| 冷冻浇注制备多孔陶瓷的研究进展 |
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| 引用本文： | 张颖,王宁,杜艺,石鑫,王伟超,张军战. 冷冻浇注制备多孔陶瓷的研究进展[J]. 材料工程, 2019, 47(7): 26-34 |
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| 作者姓名： | 张颖 王宁 杜艺 石鑫 王伟超 张军战 |
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| 作者单位： | 西安建筑科技大学材料科学与工程学院,西安,710055;西安建筑科技大学材料科学与工程学院,西安,710055;西安建筑科技大学材料科学与工程学院,西安,710055;西安建筑科技大学材料科学与工程学院,西安,710055;西安建筑科技大学材料科学与工程学院,西安,710055;西安建筑科技大学材料科学与工程学院,西安,710055 |
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| 基金项目： | 国家重点实验室开放基金;西安建筑科技大学人才科技项目 |
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| 摘 要： | 冷冻浇注制备多孔陶瓷具有绿色经济、孔结构可控以及材料性能优良等优点,近年来受到国内外学者的广泛关注。本文在简单介绍冷冻浇注工艺原理的基础上,阐述了冷冻浇注工艺过程中孔结构的形成机理与条件,详细讨论了液相介质与冷冻条件对孔结构的影响,总结了冷冻浇注制备多孔陶瓷的材料体系以及典型工艺条件,最后指出冷冻浇注未来的研究方向是孔结构的有效控制及新型功能化多孔陶瓷的制备。
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| 关 键 词： | 冷冻浇注 多孔陶瓷 成孔机理 液相介质 |
Research progress in porous ceramics prepared by freeze casting |
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| ZHANG Ying,WANG Ning,DU Yi,SHI Xin,WANG Wei-chao,ZHANG Jun-zhan. Research progress in porous ceramics prepared by freeze casting[J]. Journal of Materials Engineering, 2019, 47(7): 26-34 |
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| Authors: | ZHANG Ying WANG Ning DU Yi SHI Xin WANG Wei-chao ZHANG Jun-zhan |
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| Affiliation: | (College of Materials Science and Engineering,Xi'an University of Architecture and Technology,Xi'an 710055,China) |
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| Abstract: | The preparation of porous ceramics by freezing casting has received increasing attention in recent years because of the advantages of green economy,controllable pore structure and excellent material properties.Based on the brief introduction to the principle of freezing casting process,the pore forming mechanism and conditions of freezing casting process were elaborated.The effect of liquid medium and freezing conditions on pore structure of porous ceramics was discussed in details.The material system of porous ceramics prepared by freezing casting and the typical technological conditions were summarized.Finally,it was pointed out that the research directions of freeze casting in the future are the effective control of pore structure and the preparation of new functionalized porous ceramics. |
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| Keywords: | freeze casting porous ceramic pore forming mechanism liquid medium |
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