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Title: Preparation of silicon carbide foams using polymeric precursor solutions
Authors: Bao, Xujin
Nangrejo, Muhammad R.
Edirisinghe, Mohan J.
Keywords: Silicon carbide
Foam
Issue Date: 2000
Publisher: © Kluwer
Citation: BAO, X., NANGREJO, M. and EDIRISINGHE, M., 2000. Preparation of silicon carbide foams using polymeric precursor solutions. Journal of Materials Science, 35 (17), pp.4365-4372.
Abstract: A simple method was developed to produce silicon carbide foams using polysilane polymeric precursors. Polyurethane foams were immersed in polysilane precursor solutions to prepare pre-foams. Subsequently, these were heated in nitrogen at different temperatures in the range of 900±C to 1300±C. The silicon carbide foams produced in this manner showed well-defined open-cell structures and the struts in the foams were free of voids. The shrinkage which accompanies pyrolysis of the pre-foams was reduced by increasing the concentration of the polymeric precursor in the solutions.
Description: Closed access.
Sponsor: The authors wish to thank the Government of Pakistan for partial support of this work via a PhD scholarship to Mr. Nangrejo.
Version: Published
DOI: 10.1023/A:1004805023228
URI: https://dspace.lboro.ac.uk/2134/22404
Publisher Link: http://dx.doi.org/10.1023/A:1004805023228
ISSN: 0022-2461
Appears in Collections:Closed Access (Materials)

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