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Preparation of silicon carbide foams using polymeric precursor solutions

journal contribution
posted on 2016-09-12, 13:15 authored by Xujin BaoXujin Bao, Muhammad R. Nangrejo, Mohan J. Edirisinghe
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.

Funding

The authors wish to thank the Government of Pakistan for partial support of this work via a PhD scholarship to Mr. Nangrejo.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Materials

Published in

Journal of Materials Science

Volume

35

Pages

4365 - 4372

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.

Publisher

© Kluwer

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2000

Notes

Closed access.

ISSN

0022-2461

eISSN

1573-4803

Language

  • en

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