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Title: Fabrication of SiC/SiC composites by means of in situ Crystallization of SiC Fibers
Authors: Suh, Min-Soo
Shimoda, Kazuya
Hinoki, Tatsuya  kyouindb  KAKEN_id
Keywords: SiC/SiC composite
Fabrication
in situ crystallization
Fiber deformation
Porosity
Issue Date: 24-Dec-2010
Publisher: Elsevier B.V.
Journal title: Journal of Nuclear Materials
Abstract: A novel challenge, the in situ crystallization of Pre-SiC reinforced-fiber during the fabrication of SiC/SiC composites, has been made for cost effectiveness. Constituent parts of each fabricated material with various manufacturing conditions were assessed by microscopic observation. The depending issues of a prototype process were rather serious that the unwanted areas were conspicuously observed in several places, such as a residual oxide area, unsintered area, course matrix, porosity along the fiber-tows, and a huge scale of deformation on fiber-tows. Crystallization process of Pre-SiC fiber itself caused volume contraction about 24.5%, which result in formation of a gap between the fiber-tow and pyrolytic carbon (PyC) interface. The optimization has been successfully made for a new fabrication technique by controlling most of the known defects. As a result, defects are rarely observed in final product of composite material.
Rights: © 2010 Published by Elsevier B.V.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/134579
DOI(Published Version): 10.1016/j.jnucmat.2010.12.081
Appears in Collections:Journal Articles

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