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What is Carbon Fiber, and Why Do We Use it?

The Ultimate Guide to Carbon Fiber Composite Material and Manufacturing.


What Exactly Is Carbon Fiber?


Carbon fiber (also known as carbon fibre) is a polymer material made from carbon atoms bonded together in long chains. The fibers are incredibly stiff, strong, and light. It stands out in the materials world as one of the strongest and most lightweight materials on the market.


Carbon fiber fabric being held.
Carbon Fiber Fabric

Carbon fiber, also known as graphite fiber or carbon graphite, may also be referred to as composite material or fiber-reinforced plastic.


A composite material combines two materials with different physical and chemical properties. For a lot of parts, we mainly refer to carbon fiber-reinforced polymer (CFRP). We’ll use the term carbon fiber for simplicity’s sake.


Five times stronger than steel and one-third its weight, carbon fiber composites are ideal for applications that require strength, durability, lightweight, and speed. Carbon fiber offers several important properties, including:


  • High stiffness and stiffness-to-weight ratio,

  • High tensile strength and strength-to-weight ratio,

  • High-temperature tolerance with special resins,

  • Low thermal expansion,

  • High chemical resistance.


USABS custom deBotech, Inc. Bobsled at 2024 World Cup
USABS Custom Carbon Fiber deBotech, Inc. Bobsled at the 2024 World Cup in Lake Placid, New York.

Because of this, carbon fiber manufacturing is very popular in many industries, such as automotive OEM (Original Equipment Manufacturers), aerospace and aviation, sporting equipment, motorsports and professional racing, and more.


At deBotech, we proudly support the USA Bobsled/Skeleton team with custom carbon fiber bobsleds that improve speed and efficiency.



Carbon Fiber Benefits


Carbon fiber is characterized by several positive mechanical and non-mechanical benefits that set it apart from other common materials:


  • Lightweight: Carbon fiber is a low-density material with high strength-to-weight ratio. This makes it perfect for fuel efficiency and speed in automotive or aerospace applications.

  • High tensile strength: Carbon fiber is known for its high tensile strength, making it one of the strongest commercial fibers.

  • Corrosion resistant: Carbon-carbon bonds' strength makes carbon fiber naturally resistant to oxidization. This makes carbon fiber well-suited for environments where it may be exposed to salt water or corrosive chemical agents.

  • Low CTE (Coefficient of Thermal Expansion): Carbon fiber has a low CTE, meaning that it’s less likely to change shape when exposed to heat than other materials.

  • Exceptional durability: Carbon fiber has superior fatigue properties compared to metal, meaning components made of carbon fiber won’t wear out as quickly under the stress of constant use.

  • Low thermal conductivity: Carbon fiber is low thermally conductive, making it a good choice for applications where a heat-resistant material is needed.

  • Dampens sound: Due to the way carbon fiber absorbs sound waves, it can be a great material for dampening noise.

  • Design flexibility: Because of its strength-to-weight ratio, carbon fiber can be used across several fields and applications. It can also be shaped and molded in ways that traditional materials, like aluminum and steel, cannot.

 

Summary


Overall, it’s easy to see why carbon fiber is such a popular material. It’s strong and lightweight, and it can be used for a variety of applications. At deBotech Inc., we take pride in our custom-quality carbon fiber and advanced composite parts. With over 25 years of experience designing, engineering, and manufacturing, we ensure the best carbon fiber material for our customers worldwide.


To learn more about areas where deBotech, Inc. specializes, visit https://www.debotech.com/expertise

To learn about employment opportunities, visit https://www.debotech.com/employment

 

White C8 Corvette with carbon fiber parts driving down a highway.
White C8 Corvette with Carbon Fiber Parts

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