Conversion of monolithic gels to glasses in a multicomponent silicate glass system
作者： C. J. Brinker , S. P. Mukherjee
DOI: 10.1007/BF00540646
关键词:
摘要: Multicomponent silicate glasses of composition (wt%) 66SiO2-18B2O3-7Al2O3-6Na2O-3BaO were prepared by three sol-gel processes which differed primarily in the extent hydrolysis metal alkoxide precursors. Gels from solutions a stoichiometric excess water was added, causing extensive replacement OR groups (R ≡ (C x H(2x+1))s−1 hydroxyl groups, converted to fully dense, organic-free, monolithic at temperatures near glass transition temperature. containing large numbers showed enhanced densification lower due condensation reactions, but these gels could not be organic-free glasses. This investigation has shown that least possible mechanisms might operative during gel conversion: volume relaxation, reactions and viscous sintering.
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sci-hub.se 参考文章(12)
Masayuki Yamane, Shinji Aso, Seitarō Okano, Teruo Sakaino, Low temperature synthesis of a monolithic silica glass by the pyrolysis of a silica gel Journal of Materials Science. ,vol. 14, pp. 607- 611 ,(1979) , 10.1007/BF00772720
Hugh O. Pierson, Chemically vapor deposited coatings : a collection of papers presented at the 82nd annual meeting of the American Ceramic Society, April 27-30, 1980, Chicago, Illinois The American Ceramic Society. ,(1981)
Raymond Venable, William H. Wade, Pore Area and Adsorption Hysteresis for Packed Spheres The Journal of Physical Chemistry. ,vol. 69, pp. 1395- 1401 ,(1965) , 10.1021/J100888A050
R. Puyané, P.F. James, H. Rawson, Preparation of silica and soda-silica glasses by the sol-gel process Journal of Non-crystalline Solids. ,vol. 41, pp. 105- 115 ,(1980) , 10.1016/0022-3093(80)90196-9
G. Carturan, V. Gottardi, M. Graziani, Physical and chemical evolutions occurring in glass formation from alkoxides of silicon, aluminum and sodium Journal of Non-crystalline Solids. ,vol. 29, pp. 41- 48 ,(1978) , 10.1016/0022-3093(78)90138-2
B. E. Yoldas, Monolithic glass formation by chemical polymerization Journal of Materials Science. ,vol. 14, pp. 1843- 1849 ,(1979) , 10.1007/BF00551023
Stephen Brunauer, P. H. Emmett, Edward Teller, Adsorption of Gases in Multimolecular Layers Journal of the American Chemical Society. ,vol. 60, pp. 309- 319 ,(1938) , 10.1021/JA01269A023
S. P. Mukherjee, J. Zarzycki, J. P. Traverse, A comparative study of “gels” and oxide mixtures as starting materials for the nucleation and crystallization of silicate glasses Journal of Materials Science. ,vol. 11, pp. 341- 355 ,(1976) , 10.1007/BF00551446
M. Decottignies, J. Phalippou, J. Zarzycki, Synthesis of glasses by hot-pressing of gels Journal of Materials Science. ,vol. 13, pp. 2605- 2618 ,(1978) , 10.1007/BF02402747
Stephen Brunauer, R.Sh Mikhail, E.E Bodor, Pore structure analysis without a pore shape model Journal of Colloid and Interface Science. ,vol. 24, pp. 451- 463 ,(1967) , 10.1016/0021-9797(67)90243-3