| 利用硅灰粉尘研制多孔陶瓷 |
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| 引用本文： | 朱立钦,吴任平,于岩. 利用硅灰粉尘研制多孔陶瓷[J]. 福州大学学报(自然科学版), 2009, 37(3) |
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| 作者姓名： | 朱立钦 吴任平 于岩 |
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| 作者单位： | 福州大学材料科学与工程学院,福建,福州,350108 |
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| 基金项目： | 福建省自然科学基金，福建省高校新世纪优秀人才支持计划，福建省环保局科技资助项目，福州大学发展基金 |
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| 摘 要： | 以硅灰粉尘为主要原料制备高比表面多孔陶瓷.主要探讨粘土结合剂及不同烧结温度对该多孔陶瓷的孔结构及气孔率、体积密度等性能指标的影响,采用SEM、BET等分析测试手段表征各试样的微观结构.结果表明,硅灰粉粒子超细、比表面积大、成本低廉,是制造大比表面多孔陶瓷的理想原料.粘结剂的加入会降低样品的气孔率,确定5%(质量分数)的粘土为最佳,烧结温度选择为750℃,此时多孔陶瓷的气孔率为41.91%,强度为23.61 MPa,比表面积达到24.22m2·g-1.
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| 关 键 词： | 硅灰粉 多孔陶瓷 比表面积 |
Preparation of porous ceramics by using silica fume |
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| ZHU Li-qin,WU Ren-ping,YU Yan. Preparation of porous ceramics by using silica fume[J]. Journal of Fuzhou University(Natural Science Edition), 2009, 37(3) |
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| Authors: | ZHU Li-qin WU Ren-ping YU Yan |
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| Affiliation: | College of Materials Science and Engineering;Fuzhou University;Fuzhou;Fujian 350108;China |
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| Abstract: | Silica fume was used as the main raw material to prepare porous ceramics with large specific surface area.In the experiment,the effects of binder contents and firing temperatures on the properties(including porosity,bulk density and flexural strength) of porous ceramics were discussed.The influence factors on the microstructure,crystal structure and properties of porous ceramics were analyzed by means of SEM,BET and so on.The results show that silica fume is an ideal material for preparing porous ceramics w... |
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| Keywords: | silica fume porous ceramics specific surface area |
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