Affiliation:
1. National University of Defense Technology
Abstract
A new curing method, chemical vapour curing (CVC) for polycarbosilane (PCS) fibers using
unsaturated hydrocarbon (cyclohexene) vapour was studied. The low oxygen content SiC fibers were
prepared and when the oxygen content in fibers was lower than 4.0%, the maximum tensile strength
reached to 3.8GPa. The relationship between the tensile strength and the oxygen content of the fibers was
investigated. The structure and composition of SiC fibers were also characterized by element analysis,
FT-IR, XRD and XPS. Compared with that by air curing method, SiC fibers with less oxygen and better
mechanical properties were prepared by CVC method.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Cited by
5 articles.
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