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Properties of liquid phase pressureless sintered silicon carbide obtained without sintering bed

TitleProperties of liquid phase pressureless sintered silicon carbide obtained without sintering bed
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2005
AuthorsMagnani, G., Beaulardi L., and Pilotti L.
JournalJournal of the European Ceramic Society
Volume25
Pagination1619-1627
ISSN09552219
KeywordsAlumina, Bending strength, Fracture toughness, hardness, Industrial applications, Liquid phase mechanism, Silicon carbide, Sintered density, Sintering, Sintering beds, Theoretical density (TD), Yttria, Yttrium compounds
Abstract

High density pressureless sintered silicon carbide bodies with yttria and alumina as sintering aids were obtained without sintering bed (LPSSC-NB). Sintering behavior of this material was studied between 1850 °C and 1950 °C and it was compared to the liquid phase sintered SiC material obtained using sintering bed (LPSSC-B). Sintered density was 97% of the theoretical density (T.D.) at 1875 °C. Mechanical properties like fracture toughness, hardness, flexural strength were determined and compared to other SiC-based materials. In this manner we were able to demonstrate that silicon carbide could successfully be sintered by means of liquid phase mechanism also without sintering bed. This fact opens liquid phase sintered silicon carbide to a wide range of industrial application. © 2004 Elsevier Ltd. All rights reserved.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-17844391060&doi=10.1016%2fj.jeurceramsoc.2004.05.014&partnerID=40&md5=4e67ff53288790ceaf29b36e0477f12d
DOI10.1016/j.jeurceramsoc.2004.05.014
Citation KeyMagnani20051619