G.A. Gogotsi/ Ceramics International 29(2003)777-784 [16 G.A. Gogotsi, Mechanical behaviour of yttria- and ferric oxide. [20 T Nishida, Y. Hanaki, G. Pezzotti, Effect of notch-root on the doped zirconia in different temperatures, Ceramics International fracture toughness of a fine-grained alumina. Journal of the 4(1998)589-595 American Ceramic Society 77(1994)606-608 [17 G.A. Gogotsi, E.E. Lomonova. Micro-Raman spectroscopy [21]Rw. Davidge, G. Tappin, The effective surface energy of brittle study of indentation-induced phase transformation in zirconia materials. Journal of Materials Science 3(1968)165-173. rystals, Refractory and Industrial Ceramics 41(2000)191 22] G.A. Gogotsi, Deformational behaviour of ceramics, Journal of the European Ceramic Society 7(1991)87-92. [18 M. Mizuno, Y. Nagano, J -w. Cao, J.-l. Kon, VAMAS round [23] ISo DIS 15732. Fine Ceramic(Advanced Ceramics, Advanced robin on fracture toughness measurements Technical Ceramics)Test Method for Fracture Toughness of omposite, in Abstracts, 9th International Con Monolithic Ceramics at Room Temperature by Single Edge Pre- ern Materials Technologies(CIMTEC 98). cracked Beam(SEPB) Method, ISO/TC 206. 1999 June 1998,d.108. [24 G.A. Gogotsi, A.V. Drozdov, V P. Zavada, M.V. Swain [19R. Damani, R. Gstrain, R. Danzer, Critical notch-root radius parison of the mechanical behaviour of partially stabilised zirco- effect in SENB-S fracture toughness testing Journal of the eur- ia with yttria and magnesia, Journal of the Australian Ceramic opean Ceramic Society 16(1996)695-702. Society27(1991)3749[16] G.A. Gogotsi, Mechanical behaviour of yttria- and ferric oxide￾doped zirconia in different temperatures, Ceramics International 24 (1998) 589–595. [17] G.A. Gogotsi, E.E. Lomonova, Micro-Raman spectroscopy study of indentation-induced phase transformation in zirconia crystals, Refractory and Industrial Ceramics 41 (2000) 191– 195. [18] M. Mizuno, Y. Nagano, J.-W. Cao, J.-l. Kon, VAMAS round robin on fracture toughness measurements of ceramic matrix composite, in Abstracts, 9th International Conference on Mod￾ern Materials & Technologies (CIMTEC’98), Florence, Italy, June 1998, d. 108. [19] R. Damani, R. Gstrain, R. Danzer, Critical notch-root radius effect in SENB-S fracture toughness testing, Journal of the Eur￾opean Ceramic Society 16 (1996) 695–702. [20] T. Nishida, Y. Hanaki, G. Pezzotti, Effect of notch-root on the fracture toughness of a fine-grained alumina, Journal of the American Ceramic Society 77 (1994) 606–608. [21] R.W. Davidge, G. Tappin, The effective surface energy of brittle materials, Journal of Materials Science 3 (1968) 165–173. [22] G.A. Gogotsi, Deformational behaviour of ceramics, Journal of the European Ceramic Society 7 (1991) 87–92. [23] ISO DIS 15 732. Fine Ceramic (Advanced Ceramics, Advanced Technical Ceramics)—Test Method for Fracture Toughness of Monolithic Ceramics at Room Temperature by Single Edge Pre￾cracked Beam (SEPB) Method, ISO/TC 206, 1999. [24] G.A. Gogotsi, A.V. Drozdov, V.P. Zavada, M.V. Swain, Com￾parison of the mechanical behaviour of partially stabilised zirco￾nia with yttria and magnesia, Journal of the Australian Ceramic Society 27 (1991) 37–49. 784 G.A. Gogotsi / Ceramics International 29 (2003) 777–784