| 硼铝硅系透明玻璃陶瓷晶相生长的分形动力学 |
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| 引用本文： | 侯朝霞.硼铝硅系透明玻璃陶瓷晶相生长的分形动力学[J].沈阳大学学报,2012,24(2):45-48. |
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| 作者姓名： | 侯朝霞 |
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| 作者单位： | 沈阳大学辽宁省先进材料制备技术重点实验室,辽宁沈阳,110044 |
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| 摘 要： | 通过熔融法结合两步热处理制度制备了硼铝硅系透明玻璃陶瓷.基于R.Kopelman等人对分形结构中扩散控制反应速率的研究结果,探讨了硼铝硅系透明玻璃陶瓷中晶相生长的分形动力学.结果表明,用分形结构扩散控制反应动力学理论来分析硼铝硅系透明玻璃陶瓷的晶化过程是行之有效的,通过实验数据拟合得出分形子谱维数dS=1.269.
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| 关 键 词： | 玻璃陶瓷 晶相生长 动力学 分形 |
On Fractal Kinetics of Crystal Growth in Transparent Boron Aluminosilicate Glass-Ceramics |
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| HOU Zhaoxia.On Fractal Kinetics of Crystal Growth in Transparent Boron Aluminosilicate Glass-Ceramics[J].Journal of Shenyang University,2012,24(2):45-48. |
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| Authors: | HOU Zhaoxia |
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| Institution: | HOU Zhaoxia (Liaoning Provincial Key Laboratory of Advanced Materials, Shenyang University, Shenyang 110044, China) |
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| Abstract: | Boron aluminosilicate transparent glass-ceramics were prepared by melting method and twostep heat-treatment, process. Fractal kinetics of crystal growth in transparent boron aluminosilicate glass-ceramics was analyzed based on the research results of Kopelman R et al. concerning the diffusion control reaction velocity in fractal structure. It turned out that it is feasible to analyze the crystallization process of boron aluminosilicate transparent glass-ceramics by diffusion control reaction kinetics theory in fractal structure. The fractal dimension ds= 1. 269 is fitted by experimental data. |
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| Keywords: | glass-ceramics crystal growth kinetics fractal |
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