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 Recycling Technology Center receives $1.73 million state grant CompositesWorld

The grant will be used to purchase and install equipment to recycle carbon fiber scrap from the aerospace industry into value-added products.

NTPT thin ply carbon fiber picked for space telescope CompositesWorld

The 20m diameter Thin Aperture Light Collector (TALC) space telescope will feature significantly improved sensitivity and resolution.

Unlimited calculations now part of COMPOSIDE standard subscription CompositesWorld

The new model design allows engineers to perform more design and analysis.

Mitsubishi Rayon, Fiberline Composites form joint venture CompositesWorld

It will focus on manufacturing and distributing carbon fiber composite laminates for wind turbine blades.

Swedish show truck turns heads CompositesWorld

Fifty-one years ago, Swedish car mechanic Sven-Erik Bergendahl, nicknamed Svempa, started his tow truck business with a 1957 Plymouth sedan that he transformed into a truck, and since then, Svempa has created eye-catching and souped-up tow vehicles for car and truck shows across Europe.

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