Effect of yttrium and lanthanum on the final-stage sintering behavior of ultrahigh-purity alumina

Journal of the American Ceramic Society

Volumn 80, Issue 8, 1997, Pages 2005-2012

  Fang, Jianxin ^a,b   Thompson, A Mark ^a,b   Harmer, Martin P ^a,b   Chan, Helen M ^a,b  

^a Lehigh University   (United States)

^b AMERICAN CERAMIC SOCIETY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADDITIVES; COMPOSITION EFFECTS; DENSIFICATION; DIFFUSION IN SOLIDS; DOPING (ADDITIVES); GRAIN BOUNDARIES; GRAIN GROWTH; GRAIN SIZE AND SHAPE; LANTHANUM; SEGREGATION (METALLOGRAPHY); SINTERING; YTTRIUM;

ULTRAHIGH PURITY ALUMINA;

ALUMINA;

EID: 0031199830     PISSN: 00027820     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1151-2916.1997.tb03084.x     Document Type: Article

References (31)

1. S. Lartigue, C. Carry, and L. Priester, "Grain Boundaries in High Temperature Deformation of Yttria and Magnesia Co-Doped Alumina," J. Phys. Colloq., C1, 51 [1] 985-90 (1990).
2. P. Gruffel and C. Carry, "Strain Rate Plateau in Creep of Yttria Doped Fine Grained Alumina"; pp. 305-11 in Proceedings of the 11th RISØ International Symposium on Metallurgy and Materials Science: Structural Ceramics - Microstructure and Properties. Edited by J. J. Bentzen, J. B. Bilde-Sorensen, N, Christiansen, A. Horsewell, and B. Ralph. Risø National Laboratory, Roskilde, Denmark, 1990.
3. J. D. French, J. Zhao, M. P. Harmer, H. M. Chan, and G. A. Miller, "Creep of Duplex Microstructures," J. Am. Ceram. Soc., 77 [11] 2857-65 (1994).
4. P. Nanni, C. T. H. Stoddart, and E. D. Hondros, "Grain Boundary Segregation and Sintering in Alumina," Mater. Chem., 1, 297-320 (1976).
5. 3," J. Less-Common Met., 70, 115-17 (1980).
6. E. Sato and C. Carry, "Sintering and Yttrium Grain Boundary Segregation in Sub-micron Grain Size Alumina," J. Phys. IV, 3 [11] 1335-40 (1993).
7. C. Herring, "Effect of Change Scale on Sintering Phenomena," J. Appl. Phys., 21, 301-303 (1950).
8. R. L. Coble, "Sintering Crystalline Solids. I. Intermediate and Final Stage Diffusion Models," J. Appl. Phys., 32, 787-92 (1962).
9. R. J. Brook, "Controlled Grain Growth"; pp. 331-64 in Treatise on Materials Science and Technology, Vol. 9, Fabrication Processes. Edited by F. F. Y. Wang. Academic Press, New York, 1976.
10. CRC Handbook of Chemistry and Physics, 71st Ed.; p. 12-1. Edited by D. R. Lide. CRC Press, Boca Raton, FL, 1991.
11. J. Zhao and M. P. Harmer, "Effect of Pore Distribution on Microstructure Development: III, Model Experiments," J. Am. Ceram. Soc., 75 [4] 830-43 (1992).
12. 3," Philos. Mag. Lett., 63 [1] 7-14 (1991).
13. A. M. Thompson and M. P. Harmer, "Influence of Atmosphere on the Final-Stage Sintering Kinetics of Ultra-High Purity Alumina," J. Am. Ceram. Soc., 76 [9] 2248-56 (1993).
14. 3 Doping," J. Mater. Sci., 30 [1] 201-11 (1995).
15. B. Bender, D. B. Williams, and M. R. Notis, "Investigation of Grain-Boundary Segregation in Ceramic Oxides by Analytical Scanning Transmission Electron Microscopy," J. Am. Ceram. Soc., 63 [9] 542-46 (1980).
16. 3 Ceramics. Edited by W. D. Kingery. American Ceramic Society, Columbus, OH, 1984.
17. P. Gruffel, F. Righetti, and C. Carry, "Evolution of Grain Shape and Size during High-Temperature Creep of a Yttria-Doped Fine-Grained Alumina," J. Mater. Sci., 28, 2061-66 (1993).
18. 3 Scale Formed on an ODS Alloy," J. Electrochem. Soc., 134, 3207-208 (1987).
19. 3," Oxid. Met., 39 [3-3] 167-95 (1993).
20. H. M. Tawancy and N. M. Abbas, "An Analytical Electron Microscopy Study of the Role of La and Y during High-Temperature Oxidation of Selected Ni-Base Alloys," Scr. Metall., 29, 689-94 (1993).
21. E. Schumann, J. C. Yang, M. Rühle, and M. J. Graham, "High Resolution SIMS and Analytical TEM Evaluation of Alumina Scales on β-NiAl Containing Zr or Y," submitted to Oxid. Met. (1994).
22. A. M. Thompson, K. K. Soni, H. M. Chan, M. P. Harmer, D. B. Williams, J. M. Chabala, and R. Levi-Setti, "Dopant Distributions in Rare-Earth-Doped Alumina," J. Am. Ceram. Soc., 80 [2] 373-76 (1997).
23. A. M. Thompson, H. M. Chan, and M. P. Harmer; unpublished work, 1995.
24. S. Lartigue and L. Priester, "Influence of Doping Elements on the Grain Boundary Characteristics in Alumina," J. Phys. Colloq., C5 [49] 451-56 (1988).
25. 3," Philos. Mag., A, 6, 493 (1990).
26. S. Lartigue, C. Carry, and L. Priester, "Grain Boundary in High Temperature Deformation of Yttria and Magnesia Co-doped Alumina," J. Phys. (Paris), C1 [51] 985 (1990).
27. J. Bruley, J. Cho, A. M. Thompson, J. Richman, H. M. Chan, and M. P. Harmer, "STEM Analysis of Grain Boundaries of Creep-Resistant Yttrium- and Lanthanum-Doped Alumina," to be submitted to J. Am. Ceram. Soc.
28. J. D. Cawley and J. W. Halloran, "Dopant Distribution in Nominally Yttrium-Doped Sapphire," J. Am. Ceram. Soc., 69 [8] C-195-C-196 (1986).
29. J. Fang, H. M. Chan, and M. P. Harmer; unpublished results, 1994.
30. M. K. Loudjani, J. Roy, A. M. Huntz, and R. Cortes, "Study by Extended X-ray Absorption Fine-Structure Technique and Microscopy of the Chemical State of Yttrium in α-Polycrystalline Alumina," J. Am. Ceram. Soc., 68 [11] 559-62 (1985).
31. 3," J. Am. Ceram. Soc., 69 [8] C-196-C-199 (1986).