应用扫描电子显微镜、X射线衍射及示差扫描量热法等技术研究了一种SiO2-Al2O3-CaO-MgO-Fe2O3-ZrO-F玻璃陶瓷析晶特征和组织形貌.结果表明:玻璃转变温度为725 ℃左右,在730 ℃后形成了分布均匀的孔状非晶态分相现象.在第一放热峰温度(820 ℃)析晶时,玻璃样品为表面析晶,析出晶体为钙长石(CaAl2Si2O8)和硅灰石(CaSiO3).从表面向内部分别形成枝状晶体、枝状晶体和粒状晶体、粒状晶体三层不同的表面析晶形态.在1040 ℃保温后,玻璃样品中表面析晶和整体析晶共存,析出晶相均以钙长石为主.
参考文献
| [1] | Duan R G;Ling K M;Gu S R .Effect of Na+ ion on the structure of 27CaO · 12A12O3 · 61SiO2 glass[J].Materials Chemistry and Physics,1999,57(01):92-94. |
| [2] | 史培阳,姜茂发,刘承军,王德永,朱明伟.CaO对CaO-Al2O3-SiO2系微晶玻璃析晶和性能的影响[J].硅酸盐学报,2004(11):1389-1393. |
| [3] | 俞冰,梁开明,顾守仁.CaO-P2O5-MgO-SiO2-F系可切削生物微晶玻璃的制备[J].硅酸盐学报,2002(01):77-80. |
| [4] | Maximina Romero;Jeshs Ma. Rinc6n;Svetozar Mnsik .MOSSBAUER EFFECT AND X-RAY DISTRIBUTION FUNCTION ANALYSIS IN COMPLEX Na.OCaOZnO--Fe_2O_rAl_2O_3--SiO_2 GLASSES AND GLASS-CERAMICS[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,1999(7):1107-1115. |
| [5] | 陈璐,李素珍.CaO-MgO-Al2O3-SiO2系统玻璃表面析晶的研究[J].硅酸盐通报,2003(02):70-72,80. |
| [6] | Agathopoulos S;Tulyaganov DU;Ventura JMG;Kannan S;Saranti A;Karakassides MA;Ferreira JMF .Structural analysis and devitrification of glasses based on the CaO-MgO-SiO2 system with B2O3, Na2O, CaF2 and P2O5 additives[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,2006(4):322-328. |
| [7] | Barbieri L;Ferrari A M;Lancellotti I et al.Crystallization of (Na2O-MgO)-CaO-Al2O3-SiO2 systems formulated from waste products[J].Journal of The American Chemical Society,2000,83(10):2515-2520. |
| [8] | Li M Y;Maxghussion V K;Dayiniaki M H .Effects of composition changes on the crystallization behavior and properties of SiO2-Al2O3-CaO-MgO (Fe2O3-Na2O-K2O) glass-ceramics[J].Journal of the European Ceramic Society,1995,15(04):343-348. |
| [9] | Barbieri L;Leonelli C;Manfredini T et al.Solubility,reactivity and nucleation effect of Cr2O3 in the CaO-MgO-Al2O3-SiO2 glassy system[J].Journal of Materials Science,1994,29(23):6273-6280. |
| [10] | M. Rezvani;B. Eftekhari-Yekta;M. Solati-Hashjin .Effect of Cr_2O_3, Fe_2O_3 and TiO_2 nucleants on the crystallization behaviour of SiO_-Al_2O_3CaO-MgO(R_2O) glass-ceramics[J].Ceramics International,2005(1):75-80. |
| [11] | Alizadeh P;Marghussian V K .Effect of nucleating agents on the crystallization behavior and microstructure of SiO2-CaO-MgO (Na2O) glassceramics[J].Journal of the European Ceramic Society,2002,20(06):775-782. |
| [12] | Habelitz S;Carl G;Russel C;Thiel S;Gerth U;Schnapp JD;Jordanov A;Knake H;UNIV JENA TECH INST D-6900 JENA GERMANY. .Mechanical properties of oriented mica glass ceramic[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,1997(2/3):291-298. |
| [13] | 何峰,李钱陶,程金树,胡王凯.CaO-Al2O3-SiO2系统烧结建筑微晶玻璃颗粒高温摊平影响因素研究[J].硅酸盐通报,2004(02):93-95. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%