Internal nano voids in Yttria-Stabilised Zirconia (YSZ) powde

Chen Barad, Gal Shekel, Michael Shandalov, Hagay Hayun, Giora Kimmel, Dror Shamir, Yaniv Gelbstein

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Porous yttria-stabilised zirconia ceramics have been gaining popularity throughout the years in various fields, such as energy, environment, medicine, etc. Although yttria-stabilised zirconia is a well-studied material, voided yttria-stabilised zirconia powder particles have not been demonstrated yet, and might play an important role in future technology developments. A sol-gel synthesis accompanied by a freeze-drying process is currently being proposed as a method of obtaining sponge-like nano morphology of embedded faceted voids inside yttria-stabilised zirconia particles. The results rely on a freeze-drying stage as an effective and simple method for generating nano-voided yttria-stabilised zirconia particles without the use of template-assisted additives.

Original languageEnglish
Article number1440
JournalMaterials
Volume10
Issue number12
DOIs
StatePublished - 18 Dec 2017

Keywords

  • 7-8 mol % YSZ
  • Freeze-dry
  • Internal nano-voids
  • Sol-gel
  • XRD Rietveld refinement

ASJC Scopus subject areas

  • Materials Science (all)

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