A Near-Stoichiometric Sic-Based Fibre Obtained from a Polyaluminocarbosilane Precursor | Zendy

Yuxi Yu | Zendy; Xiaodong Li | Zendy; Feng Cao | Zendy

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A Near-Stoichiometric Sic-Based Fibre Obtained from a Polyaluminocarbosilane Precursor

Author(s) -

Yuxi Yu,

Xiaodong Li,

Feng Cao

Publication year - 2004

Publication title -

advanced composites letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.188

H-Index - 21

eISSN - 2633-366X

pISSN - 0963-6935

DOI - 10.1177/096369350401300504

Subject(s) - materials science , composite material , stoichiometry , scanning electron microscope , sintering , ultimate tensile strength , auger electron spectroscopy , creep , chemistry , physics , organic chemistry , nuclear physics

A near-stoichiometric SiC-based fibre containing ∼2 wt% aluminum, called SiC(Al) fibre, has been developed. SiC(Al) fibre can be obtained from an organometallic polymer precursor polyaluminocarbosilane by melt-spinning, oxidation curing, sintering at 1800°C in argon. SiC(Al) fibre was characterised by elemental chemical analysis, tensile test, Scanning electron microscopy, X-ray diffraction and Auger electron spectroscopy. Physical and mechanical properties of SiC(Al) fibre under thermal exposure, oxidation resistance and creep properties at elevated temperature were examined. The SiC(Al) fibre has more excellent oxidation resistance than Nicalon, Hi-Nicalon fibre and better creep resistance than the Tyranno SA fibre.

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