X‐ray Diffraction Study of the Structure of Silicon Nitride Fiber Made from Perhydropolysilazane

Yasuharu Yokoyama, Tokuro Nanba, Itaru Yasui, Hiroshi Kaya, Tsugio Maeshima, Takeshi Isoda

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Continuous stoichiometric silicon nitride fiber was produced by the pyrolysis of perhydropolysilazane. This high‐purity silicon nitride fiber is colorless and has high strength, modulus of elasticity, and thermal stability which are properties suitable for reinforcing plastics, metals, glasses, and even ceramics. The structures of three kinds of amorphous silicon nitride fibers (with stoichiometric, Si‐excess and O‐excess composition) were investigated by X‐ray diffraction followed by calculating the radial distribution functions. Radial distribution functions were calculated from several possible crystal structures and compared with observed radial distribution functions.

Original languageEnglish
Pages (from-to)654-657
Number of pages4
JournalJournal of the American Ceramic Society
Volume74
Issue number3
DOIs
Publication statusPublished - Mar 1991

Keywords

  • X‐ray diffraction
  • calculations
  • fibers
  • polysilazanes
  • silicon nitride

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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