Phase formation and microstructural evolution of R-α′-AlN-polytypoid ceramics (R=Y, Y+Sm and Sm)

Journal of the European Ceramic Society

Volumn 20, Issue 9, 2000, Pages 1327-1331

  Chen, Wei Wu ^a   Li, Ya Wen ^a   Sun, Wei Ying ^a   Yan, Dong Sheng ^a  

^a SHANGHAI INSTITUTE OF CERAMICS   (China)

Author keywords

AlN polytypoid; Microstructure final; Rare earths; Sialon

Indexed keywords

ALUMINUM COMPOUNDS; ASPECT RATIO; COMPOSITION EFFECTS; CRYSTAL MICROSTRUCTURE; MORPHOLOGY; SAMARIUM; YTTRIUM;

ALUMINUM NITRIDE; POLYTYPOID;

CERAMIC MATRIX COMPOSITES;

EID: 0033699971     PISSN: 09552219     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0955-2219(00)00006-6     Document Type: Article

References (11)

1. Cao G.Z., Metselaar R. α′-Sialon ceramics: a review. Chem. Mater. 3:1991;242-252.
2. Becher P.F. Design of toughened ceramics. J. Am. Ceram. Soc. 74:1991;255-269.
3. Li H.X., Sun W.Y., Yan D.S., Tien T.Y. Fabrication and mechanical properties of α′-sialon-12H multiphase ceramics. Yan D.S.et al. Proceedings of the 5th International Symposium on Ceramic Materials and Components for Engines. 1995;194-197 World Scientific, Shanghai.
4. Li H.X., Sun W.Y., Yan D.S. Mechanical properties of hot-pressed 12H ceramics. J. Eur. Ceram. Soc. 15:1998;697-701.
5. Chen, W. W., Sun, W. Y. and Yan, D. S., Submitted to Mater. Letters.
6. Li, H. X., Study and design of toughened-sialon-AlN-polytypoid dual-phase ceramics. PhD thesis, Shanghai Institute of Ceramics, Shanghai, 1994.
7. Menon, Mohan, Chen I-Wei Reaction densification of α-sialon: I, wetting behavior and acid-base reactions. J. Am. Ceram. Soc. 78:1995;545-552.
8. Sun W.Y., Tien T.Y., Yan D.S. Subsolidus phase relationships in part of the system Si,Al,Y/N,O: the system Si3N4-AlN-YN-Al2O3-Y2O3. J. Am. Ceram. Soc. 11:1991;2753-2758.
9. Cheng Y.B., Thompson D.P. Preparation and grain boundary heat treatment of samarium α-sialon ceramics. J. Eur. Ceram. Soc. 14:1994;13-21.
10. Wang P.L., Sun W.Y., Ten T.S. Sintering and formation of R-α′-Sialons (R=Nd, Sm, Gd, Dy, Er and Yb). Eur. J. Solid State Inorg. Chem. 31:1994;93-104.
11. Zhang C., Sun W.Y., Yan D.S. Optimizing mechanical properties and thermal stability of Ln-α-β-sialon by using duplex Ln elements (Dy and Sm). J. Eur. Ceram. Soc. 19:1999;33-39.