Fabrication of functionally graded SiAlON ceramics by tape casting
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol.89, no.10, pp.3255-3257, 2006 (SCI-Expanded, Scopus)
- Publication Type: Article / Article
- Volume: 89 Issue: 10
- Publication Date: 2006
- Doi Number: 10.1111/j.1551-2916.2006.01059.x
- Journal Name: JOURNAL OF THE AMERICAN CERAMIC SOCIETY
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Page Numbers: pp.3255-3257
- Anadolu University Affiliated: Yes
Abstract
Functionally graded SiAlON ceramics (FG-SiAlONs) were successfully prepared by the tape casting and lamination approach. Non-aqueous SiAlON slurries with five different alpha to beta-SiAlON ratios (85 alpha:15 beta, 70 alpha:30 beta, 55 alpha:45 beta, 40 alpha:60 beta, and 25 alpha:75 beta) 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-SiAlONs, 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-SiAlONs with a precisely controlled composition, and subsequently properties, as a function of position.