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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.8 P.950~955

http://doi.org/10.1631/jzus.2004.0950


Investigation of compaction and sintering behavior of SiC powder after ultra-fine treatment


Author(s):  GUO Xing-zhong, YANG Hui

Affiliation(s):  Center of Nano-Science & Nano-Technology, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   gxzh_zju@163.com

Key Words:  SiC ceramic, Ultra-fine treatment, Compaction efficiency, Sintering behavior


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GUO Xing-zhong, YANG Hui. Investigation of compaction and sintering behavior of SiC powder after ultra-fine treatment[J]. Journal of Zhejiang University Science A, 2004, 5(8): 950~955.

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author="GUO Xing-zhong, YANG Hui",
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T1 - Investigation of compaction and sintering behavior of SiC powder after ultra-fine treatment
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Abstract: 
Silicon carbide ceramics were prepared with SiC powder treated by the fluidized bed opposed jet mill as raw materials, and the effects of the ultra-fine treatment mechanism on the compaction and sintering behavior of siC ceramics were investigated. The results showed that the compacts had higher density and microstructure homogeneity when the sintering temperature of the compact was decreased; and that the surface microstructure, densification and mechanical properties of the sintered body could be ameliorated obviously.

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Reference

[1] Biswas, K., Rixecker, G., 2001. Liquid phase sintering and microstructure–property relationships of silicon carbide ceramics with oxynitride additives. Materials Chemistry and Physics, 67:180-191.

[2] Giuseppe, M., Giancarlo, B., 2001. Pressureless sintering and properties of αSiC-B4C composite. Journal of the European Ceramic Society, 21:633-638.

[3] Lange, F.F., Davis, B.I., Aksay, I.A., 1983. Uniformity in Al2O3/ZrO2 composites by colloidal filtration. J. Am. Ceram. Soc., 66:190-192.

[4] Lange, F.F., 1989. Powder processing science and technology for increased reliability. J. Am. Ceram. Soc., 72:3-15.

[5] Liu, D.M., 1996. Influence of pore structure in green compacts on the densification of SiC-Al2O3-Y2O3. Ceramic International, 22:303-306.

[6] She, J.H., Ueno, K., 1999. Densification behavior and mechanical properties of pressureless-sintered silicon carbide ceramics with alumina and yttria additions. Materials Chemistry and Physics, 59:139-142.

[7] Vaßen, R., Förster, J., Stöver, D., 1995. Toughening of SiC ceramics by a bimodal grain size distribution produced by hiping ultrafine and coarse grained SiC powders. Nanostructured Materials, 6(5-8):889-892.

[8] Vaßen, R., Kaiser, A., Förster, J., Buchkremer, H.P., Stöver, D., 1996. Densification of ultrafine SiC powder. J. Sci., 31:3623-3637.

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Li Lily@ABC University<abcd@hotmail.com>

2010-11-21 13:33:38

Excellent journal

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