本文设计了Na2O-CaO-SiO2-MgO-Al2O3-ZnO体系,采用熔融法制备了以磷渣为主要原料的微晶玻璃,磷渣在微晶玻璃中的使用率达到67～75%,并利用XRD,SEM等确定了玻璃的最佳热处理制度,研究了Na2O对微晶玻璃析晶及特征的影响.结果发现经过 750 ℃核化4 h,850 ℃晶化2 h,得到主晶相为硅灰石(CaSiO3)和菱硅钙钠石(Na2Ca2Si3O9)的微晶玻璃.玻璃中表面析晶和整体析晶同时存在,其中Na2O可促进整体析晶和菱硅钙钠石的析出.
参考文献
| [1] | A.A. Francis .Crystallization kinetics of magnetic glass-ceramics prepared by the processing of waste materials[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2006(6):1146-1154. |
| [2] | Agarwal G;Hong K S .Crystallization behavior of cupola slag glass-ceramics[J].J.Non-Cryst.Solids,1991,139(02):187-197. |
| [3] | Guangren Qian;Yu Song;Cangang Zhang .Diopside-based glass-ceramics from MSW fly ash and bottom ash[J].Waste Management,2006(12):1462-1467. |
| [4] | Khater G A .The use of saudi slag for the production of glass-ceramics materials[J].Ceramics International,2002,28(01):59-67. |
| [5] | A. V. Gorokhovsky;V. A. Gorokhovsky;D. V. Mescheryakov .Inorganic wastes in manufacturing of glass-ceramics: slurry of phosphorous fertilizer production and oil shale ash[J].Materials Letters,2001(3):281-284. |
| [6] | E.N.Soboleva;N.S.Yuritsyn;V.L.Ugolkov .Kinetics of Crystal Nucleation of Na_2O centre dot 2CaO center dot 3SiO_2-Based Solid Solutions in Glasses of the Na_2SiO_3-CaSiO_3 Pseudobinary Join[J].Glass Physics and Chemistry: A Journal on the Structural, Physical, and Chemical Properties and Nature of Inorganic Glasses and Glass-Forming Melts,2004(6):481-486. |
| [7] | El-Shennawi A W A;Hamzawy E M A .Crystallization of some aluminosilicate glasses[J].Ceramics International,2001,27:725-730. |
| [8] | Mastelaro VR.;Lequeux NC.;Cortes R.;Zanotto ED. .Relationship between short-range order and ease of nucleation in Na2Ca2Si3O9, CaSiO3 and PbSiO3 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,2000(1/3):191-199. |
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