) |
Excellent |
|
Weak acids |
Acceptable |
|
Strong acids |
Unacceptable |
|
Weak alkalis |
Limited use |
|
Strong alkalis |
Excellent |
|
Organic solvents |
Limited use |
|
Oxidation at 500C |
Unacceptable |
|
UV radiation (sunlight) |
Good |
|
Flammability |
Slow-burning |
|
Recycle |
× |
|
Recycle fraction in current supply |
0.1% |
|
Downcycle |
√ |
|
Combust for energy recovery |
√ |
|
Heat of combustion (net) |
31.2-32.8MJ/kg |
|
Combustion CO2 |
3.11-3.27kg/kg |
|
Landfill |
√ |
|
Biodegrade |
× |
Energy, Water Cost and CO2 Release
|
Embodied energy, primary production |
616-679MJ/kg |
|
CO2 footprint, primary production |
42.8-47.2kg/kg |
|
Water usage |
1.25e3-1.38e3l/kg |
|
Autoclave molding energy |
20.9-23MJ/kg |
|
Autoclave molding CO2 |
1.67-1.84kg/kg |
|
Autoclave molding water |
13.6-20.4l/kg |
|
Compression molding energy |
3.33-3.68 MJ/kg |
|
Compression molding CO2 |
0.266-0.294kg/kg |
|
Compression molding water |
6.31-9.46l/kg |
|
Matched die (preform) molding energy |
9.62-10.6MJ/kg |
|
Matched die (preform) molding CO2 |
0.77-0.849kg/kg |
|
Matched die (preform) molding water |
8.93-13.4l/kg |
Other Properties
|
Price |
350-388CNY/kg |
|
Price per unit volume |
5.4e5-6.25e5CNY/m^3 |
|
Density |
1.54e3-1.61e3 kg/m^3 |
|
Water absorption @ 24 hrs |
0.0416-0.063% |
|
Transparency |
Opaque |
|
Acoustic velocity |
6.29e3-6.62e3m/s |
|
Mechanical loss coefficient (tan delta) |
0.0014-0.0033 |
|
Contains >5wt% critical elements? |
No |
Thermal, Electrical and Magnetic Properties
|
Glass temperature |
100-180°C |
|
Heat deflection temperature 0.45MPa |
279-337°C |
|
Heat deflection temperature 1.8MPa |
250-305°C |
|
Maximum service temperature |
140-220°C |
|
Minimum service temperature |
-123--73°C |
|
Thermal conductivity |
1.08-2.2W/m.°C |
|
Specific heat capacity |
949-1.09e3J/kg.°C |
|
Thermal expansion coefficient |
5.51-29.3μstrain/°C |
|
Thermal shock resistance |
390-2.1e3°C |
|
Thermal distortion resistance |
0.0511-0.288MW/m |
|
Electrical resistivity |
1.71e5-5.64e5μohm.cm |
|
Electrical conductivity |
3.06e-4-0.00101%IACS |
|
Galvanic potential |
0.14-0.22V |
|
Magnetic type |
Non-magnetic |