Detail publikace

Sintering of alumina and zirconia nanoceramics

DOBŠÁK, P., MACA, K., TRUNEC, M.

Originální název

Sintering of alumina and zirconia nanoceramics

Anglický název

Sintering of alumina and zirconia nanoceramics

Jazyk

en

Originální abstrakt

The sintering and the microstructure of alumina and zirconia ceramics prepared by cold isostatic pressing of nanoceramic powders were studied. Ceramic powders contained 0, 1.5 and 3 mol.% of yttria. It was found that higher compacting pressures (700 MPa) yielded green bodies with smaller pores, which showed in their better sinterability. After sintering at 1100C, the bodies had a density exceeding 90% t.d. and grains below 80 nm. A critical ratio of the pore size in green bodies to the particle size was established, which enables sintering zirconia nanopowders of some 10 nm in size at a temperature of 1100C.

Anglický abstrakt

The sintering and the microstructure of alumina and zirconia ceramics prepared by cold isostatic pressing of nanoceramic powders were studied. Ceramic powders contained 0, 1.5 and 3 mol.% of yttria. It was found that higher compacting pressures (700 MPa) yielded green bodies with smaller pores, which showed in their better sinterability. After sintering at 1100C, the bodies had a density exceeding 90% t.d. and grains below 80 nm. A critical ratio of the pore size in green bodies to the particle size was established, which enables sintering zirconia nanopowders of some 10 nm in size at a temperature of 1100C.

Dokumenty

BibTex


@inproceedings{BUT11052,
  author="Petr {Dobšák} and Karel {Maca} and Martin {Trunec}",
  title="Sintering of alumina and zirconia nanoceramics",
  annote="The sintering and the microstructure of alumina and zirconia ceramics prepared by cold isostatic pressing of nanoceramic powders were studied. Ceramic powders contained 0, 1.5 and 3 mol.% of yttria. It was found that higher compacting pressures (700 MPa) yielded green bodies with smaller pores, which showed in their better sinterability. After sintering at 1100C, the bodies had a density exceeding 90% t.d. and grains below 80 nm. A critical ratio of the pore size in green bodies to the particle size was established, which enables sintering zirconia nanopowders of some 10 nm in size at a temperature of 1100C.",
  address="Faculty of Technology, University of Novi Sad",
  booktitle="School of Ceramics, V Students' meeting",
  chapter="11052",
  institution="Faculty of Technology, University of Novi Sad",
  year="2003",
  month="january",
  pages="38",
  publisher="Faculty of Technology, University of Novi Sad",
  type="conference paper"
}