Glossary:
Carbon Fiber

Carbon Fiber

Definition

Carbon fiber is a strong, lightweight material produced from thin fibers primarily composed of carbon atoms arranged in crystals. These fibers are woven together into a fabric or formed into various shapes through molding processes, then impregnated with resin to create composite materials renowned for their exceptional strength-to-weight ratio and durability.

Properties and Applications

• High Strength-to-Weight Ratio: Carbon fiber offers superior strength compared to traditional materials like aluminum or steel while being significantly lighter.
• Corrosion Resistance: Unlike metals, carbon fiber does not rust or corrode, making it ideal for environments exposed to moisture or chemicals.
• Vibration Damping: It effectively absorbs vibrations, enhancing performance in aerospace and automotive applications.
• Used in Industries: Commonly found in aerospace components, high-performance sporting goods, automotive parts, wind turbine blades, and bridge reinforcements.

Manufacturing Process

The production of carbon fiber involves several key steps:

• Raw Material Preparation: Typically starting with polyacrylonitrile (PAN) fibers.
• Carbonization: PAN fibers are heated to high temperatures in an inert atmosphere to form carbon fibers.
• Surface Treatment: Enhances fiber bonding through chemical treatments.
• Weaving or Unidirectional Layering: Fibers are woven or laid in a unidirectional manner to form sheets.
• Resin Impregnation and Molding: Sheets are infused with resin and molded into desired shapes for final composite parts.