Study on Densification Behavior and Microwave Attenuation Characteristics in AlN/SiC Composites


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AlN-SiC Composites were obtained by hot-pressing at 1900ı for 1h in a nitrogen atmosphere. The influences of the amount of SiC on densification behavior and microwave attenuation characteristics were studied. The results showed that although the densification of composites decreased along with the increasing SiC content, it had no distinct influence on microwave attenuation characteristics. When the content of SiC increased, the attenuation of AlN-SiC composites increased within the range of 2 to 8 GHz. SiC is a kind of wide frequency attenuation agent.



Materials Science Forum (Volumes 475-479)

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Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie




X. Y. Li et al., "Study on Densification Behavior and Microwave Attenuation Characteristics in AlN/SiC Composites", Materials Science Forum, Vols. 475-479, pp. 1291-1294, 2005

Online since:

January 2005




[1] Akira Yamakawa and Shinya Oka: Japan, Japn Kokai Tokkyo Koho JP0226872. 1990-1-29.

[2] Tetsuga Abe, Yoshio Murakami: Japan, Japn Kokai Tokkyo Koho JPD2224402. 1990-09-06.

[3] G. Suchanek, Y. M. Tairov and V. F. Tsveikov: Sov. Tech. Phys. Lett. Vol. 9(1983), p.31.

[4] A. P. Dmitriev, N. V. Evlakhov, and A. S. Furman: Semiconductors Vol. 30(1996), p.60.

[5] Wenbo Bu, Tai Qiu, et al.: Key Engineering Materials vol. 247(2003), p.111.

[6] R. Ruh and A. Zangvil: J. Am. Ceram. Soc. Vol. 65(1982), pp.260-265.

[7] Y. W. Kim, S. H. Kim, et al.: Key Engineering Materials. Vol. 247(2003), p.267.

[8] C. Halushka, H. J. Kleebe, R. Franke, et al.: J Eur Ceram Soc. Vol. 20(2000), p.1355.

[9] J. S. Haggerty and A. Lightfoot: Ceram. Eng. Sci. Proc. Vol. 16(1995), p.475.