The cubic–tetragonal (c–t) phase transition in ZrO2−CeO2 is studied using samples prepared by both arc melting and sintering methods. The c–t transition proceeds during isothermal annealing at temperatures between 200 and 400°C in sintered samples, whereas the transition is induced after high temperature annealing at ∼1200°C in arc melted samples. The difference in phase transition between the two types of sample is explained in terms of oxygen vacancy concentration and the structure of the cubic state. The nature of the c–t phase transition is associated with the displacement of the oxygen ions in the cubic and tetragonal states.
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References
1.
DUWEZP. and ODELLF.: J. Am. Ceram. Soc., 1950, 33, 274.
2.
WEBERE. C., GARRETH. J., MAUERF. A., and SCHWARTZA.: J. Am. Ceram. Soc.,1956, 39, 197.
3.
TANIE., YOSHIMURAM. and SOMIYAS.: J. Am. Ceram. Soc., 1983, 66, (7), 506-510.
4.
TSUKUMAK. and SHIMADAM.: J. Mater. Sci.,1985,20, 1178–1184.
5.
REYEES-MORELP. E., CHERNGJ.-S., and CHENI.-W.: J. Am. Ceram. Soc.,1988, 71, (8), 648–657.
6.
HANNINKR. H. J. and SWAINM. V.: J. Am. Ceram. Soc.,1989, 72, (1), 90–98.
7.
HEUSSNERK.-H. and CLAUSSENN.: J. Am. Ceram. Soc.,1989, 72, (6), 1044–1046.
8.
GRATHWOHLG. and LIUT.: J. Am. Ceram. Soc., 1991, ‘74, (12), 3028-3034.
9.
MASCHIOS., SBAIZEROO., and MERIANIS.: J. Eur. Ceram. Soc.,1992, 9, 127–132.
10.
LEONOVA. I., KELERE. K., and ANDREEVAA. B.: OglIeUpOry, 1966, 31, (3), 42–48.
11.
TOROPOVN. A., ANDREEVI. F., SOKOLOVA. N., and SANZHAREVSKAYAL. N.: Iza. Akad. Nauk SSSR, Neorg. Mater., 1970, 6, (3), 519.
12.
THEUNISSENG. S. A. M., WINNUBSTA. J. A., and BURGGRAAFA. J. : J. Eur. Ceram. Soc.,1992, 9, 251–263.
13.
HILLERTM. and SAKUMAT.: Acta Metall. Mater.,1991, 39, (6), 1111–1115.
14.
HILLERTM.: J. Am. Ceram. Soc.,1991, 74, (8), 2005–2006.
