| SiO_2对磷酸盐玻璃晶化性能的影响 |
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| 引用本文： | 李立华,陈跃进.SiO_2对磷酸盐玻璃晶化性能的影响[J].武汉理工大学学报,1994(3). |
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| 作者姓名： | 李立华 陈跃进 |
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| 作者单位： | 武汉工业大学材料工程系 |
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| 摘 要： | 磷酸盐系统是生物活性微晶玻璃常用系统之一。本文研究了Ｎａ２Ｏ－ＣａＯ－ＡＩ２Ｏ３－Ｐ２Ｏ５系统玻璃引入ＳｉＯ２。前后的晶化性能，以讨论ＳｉＯ２对系统玻璃晶化行为的影响。本文利用ＤＴＡ，ＳＥＭ，ＸＲＤ，ＥＰ－ＭＡ，ＦＴ－ＩＲ等手段进行了研究。研究发现：ＳｉＯ２能促进ＡｌＰＯ４晶体的析出，并且使系统产生分相进而改善了该系统玻璃的晶化特性。
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| 关 键 词： | 磷酸盐玻璃，晶化行为，分相 |
Effect of SiO_2 on the Crystallization of Phosphate Glass |
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| Li Lihua,Chen Yuejin.Effect of SiO_2 on the Crystallization of Phosphate Glass[J].Journal of Wuhan University of Technology,1994(3). |
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| Authors: | Li Lihua Chen Yuejin |
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| Abstract: | In order to investigate the crystallization behavior of Na2O-CaO-Al2O3-P2O5 glass with different amount of SiO2,glass phase-separation is studied with differetial thermal analysis and scanning electron microscopy. The crystallization behavior is analysed with XRD, AEM and EPMA. FT-IR is performed for the sspecimens before and aftercrystallization to study their microstructure. The results have shown that SiO2 plays important role in its crystallization. |
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| Keywords: | crystallization phase-separation phosphate glass |
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