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Carbon fiber is a high-strength, lightweight material made from thin strands of carbon atoms that are bonded together in a crystalline structure. It is known for its exceptional tensile strength and stiffness, making it a preferred choice in various industrial applications. Carbon fiber is typically combined with a resin to form a composite material, which enhances its durability and resistance to environmental factors.
| Tensile strength | Up to 6000 MPa |
| Density | 1.5 to 2.0 g/cm³ |
| Thermal conductivity | Low, typically around 1-10 W/m·K |
| Elongation at break | 1.5% to 2% |
| Modulus of elasticity | 230 to 600 GPa |
When selecting carbon fiber, buyers should consider the specific application and required properties such as tensile strength, modulus of elasticity, and weight. It is also important to specify the type of resin used in the composite, as this can affect performance. Certifications for aerospace or automotive applications may be necessary, along with tolerances that fit the intended use. Quantities can vary widely based on project needs, so be prepared to discuss this with suppliers.
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Carbon fiber is used in applications requiring high strength-to-weight ratios, such as aerospace, automotive, and sports equipment.
Carbon fiber is produced through a process of pyrolysis, where organic polymer fibers are heated to high temperatures in an inert atmosphere.
Recycling carbon fiber is challenging, but there are emerging technologies aimed at reclaiming the fibers for reuse.
Carbon fiber is lighter, offers higher strength-to-weight ratios, and is resistant to corrosion compared to metals.
Carbon fiber can withstand high temperatures, but the resin matrix used in composites may limit its thermal resistance.
Carbon fiber comes in various grades and forms, including standard modulus, intermediate modulus, and high modulus.