本文通过块体法测定了玻璃的化学稳定性,同时采用MAS NMR研究了玻璃的结构.通过比较玻璃化学腐蚀速率,研究了不同稀土浓度的B2O3-SiO2-Al2O3-Sm2O3体系玻璃的结构及其在碱溶液中的抗腐蚀能力,探讨其侵蚀机理与规律.结果表明:碱溶液对玻璃的侵蚀是通过OH-离子破坏骨架造成.玻璃体系中三维网络阴离子群增加越多,玻璃结构越牢固,玻璃的抗碱能力越强;此外,由于稀土离子具有较强的积聚能力,适当地提高稀土氧化物在玻璃体中浓度有利于提高玻璃的抗碱性能.
参考文献
| [1] | Saddeek YB. .Structural analysis of alkali borate glasses[J].Physica, B. Condensed Matter,2004(1/4):163-175. |
| [2] | 邱关明;黄良钊;张希艳.稀土光学玻璃[M].北京:兵器工业出版社,1989:77-90. |
| [3] | 陆春华,许仲梓,倪亚茹,孟献丰.稀土掺杂ABS防激光玻璃的制备及其结构研究[J].光学技术,2004(01):65-67,69. |
| [4] | B. C. Schmidt;T. Riemer;S. C. Kohn;F. Holtz;R. Dupree .Structural implications of water dissolution in haplogranitic glasses from NMR spectroscopy: Influence of total water content and mixed alkali effect[J].Geochimica et Cosmochimica Acta: Journal of the Geochemical Society and the Meteoritical Society,2001(17):2949-2964. |
| [5] | 陆春华,许仲梓.Sm3+掺杂碱锌硼硅酸盐玻璃析晶过程的微观结构研究[J].玻璃与搪瓷,2004(01):15-18. |
| [6] | James p F.Glass-ceramics:new compositions and uses[J].Journal of Non-Crystalline Solids,1995(181):1-15. |
| [7] | 赵青林,步恒祉,吴正明.含锆耐碱玻璃中SiO2、ZrO2碱蚀动力学的研究[J].武汉工业大学学报,1997(04):63-67. |
| [8] | Zhang GY.;Poulain MJ. .Influence of rare-earth ions on fluorogallate glass formation and properties[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(0):15-20. |
| [9] | Antropova TV .Kinetics of corrosion of the alkali borosilicate glasses in acid solutions[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2004(0):270-275. |
| [10] | Kojima G.;Sakamoto O.;Yamamoto Y.;Kawamoto M.;Matsumoto K. .Interaction of water with glass at very high temperature under dynamic condition and the properties of the obtained glass surface[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2001(1/3):50-58. |
| [11] | 孙玉珍;苏友安;何宝业 .提高Na2O-TiO2-SiO2系玻璃化学稳定性的研究[J].硅酸盐学报,1984,12(01):59-65. |
| [12] | Ngai KL. .The dynamics of ions in glasses: importance of ion-ion interactions[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2003(1/3):120-126. |
| [13] | Bell LN;Bell HM;Glass TE .Water mobility in glassy and rubbery solids as determined by oxygen-17 nuclear-magnetic resonance: Impact on chemical stability[J].LWT-Food Science & Technology,2002(2):108-113. |
| [14] | Mysen BO;Cody GD .Solubility and solution mechanism of H2O in alkali silicate melts and glasses at high pressure and temperature[J].Geochimica et Cosmochimica Acta: Journal of the Geochemical Society and the Meteoritical Society,2004(24):5113-5126. |
| [15] | 曹志峰;张希艳;杨魁胜 等.对含Y2O3和Gd2O3的La2O3-B2O3-BaO玻璃化学稳定性研究[J].光学技术,1997,7(04):12-13. |
| [16] | N. J. Clayden;S. Esposito;A. Aronne;P. Pernice .Solid state ~(27)Al NMR and FTIR study of lanthanum aluminosilicate glasses[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,1999(1/3):11-19. |
| [17] | Jin JS.;Yoko T.;Nogami M.;Sakida S. .The local structure of Sm-doped aluminosilicate glasses prepared by sol-gel method[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2000(1/3):183-190. |
| [18] | Conradt R. .A proposition for an improved theoretical treatment of the corrosion of multi-component glasses[J].Journal of Nuclear Materials: Materials Aspects of Fission and Fusion,2001(1/2):19-26. |
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