氧化铋对低温燃烧合成堇青石粉相变和烧结性能的影响

何英 1; 郭俊明 2; 刘贵阳 1; 黄兆龙 1; 翟凤瑞 1; 周和平 3

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氧化铋对低温燃烧合成堇青石粉相变和烧结性能的影响

更新时间：2025-07-09

- 氧化铋对低温燃烧合成堇青石粉相变和烧结性能的影响
- Effect of Bismuth Oxide on Phase Transformation and Sintering Characteristics of Cordierite Powder by Low-Temperature Combustion
- 西安交通大学学报 2011年45卷第1期页码：132-136
- 作者机构：
  
  红河学院化学系, 661100, 云南蒙自
- 作者简介：
- 基金信息：
  
  : 2010-05-21. 作者简介: 何英(1962-), 女,教授;郭俊明(联系人),男,教授. 基金项目: 国家自然科学基金资助项目(51062018);云南省教育厅科学研究基金资助项目(08Y0340)
- DOI：
  中图分类号： TQ174
- 网络首发：2011-01-10，
  
  纸质出版：2011
- 稿件说明：
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何英 1, 郭俊明 2, 刘贵阳 1, 等. 氧化铋对低温燃烧合成堇青石粉相变和烧结性能的影响[J]. 西安交通大学学报, 2011,45(1):132-136.

Effect of Bismuth Oxide on Phase Transformation and Sintering Characteristics of Cordierite Powder by Low-Temperature Combustion[J]. 2011, 45(1): 132-136.
何英 1, 郭俊明 2, 刘贵阳 1, 等. 氧化铋对低温燃烧合成堇青石粉相变和烧结性能的影响[J]. 西安交通大学学报, 2011,45(1):132-136. DOI：

Effect of Bismuth Oxide on Phase Transformation and Sintering Characteristics of Cordierite Powder by Low-Temperature Combustion[J]. 2011, 45(1): 132-136. DOI：

摘要

为研究Bi

在堇青石基微晶玻璃烧结过程中的作用及其添加量对微晶玻璃相转变和烧结性能的影响

以硅酸、硝酸铝、硝酸镁为原料

尿素为燃料

用低温燃烧法制备了具有不同Bi

含量的堇青石基微晶玻璃

并对其进行了X射线衍射分析、显微分析和能谱分析.结果表明:添加Bi

能明显促进μ-堇青石向α-堇青石的相转变或促进α-堇青石相直接析晶

降低α-堇青石相的析出温度(由1 050 ℃降至900 ℃)

有效促进微晶玻璃的烧结致密化; Bi

的添加量以质量分数5%左右为宜.此外

介绍了一种简便快捷地制备堇青石基微晶玻璃的新方法.

Abstract

Cordierite-based glass ceramics containing different amounts of Bi

were prepared by low-temperature combustion technique

where silicic acid

magnesium nitrate and aluminium nitrate served as materials

and urea as fuel. The effect of Bi

on the phase transformation and sintering characteristics of the cordierite-based glass ceramics was analyzed with XRD

SEM and EDS. The results show that Bi

obviously improves the formation of α-cordierite phase from μ-cordierite or glass. Bi

lowers the crystallization temperature of α-cordierite phase from about 1 050 ℃ to 900 ℃

and enhances the densification of cordierite-based glass ceramics. The optimum amount of Bi

gets

about mass fraction of 5%. This study also provides a simple and rapid method for preparing cordierite-based glass ceramics.

关键词

Keywords

references

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