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The synthesis of alumina membrane with interconnected uniform pores from inactive spheres
Sun, Zhiqiang1,2; Ding, Fei1; Fan, Junmei1; Hu, Peng1; Yuan, Fangli1
2017-07-01
发表期刊INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
ISSN1546-542X
卷号14期号:4页码:825-832
摘要In this work, the interlayer and top-layer of alumina membrane are synthesized on substrate by one-step sintering process, and the microstructure evolution and mass transfer characterization of top-layer synthesized from sub-micrometer spheres is fully investigated. It shows that the pores in top-layer of membrane are interconnected and uniform and their microstructure evolution can be controlled by adjusting the sintering temperature in a wide range. Kinetics analysis of the sintering behavior shows that the superior thermostability of spheres can eliminate the rapid uneven shrinkage of membrane and result in the uniform microstructures. In addition, it is found that the mass transfer among spheres with polycrystalline phases of and cannot occur unless these metastable phases transform to stable -Al2O3, which is favorable to sinter at the same temperature range with the interlayer. Moreover, the effect of phase composition on mass transfer is further put forward. Finally, solid/water mixture has been processed by the synthesized membrane and the excellent filter performance confirms the uniform pores.
关键词Al2o3 Nanospheres Ceramic Membrane One-step Sintering Uniform Pore
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1111/ijac.12699
收录类别SCI
语种英语
关键词[WOS]POROUS SILICA CERAMICS ; FILTRATION APPLICATIONS ; SINTERING BEHAVIOR ; POWDER COMPACTS
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
项目资助者National Natural Science Foundation of China(11535003 ; 51574211)
WOS记录号WOS:000404887200035
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22796
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
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Sun, Zhiqiang,Ding, Fei,Fan, Junmei,et al. The synthesis of alumina membrane with interconnected uniform pores from inactive spheres[J]. INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY,2017,14(4):825-832.
APA Sun, Zhiqiang,Ding, Fei,Fan, Junmei,Hu, Peng,&Yuan, Fangli.(2017).The synthesis of alumina membrane with interconnected uniform pores from inactive spheres.INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY,14(4),825-832.
MLA Sun, Zhiqiang,et al."The synthesis of alumina membrane with interconnected uniform pores from inactive spheres".INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY 14.4(2017):825-832.
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