Influence of the Oxygen Pressure on the Chemical State of Yttrium in Polycrystalline α-Alumina. Relation with Microstructure and Mechanical Toughness

Journal of the European Ceramic Society

Volumn 16, Issue 10, 1996, Pages 1099-1106

  Loudjani, M K ^a   Haut, C ^a  

^a CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000386522     PISSN: 09552219     EISSN: None     Source Type: Journal    
DOI: 10.1016/0955-2219(96)00031-3     Document Type: Article

References (13)

1. 3. Relation with oxidation. J. Mater. Sci., 28 (1993) 6466-6473.
2. Loudjani, M. K. & Cortès, R., X-ray absorption study of the local structure and the chemical state of yttrium in polycrystalline α-alumina. J. Eur. Ceram. Soc., 13 (1994) 77.
3. Loudjani, M. K., Thèse de Docteur d'Etat, Université Paris XI, Orsay, France, 1992.
4. Loudjani, M. K., Lesage, B. & Huntz, A. M., Influence du dopage et du mode d'élaboration sur la microstructure de l'alumine-α polycristalline - relation avec les propriétés de transport. Industrie Céramique, 801 (1986) 53.
5. Sato, E. & Carry, C., Sintering and yttrium grain boundary segregation in sub-micron size alumina. J. de Phys. IV, Colloque C7, 3 (1993) 1335.
6. Evans, A. G. & Charles E. A., Fracture toughness determinations by indentation. J. Am. Ceram. Soc., 59[7] (1976) 371.
7. Lawn, B. R., Evans, A. G. & Marshall D. B., Elastic plastic indentation damage in ceramics. The median radial cracks system. J. Am. Ceram. Soc., 63[9] (1980) 574.
8. Cook, R. F. & Pharr, G. M., Direct observation and analysis of indentation cracking in glasses and ceramics. J. Am. Ceram. Soc., 73[4] (1990) 787.
9. Mckinney, K. R., Chaskelis, H. H. & Freiman, S. W., Prediction of flaw sizes from acoustics emission measurement in ceramics. J. Am. Ceram. Soc., 59[7] (1976) 369.
10. 3. Adv. Ceram., 23 (1987) 247.
11. Mackrodt, W. C. & Tasker, P. W., Segregation isotherms at the surfaces of oxides. J. Am. Ceram. Soc., 72[9] (1989) 1576.
12. Petot-Ervas, G. & Petot, C., Point defects and mass transport under a thermodynamic potential gradient, J. Phys. Chem. Solids, 51 (1990) 901.
13. Monceau, D., Petot-Ervas, G. & Petot, C., Kinetic demixing profile calculation in oxide solid solutions under chemical potential gradient. Solid State Ionics, 45, (1990), 231.