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Processing, Structure, and Morphology of Graphitic Carbon Foams Produced from Anisotropic Pitch

  • D. Dutta (a1), Charles S. Hill (a2) and David P. Anderson (a2)

Abstract

In order to produce a three-dimensional interconected graphitic network, foams were produced from carbon fiber precursor pitch and processed similarly to high modulus carbon fibers. Uniform size distributions of open spherical cell graphitic carbon foams were produced by microcellular foam blowing of anisotropic pitch using homogeneous and heterogeneous nucleation. The widths of cell walls and ligaments were in the range of the diameters of pitch-based carbon fibers (7-10 μm) and possessed significant alignment of anisotropic pitch crystallites.

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