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Fabrication and microstructure of porous SiC ceramics with Al2O3 and CeO2 as sintering additives
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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Number of Authors: 6
2016 (English)In: Ceramics International, ISSN 0272-8842, E-ISSN 1873-3956, Vol. 42, no 11, 12613-12616 p.Article in journal (Refereed) Published
Abstract [en]

In the present study, porous silicon carbide ceramics were prepared via spark plasma sintering at relatively low temperatures using Al2O3 and CeO2 as sintering additives. Sacrificial template was selected as the pore forming mechanism, and gelcasting was used to fix the slurry in a short time. The evolution process of the microstructures during different steps was observed by SEM. The influence of the sintering temperature and sintering additives on the shrinkage and porosity of the samples was studied. The microstructures of different samples were characterized, and the mechanical properties were also evaluated.

Place, publisher, year, edition, pages
2016. Vol. 42, no 11, 12613-12616 p.
Keyword [en]
Sintering, Porosity, Mechanical properties, SiC
National Category
Chemical Sciences Materials Engineering
Identifiers
URN: urn:nbn:se:su:diva-132921DOI: 10.1016/j.ceramint.2016.04.147ISI: 000378952100009OAI: oai:DiVA.org:su-132921DiVA: diva2:957533
Available from: 2016-09-02 Created: 2016-08-26 Last updated: 2016-09-02Bibliographically approved

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Liu, LeifengShen, Zhijian
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Department of Materials and Environmental Chemistry (MMK)
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