Phase metastability of nanosized α-Al 2O 3 crystallites

Journal of the European Ceramic Society

Volumn 32, Issue 10, 2012, Pages 2153-2162

  Yang, Rung Je ^a   Yu, Pei Ching ^a   Chen, Chih Cheng ^b   Yen, Fu Su ^a  

^a NATIONAL CHENG KUNG UNIVERSITY   (Taiwan)

^b FAR EAST UNIVERSITY   (Taiwan)

Author keywords

Crystal growth; Crystallite size; D. Al 2O 3; Phase transformation

Indexed keywords

CRITICAL SIZE; D. AL 2O 3; DENSITY DIFFERENCE; IN-SITU; METASTABILITIES; MICROSTRUCTURE EVOLUTIONS; MOSAIC STRUCTURE; NANO-SIZED; STRAIN RELEASE; VOLUME EXPANSION;

CALCINATION; CRYSTAL GROWTH; CRYSTALLITE SIZE; MICROSTRUCTURE; PHASE TRANSITIONS;

ALUMINUM;

EID: 84862782649     PISSN: 09552219     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jeurceramsoc.2012.02.044     Document Type: Article

References (34)

1. Mullin J.W. Crystallization 1972, Butterworths, London. 2nd ed.
2. Volmer M. Kinetic der Phasenbildung 1939, Steinkoff, Dresdem, Germany.
3. Putnis A. Introduction to mineral sciences 1992, Cambridge University Press, New York.
4. Gary M., McAfee R., Wolf C.L. Glossary of geology 1987, American Geological Institute, Washington, DC, p. 604-5.
5. 2. J Phys Chem B 2000, 104:3481-3487.
6. 2 nanocrystal. Mater Sci Eng A 2005, 403:87-93.
7. Mayo M.J. Processing of nanocrystalline ceramics from ultrafine particles. Int Mater Rev 1996, 41:85-115.
8. 3 by liquid-feed flame spray pyrolysis. Nat Mater 2006, 5:710-712.
9. Badker P.A., Bailey J.E. The mechanism of simultaneous sintering and phase transformation in alumina. J Mater Sci 1976, 11:1794-1806.
10. Dynys F.W., Halloran J.W. Alpha alumina formation in alum-derived gamma alumina. J Am Ceram Soc 1982, 65:442-448.
11. 3 gels. Ultrastructure processing of ceramics, glasses and composites 1984, 142-151. John Wiley and Sons, New York. L.L. Hench, D.R. Ulrich (Eds.).
12. 3-suspensions. J Am Ceram Soc 2007, 90:2340-2346.
13. 3: the relevance of a " critical size" and: diffusional nucleation or " synchro-shear" ?. J Mater Sci 2001, 36:1833-1841.
14. McArdle J.L., Messing G.L. Seeding with γ-alumina for transformation and microstructure control in boehmite-derived α-alumina. J Am Ceram Soc 1986, 69:c-98-c-101.
15. 3-seeded boehmite-derived alumina. J Am Ceram Soc 1993, 76:214-222.
16. 3 crystallites during phase transformation. Nanostruct Mater 1999, 11:89-101.
17. Wen H.L., Yen F.S. Growth characteristics of boehmite-derived ultrafine theta and alpha-alumina particles during phase transformation. J Cryst Growth 2000, 208:696-708.
18. Chang P.L., Yen F.S., Cheng K.C., Wen H.L. Examinations on the critical and primary crystallite sizes during θ- to α-phase transformation of ultrafine alumina powders. Nano Lett 2001, 1:253-261.
19. Yang R.J., Yu P.C., Chen C.C., Yen F.S. Growth thermodynamics of nanoscaled α-alumina crystallites. Cryst Growth Des 2009, 9:1692-1697.
20. McHale J.M., Auroux A., Perrotta A.J., Navrotsky A. Surface energies and thermodynamic phase stability in nanocrystalline aluminas. Science 1997, 277:788-791.
21. Lodziana Z., Parlinski K. Dynamical stability of the α and θ phases of alumina. Phys Rev B 2003, 67. 174106-1-7.
22. Wolverton C., Hass K.C. Phase stability and structure of spinel-based transition aluminas. Phys Rev B 2000, 63. 024102-1-16.
23. Wefers K. Bell GM. Oxides and hydroxides of alumina. Technical Paper No. 19, Alcoa Research Laboratories; 1972.
24. Chan C.C., Kriven W.M., Young J.F. Physical stabilization of the β→γ transformation in dicalcium silicate. J Am Ceram Soc 1992, 75:1621-1627.
25. Yen F.S., Wang M.Y., Chang J.L. Temperature reduction of during θ- to α-phase transformation induced by high-pressure pretreatments of nano-sized alumina powders derived from boehmite. J Cryst Growth 2002, 236:197-209.
26. Yu P.C., Yen F.S., Lin T.C. θ-Crystallite growth restraint induced by the presence of α-crystallite in a nano-sized alumina powders system. J Cryst Growth 2004, 265:137-148.
27. 3 crystallite formation. J Cryst Growth 2007, 299:429-435.
28. 3 powder by thermal decomposition of AACH at low temperature. Chin J Process Eng 2002, 2:325-329.
29. 3. J Am Ceram Soc 1999, 82:825-832.
30. Cullity B.D. Elements of X-ray diffraction 1978, Addison-Wesley Publishing Company Inc., London, p. 81-106. 2nd ed.
31. Klein C., Hurlbut C.S. Manual of mineralogy 1993, John Wiley & Sons Inc., New York. 21st ed.
32. Wang Y.G., et al. Twinning in θ alumina investigated with high resolution transmission electron microscopy. J Eur Ceram Soc 1998, 18:299-304.
33. Levin I., Brandon D. Metastable alumina polymorphs: crystal structures and transition sequences. J Am Ceram Soc 1998, 81:1995-2001.
34. Arlt G. Review twinning in ferroelectric and ferroelastic ceramics: stress relief. J Mater Sci 1990, 25:2655-2666.