The internal structure of single carbon fibers determined by simultaneous small‐ and wide‐angle scattering | Zendy

Paris O. | Zendy; Loidl D. | Zendy; Peterlik H. | Zendy; Müller M. | Zendy; Lichtenegger H. | Zendy; Fratzl P. | Zendy

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The internal structure of single carbon fibers determined by simultaneous small‐ and wide‐angle scattering

Author(s) -

Paris O.,

Loidl D.,

Peterlik H.,

Müller M.,

Lichtenegger H.,

Fratzl P.

Publication year - 2000

Publication title -

journal of applied crystallography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.429

H-Index - 162

ISSN - 1600-5767

DOI - 10.1107/s0021889899013436

Subject(s) - scattering , mesophase , microbeam , materials science , optics , synchrotron radiation , diffraction , fiber , small angle scattering , cross section (physics) , small angle x ray scattering , synchrotron , beam (structure) , solid angle , composite material , detector , physics , liquid crystal , quantum mechanics

Simultaneous small‐angle scattering and wide‐angle diffraction using a synchrotron radiation microbeam was applied for the first time to investigate single carbon fibers in a position‐resolved way. Taking into account the exact X‐ray beam profile and examining the fibers in two scattering geometries allowed a discrimination between different models for the internal arrangement of carbon layers and pores. For a fiber based on polyacrylnitrile the carbon layers were randomly oriented within the fiber cross section, whereas in a mesophase‐pitch based fiber the layers were arranged in a radial structure.

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