Fabrication of functionally graded SiAlON ceramics by tape casting

Nurcan Calis Acikbas, Ender Suvaci*, Hasan Mandal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

Functionally graded SiAlON ceramics (FG-SiAIONs) were successfully prepared by the tape casting and lamination approach. Non-aqueous SiAlON slurries with five different α to β-SiAION ratios (85α:15β, 70α:30β, 55α:45β, 40α:60β, and 25α:75β) were prepared by a 66 methyl ethyl ketone/34 ethanol (vol%) mixture. Phase and microstructure analyses incorporation with hardness measurements clearly show that the FG-SiAIONs, prepared by tape casting, exhibit a continuous and gradual change in composition and hardness. Thus, the tape casting approach is a viable method to produce FG-SiAIONs with a precisely controlled composition, and subsequently properties, as a function of position.

Original languageEnglish
Pages (from-to)3255-3257
Number of pages3
JournalJournal of the American Ceramic Society
Volume89
Issue number10
DOIs
Publication statusPublished - Oct 2006
Externally publishedYes

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