Developing porous ceramics on the base of zirconia oxide with thin and permeable pores by crystallization of organic additive method

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Abstract

In this paper porous ceramics on the base of ZrO2 nanopowders and micropowders has been developed by freeze-casting method. A zirconia/carbamide slurry was frozen in mold and dehydrated in CaCl2 at room temperature. This simple process enabled the formation of porous ceramics with highly aligned pores as a replica of the carbamide crystals. The samples showed higher porosity of 47.9%. In addition, these materials could be used as membrane for air cleaning.

Original languageEnglish
Article number012039
JournalIOP Conference Series: Materials Science and Engineering
Volume156
Issue number1
DOIs
Publication statusPublished - 8 Nov 2016

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Crystallization
Urea
Zirconia
Cleaning
Casting
Porosity
Membranes
Crystals
Air
Temperature
zirconium oxide

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

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AB - In this paper porous ceramics on the base of ZrO2 nanopowders and micropowders has been developed by freeze-casting method. A zirconia/carbamide slurry was frozen in mold and dehydrated in CaCl2 at room temperature. This simple process enabled the formation of porous ceramics with highly aligned pores as a replica of the carbamide crystals. The samples showed higher porosity of 47.9%. In addition, these materials could be used as membrane for air cleaning.

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