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Information at a Glance

General
  • Carbon fiber or carbon fibre (See spelling differences) can refer to carbon filament thread, or to felt or woven cloth made from those carbon filaments. By extension, it is also used informally to mean any composite material made with carbon filament. Carbon fibers are used in composites with a lightweight matrix.
  • Carbon fibers are a new breed of high-strength materials. Carbon fiber has been described as a fiber containing at least 90% carbon obtained by the controlled pyrolysis of appropriate fibers. Carbon fiber composites are ideally suited to applications where strength, stiffness, lower weight, and outstanding fatigue characteristics are critical requirements.

Production

  • Carbon fiber, a lightweight, strong engineering material, is produced by either melt or solution spinning Polyacrylonitrile polymer. The Polyacrylonitrile (PAN) precursor must be pure and free of fine particulate contamination in order for the resulting fiber to possess the very high tensile strength and stiffness desired.
  • The processing condition of particulate-reinforced composites (PRC) composed of carbon fibers, which is a matrix of particulate-filled FRC, was optimized and the influence of the pyrolysis atmosphere was studied. Fiber-reinforced ceramic matrix composites (CMC) have been intensively investigated for application in automotive brakes , high-efficiency engine systems or re-entry space vehicles which are exposed to high temperature and/or long life time conditions.

Technology

  • Membrane technology is for the development and characterization of polyacrylonitrile (PAN) based carbon hollow fiber membrane.It is becoming more useful for separation of gas mixture and offers great advantages in its operations (Robeson, 1999). Polymeric membranes had been successfully used for this purpose.
  • Lead-acid batteries are the most frequently used technology as electricity storage for renewable energy systems (RES) applications, and in particular for standalone PV applications. An Experiment on carbon-fibre technology lead-acid batteries in cyclic operations and in particular in extreme conditions of reverse polarisation of the electrodes was achieved by a very rare instrument failure causing the batteries to be completely discharged and their polarities reversed.

Applications

  • A novel porous carbon material based on carbon fibers has been developed. The material, when activated, develops a significant micro- or mesopore volume dependent upon the carbon fiber type utilized (isotropic pitch or polyacrylonitrile). The materials will find applications in the field of fluid separations or as a catalyst support.
  • Carbon fibers are a high-value product that can be derived from a low-value petroleum feedstock. An investigation is under gone for two potential carbon fiber applications: carbon fiber as a hot mix asphalt (HMA) additive and carbon fiber veils for carboncarbon composite pre-form applications.

Market

  • Production Capacity Increase of 25 Billion Yen Investment in Japan, Seeking for Carbon Fiber Sales of more than 110 Billion Yen. A report examines the current market status and evaluates the prospects for growth to 2007 for each of the main advanced polymer composite types (carbon fibre, aramid fibre, high modulus polyethylene fibre and speciality glass fibre reinforced polymers), and carbon-carbon composites
  • The report also provides market information on key reinforcement materials (carbon fibre, aramid fibre, high modulus polyethylene fibre, high performance glass fibre, boron), as well as polymer matrices, providing production capacities, details of product range, strategies of producers, and other information.

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