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| Preparation and characterization of porous YSZ--Al{2}O{3} composite membrane |
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| 中国科学技术大学 |
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Cite this article:
;. Preparation and characterization of porous YSZ--Al{2}O{3} composite membrane. Chin J Mater Res, 2004, 18(4): 385-391.
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Abstract YSZ--Al$_{2}$O$_{3}$ composite membranes with different composition were
introduced to reduce the stress occurred during heat treatment, which could
make the membrane have defects and microcracks. The degree of components and
the thickness of the composite membrane were considered simultaneously.
The data showed that linear expansion coefficient and sintered shrinkage
increased with the increase of YSZ content. The sintered shrinkage was an
important factor to choose the composition. Two composite membranes with
20\% (volume fraction) and 80\% of YSZ content were prepared. And the pore sizes
of two composite membranes are 0.72 $\mu$m and 0.36 $\mu$m, respectively.
The composite membrane is an excellent microfiltration membrane and a support
for the preparation of YSZ ultrafiltration membrane and nanofiltration membrane.
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Received: 31 August 2004
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