Aqueous dissolution of perovskite (CaTiO3): Effects of surface damage and [Ca2+] in the leachant

Journal of Materials Research

Volumn 20, Issue 9, 2005, Pages 2462-2473

  Zhang, Zhaoming ^a   Blackford, Mark G ^a   Lumpkin, Gregory R ^a,b   Smith, Katherine L ^a   Vance, Eric R ^a  

^a AUSTRALIAN NUCLEAR SCIENCE AND TECHNOLOGY ORGANISATION   (Australia)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ANNEALING; ATOMIC FORCE MICROSCOPY; CHARACTERIZATION; CHEMICAL POLISHING; DISSOLUTION; LEACHING; MECHANICAL PROPERTIES; POSITIVE IONS; SCANNING ELECTRON MICROSCOPY; TITANIUM DIOXIDE; TRANSMISSION ELECTRON MICROSCOPY; X RAY PHOTOELECTRON SPECTROSCOPY;

AQUEOUS DISSOLUTION; SURFACE DAMAGE EFFECTS;

PEROVSKITE;

EID: 29144526723     PISSN: 08842914     EISSN: None     Source Type: Journal    
DOI: 10.1557/JMR.2005.0294     Document Type: Article

References (33)

1. A.E. Ringwood: Safe Disposal of High Level Nuclear Reactor Waste: A New Strategy (Australian National University Press, Canberra, Australia, 1978).
2. A.E. Ringwood, S.E. Kesson, K.D. Reeve, D.M. Levins, and E.J. Ramm: Synroc, in Radioactive Waste Forms for the Future, edited by W. Lutze and R.C. Ewing (Elsevier, Amsterdam, Netherlands, 1988), p. 233.
3. P.E. Fielding and T.J. White: Crystal chemical incorporation of high level waste species in aluminotitanate-based ceramics: Valence, location, radiation damage, and hydrothermal durability. J. Mater. Res. 2, 387 (1987).
4. K.L. Smith, K.P. Hart, G.R. Lumpkin, P. McGlinn, P. Lam, and M.G. Blackford: A description of the kinetics and mechanisms which control the release of HLW elements from synroc, in Scientific Basis for Nuclear Waste Management XIV, edited by T.A. Abrajano, Jr. and L.H. Johnson (Mater. Res. Soc. Symp. Proc. 212, Pittsburgh, PA, 1991), p. 167.
5. G.R. Lumpkin, K.L. Smith, and M.G. Blackford: Electron microscope study of synroc before and after exposure to aqueous solutions. J. Mater. Res. 6, 2218 (1991).
6. K.L. Smith, G.R. Lumpkin, M.G. Blackford, R.A. Day, and K.P. Hart: The durability of synroc. J. Nucl. Mater. 190, 287 (1992).
7. G.R. Lumpkin, K.L. Smith, and M.G. Blackford: Development of secondary phases on synroc leached at 150°C, in Scientific Basis for Nuclear Waste Management XVIII, Part 2, edited by T. Murakami and R.C. Ewing (Mater. Res. Soc. Symp. Proc. 353, Pittsburgh, PA, 1995), p. 855.
8. K.L. Smith, M. Colella, G.J. Thorogood, M.G. Blackford, G.R. Lumpkin, K.P. Hart, K. Prince, E. Loi, and A. Jostsons: Dissolution of synroc in deionized water at 150°C, in Scientific Basis for Nuclear Waste Management XX, edited by W.J. Gray and I.R. Triay (Mater. Res. Soc. Symp. Proc. 465, Pittsburgh, PA, 1997), p. 349.
9. A. Jostsons, K.L. Smith, M.G. Blackford, K.P. Hart, G.R. Lumpkin, P. McGlinn, S. Myhra, A. Netting, D.K. Pham, R.St.C. Smart, and P.S. Turner: Description of Synroc Durability: Kinetics and Mechanisms of Reaction, NERDDP Report No. 1319 (Australian National Energy Research Development and Demonstration Program, ANSTO, Sydney, Australia, 1990).
10. J.A. Cooper, D.R. Cousens, J.A. Hanna, R.A. Lewis, S. Myhra, R.L. Segall, R.St.C. Smart, P.S. Turner, and T.J. White: Intergranular films and pore surfaces in synroc C: Structure, composition and dissolution characteristics. J. Am. Ceram. Soc. 69, 347 (1986).
11. 3). J. Mater. Sci. 22, 3217 (1987).
12. S. Myhra, R.St.C. Smart, and P.S. Turner: The surfaces of titanate minerals, ceramics and silicate glasses: Surface analytical and electron microscope studies. Scanning Microsc. 2, 715 (1988).
13. P.S. Turner, C.F. Jones, S. Myhra, F.B. Neall, D.K. Pham, and R.St.C. Smart: Dissolution mechanisms of oxides and titanate ceramics - electron microscope and surface analytical studies, in Surfaces and Interfaces of Ceramic Materials, edited by L.-C. Dufour, C. Monty, and G. Petot-Ervas (Kluwer Academic Publishers, Dordrecht, Netherlands, 1989), p. 663.
14. 3 - solution analysis, surface analysis and electron microscope studies - implications for synroc, in Scientific Basis for Nuclear Waste Management XII, edited by W. Lutze and R.C. Ewing (Mater. Res. Soc. Symp. Proc. 127, Pittsburgh, PA, 1989), p. 231.
15. T. Kastrissios, M. Stephenson, P.S. Turner, and T.J. White: Hydrothermal dissolution of perovskite: Implications for synroc formulation. J. Am. Ceram. Soc. 70, C-144 (1987).
16. P.J. McGlinn, K.P. Hart, E.H. Loi, and E.R. Vance: pH dependence of the aqueous dissolution rates of perovskite and zirconolite at 90°C, in Scientific Basis for Nuclear Waste Management XVIII, Part 2, edited by T. Murakami and R.C. Ewing (Mater. Res. Soc. Symp. Proc. 353, Pittsburgh, PA, 1995), p. 847.
17. S. Myhra, D. Savage, A. Atkinson, and J.C. Riviere: Surface modification of some titanate minerals subjected to hydrothermal chemical attack. Am. Mineral. 69, 902 (1984).
18. S. Myhra, D.K. Pham, R.St.C. Smart, and P.S. Turner: Surface reactions and dissolution of ceramics and high temperature superconductors, in Science of Ceramic Interfaces, edited by J. Nowotny (Elsevier, Amsterdam, Netherlands, 1991), p. 569.
19. D.R.G. Mitchell, D.J. Attard, and M.L. Carter: Cross sectional transmission electron microscopy of metallographic damage in hollandite nuclear wasteforms. Mater. Charact. 48, 359 (2002).
20. P.A.W. van der Heide: Surface core level shifts in photo-electron spectra from the Ca, Sr and Ba titanates. Surf. Sci. 490, L619 (2001).
21. J-K. Liou, M-H. Lin, and H-Y. Lu: Crystallographic facetting in sintered barium titanate. J. Am. Ceram. Soc. 85, 2931 (2002).
22. R.H. Mitchell: Perovskites - Modern and Ancient (Almaz Press, Thunder Bay, Ontario, Canada, 2002).
23. M. Hu, H-R. Wenk, and D. Sinitsyna: Microstructures in natural perovskites. Am. Mineral. 77, 359 (1992).
24. 3 at 1400°C in air. J. Am. Ceram. Soc. 86, 1933 (2003).
25. Y. Inoue and I. Yasumori: Catalysis by alkaline earth metal oxides. III. X-ray photoelectron spectroscopic study of catalytically active MgO, CaO, and BaO surfaces. Bull. Chem. Soc. Jpn. 54, 1505 (1981).
26. 2 minerals. Am. Mineral. 77, 545 (1992).
27. S. Ban and S. Maruno: Hydrothermal-electrochemical deposition of hydroxyapatite. J. Biomed. Mater. Res. 42, 387 (1998).
28. D. Strachan: Pacific Northwest National Laboratory. Private communication, 2005.
29. T.J. Wolery: EQ3/6, a Software Package for Geochemical Modeling of Aqueous Systems: Package Overview and Installation Guide, UCRL-MA-110662 PT 1 (Lawrence Livermore National Laboratory, Livermore, CA, 1992).
30. K.G. Knauss, M.J. Dibley, W.L. Bourcier, and H.F. Shaw: Ti(IV) hydrolysis constants derived from rutile solubility measurements made from 100 to 300°C. Appl. Geochem. 16, 1115 (2001).
31. M.A. Clynne and R.W. Potter, II: Solubility of some alkali and alkaline earth chlorides in water at moderate temperatures. J. Chem. Eng. Data 24, 338 (1979).
32. W.S. Fyfe, N.J. Price, and A.B. Thompson: Fluids in the Earth's Crust (Elsevier, Amsterdam, Netherlands, 1978), p. 30.
33. E.R. Vance, F.G. Karioris, L. Cartz, and M.S. Wong: Radiation effects on sphene and sphene-based glass-ceramics, in Advances in Ceramics, Vol. 8, edited by G.G. Wicks and W.A. Ross (American Ceramic Society, Westerville, OH, 1984), p. 62.