Microstructure inhomogeneity in Al2O3 sintered bodies formed during the plasma-activated sintering process

Y. Ishiyama, in Proceedings of the 1993 Powder Metallurgy World Congress, edited by Y. Bando and K. Kosuge, Kyoto, Japan, July 1993 (Japan Society of Powder and Powder Metallurgy, 1993) p. 931. M. Tokita, J. Soc. Powd. Tech. Japan 30(1993) 790. O. Yanagisawa, T. Hatayama and K. Matsugi, Mater. Japan 33(1994) 1489. N. Murayama, Ceramics 32(1997) 445. T. Nishimura, M. Mitomo, H. Hirotsuru and M. Kawahara, J. Mater. Sci. Lett. 14(1995) 1046. Y. Kinemuchi and K. Ishizaki, in Proceedings of the 22nd Annual Cocoa Beach Conference and Exposition on Composites, Advanced Ceramics, Materials and Structures, Cocoa Beach, FL, January 1998 (American Ceramic Society, 1998) Paper No. SI–016–98. T. Nagae, M. Yokota and M. Nose, J. Japan Soc. Powd. Powd. Metall. 45(1998) 169. M. Omori, H. Sakai, A. Okubo and T. Hirai, in Proceedings of the 3rd International Symposium Struct. Funct. Gradient Materials, Lausanne, Switzerland, 1994, edited by B. Ilschner and N. Cherradi (Presses Polytechniques et Universitaires Romandes, 1994) p. 71. M. Omori, A. Okubo, K. Gilhwan and T. Hirai, J. Mater. Syn. Proc. 5(1997) 279. K. Inoue, US Patent no. 3.241.956 (1966). M. Tokita, New Ceramics 7(1994) 63. S. H. Risbud and J. R. Groza, Philosophical Magazine B 69(1994) 525. Y. Makino, New Ceramics 10(1997) 39. H. Tomino, H. Watanabe and Y. Kondo, J. Jpn. Soc. Powd. Powd. Metall. 44(1997) 974. D.-J. Chen and M. J. Mayo, J. Amer. Ceram. Soc. 79(1996) 906.