Material · Composites
Carbon Fiber Sheet
Stiffness nothing else matches per gram: profile-cut plates for frames, arms and optical platforms.
Price index: $$$$
Machinability
2/5
Corrosion resistance
4/5
Strength
~600 MPa (quasi-isotropic)
Value for money
$$$$
Material properties
| Parameter | Value |
|---|---|
| Tensile strength | ~600 MPa (quasi-isotropic) |
| Yield strength | — (anisotropic) |
| Hardness | — (laminate) |
| Density | ~1.55 g/cm³ |
Choose it when
The design is flat-plate geometry where stiffness per gram decides the product — drone frames, robot arms, optical platforms. Quasi-isotropic layups give predictable in-plane behavior.
Look elsewhere when
The part needs true 3D features, threads or aluminum contact: laminates delaminate at threads and milled pockets, dust requires extraction, and bare contact with aluminum invites galvanic corrosion — isolate fasteners.
Typical applications
- Drone frames, arms and gimbal plates
- Lightweight robot arm and end-effector plates
- Optical breadboards and instrument platforms
- Motorsport and aerospace brackets
Compared with similar grades
| Property | Carbon Fiber Sheet | G10/FR4 Glass Epoxy |
|---|---|---|
| Tensile strength | ~600 MPa (quasi-isotropic) | 310 MPa (lengthwise) |
| Yield strength | — (anisotropic) | — (anisotropic) |
| Hardness | — (laminate) | M110 (Rockwell) |
| Density | ~1.55 g/cm³ | ~1.8 g/cm³ |
| Price index | $$$$ | $$ |
| Machinability | 2/5 | 2/5 |
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