Zone: Carbon Fiber
0311HPC_WIP1.jpg Overview

Carbon fiber — by far the most widely used fiber in high-performance applications — is produced from a variety of precursors, including polyacrylonitrile (PAN), rayon and pitch. The precursor fibers are heated and stretched to create the high-strength fibers. The first high-performance carbon fibers on the market were made from rayon precursor. PAN- and pitch-based fiber have replaced rayon-based fiber in most applications, but the latter’s “dogbone” cross-section often makes it the fiber of choice for carbon/carbon (C/C) composites. PAN-based carbon fibers are the most versatile and widely used. They offer an amazing range of properties, including excellent strength — to 1,000 ksi — and high stiffness. Pitch fibers, made from petroleum or coal tar pitches, have high to extremely high stiffness and low to negative axial CTE. Their CTE properties are especially useful in spacecraft applications that require thermal management, such as electronic instrumentation housings. Although they are stronger than glass or aramid fibers, carbon fibers are not only less impact-resistant but also can experience galvanic corrosion in contact with metal. Fabricators overcome the latter problem by using a barrier material or veil ply — often fiberglass/epoxy — during laminate layup.


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Most Recent Content: Carbon Fiber
Forged composites replace complex metal parts

Powerhouse manufacturer’s high-pressure compression molding process forms prepregged CFRP components with forged-metal properties.
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Composite tooling without oven or autoclave CompositesWorld

No Oven No Autoclave technology has been demonstrated in tooling for NASA, including multiple thermal cycles and use for curing epoxy infused out-of-autoclave parts.

Gurit wins multi-year automotive supply contract CompositesWorld

Gurit has been selected to supply carbon fiber composite automotive body panels to an unidentified OEM at a total contract value of more than $34 million.

Composites for repair (2015) CompositesWorld

Composites now offer a cost-effective means repair and/or strengthen structures made of steel, concrete or other materials.

Ford introduces composites-intensive Ford GT carbon fiber supercar CompositesWorld

The all-new GT ultrahigh-performance supercar features a carbon fiber passenger cell and carbon fiber body panels hung on aluminum subframes.

Mitsubishi to integrate PAN- and pitch-based carbon fiber businesses CompositesWorld

With the integration, Mitsubishi will create a new organization by April 1 and hopes to enhance its position in the carbon fiber industrial market.

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