Influence of Heat-treatment on Characteristics of Fine Glass Powder for Al_2O_3-SiO_2-P_2O_5-CaF_2 System by Liquid Precipitation

Ni Xue-ming; Yuan Ge-cheng; Zheng Yong; Xie Yi

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Influence of Heat-treatment on Characteristics of Fine Glass Powder for Al_2O_3-SiO_2-P_2O_5-CaF_2 System by Liquid Precipitation

更新时间：2026-05-27

- Influence of Heat-treatment on Characteristics of Fine Glass Powder for Al_2O_3-SiO_2-P_2O_5-CaF_2 System by Liquid Precipitation
- Vol. 26, Issue 2, Pages: 10(2009)
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- Online First：03 February 2009，
  
  Published：2009
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倪学明, 袁鸽成, 郑勇, 谢毅. 热处理对液相沉淀Si-Al-Ca-P-F~-系超细玻璃粉体特征的影响[J]. 广东工业大学学报, 2009, 26(2): 10.

Ni Xue-ming, Yuan Ge-cheng, Zheng Yong, et al. Influence of Heat-treatment on Characteristics of Fine Glass Powder for Al_2O_3-SiO_2-P_2O_5-CaF_2 System by Liquid Precipitation[J]. 2009, 26(2): 10.
倪学明, 袁鸽成, 郑勇, 谢毅. 热处理对液相沉淀Si-Al-Ca-P-F~-系超细玻璃粉体特征的影响[J]. 广东工业大学学报, 2009, 26(2): 10. DOI：

Ni Xue-ming, Yuan Ge-cheng, Zheng Yong, et al. Influence of Heat-treatment on Characteristics of Fine Glass Powder for Al_2O_3-SiO_2-P_2O_5-CaF_2 System by Liquid Precipitation[J]. 2009, 26(2): 10. DOI：

摘要

采用液相沉淀法合成了Si-Al-Ca-P-F-系超细玻璃粉体;分别在673、773、873、973、1 073和1 173 K温度下对粉体进行热处理

借助XRD、DSC、TEM、FT-IR等检测手段

研究了热处理温度对粉体的结晶状态、玻璃转变、析晶过程、微观形貌及结构的影响规律.结果表明

673 K时

中空近球状纳米粒子明显团聚并坍塌

温度低于773 K时

粉体仍保持原始的非晶态特征;873 K时

粒子粘连长大至亚微米级尺寸并出现明显的分相特征

玻璃态粉体析出CaF2晶相

随着温度的升高

Al2SiO5、Ca2SiO4及Ca3(PO4)2等晶相相继析出;热处理温度对粉体主要键连方式无明显影响

主体结构仍为[SiO4]、[AlO4]与[PO4]四面体以角顶相连的方式构成网络结构.

Abstract

Glass powder of Si-Al-Ca-P-F-system

which was heat-treated under 673

773

873

973

1 073 and 1 173 K respectively

was prepared by liquid precipitation method

Influence rules of heat-treatment on crystallized state

glass change and precipitation behavior

micromorphology

microstructure of the powder were researched by XRD

DSC

TEM

FT-IR and other test methods.The results show that the hollow nano powder reunites and collapses obviously at 673K

and it appeares the same amorphous as the raw powder at 773 K.The par...

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references

俞冰,梁开明,顾守仁. Ca-P-Si系生物微晶玻璃的析晶动力学研究[J]. 玻璃与搪瓷, 2002,(01) .

谢毅,袁鸽成,郑勇,倪学明,冷文兵. 反应物浓度对液相合成Al_2O_3-SiO_2-CaF_2-P_2O_5系粉体特性的影响[J]. 广东工业大学学报, 2008,(02) .

俞冰,梁开明,顾守仁. Ca-P-Si-F生物活性微晶玻璃的显微组织及性能分析[J]. 硅酸盐通报, 2002,(06) .

吴忠荣,程汉亭. SiO_2·Al_2O_3·CaO·CaF_2·P玻璃的红外光谱研究[J]. 生物医学工程研究, 2006,(03) .

何峰,程金树,谢峻林,许超. CaO-Al_2O_3-SiO_2系统微晶玻璃的振动光谱研究[J]. 武汉工业大学学报, 1998,(03) .

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