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Spherical Zirconia Particles Via Electrostatic Atomization: Fabrication and Sintering Characteristics

Published online by Cambridge University Press:  25 February 2011

E. B. Slamovich  and
F. F. Lange
E. B. Slamovich
Affiliation:
Materials Department, University of California at Santa Barbara, Santa Barbara, CA 93106
F. F. Lange
Affiliation:
Materials Department, University of California at Santa Barbara, Santa Barbara, CA 93106
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Extract

From the first recorded investigations by Bosetti in 1745 through G.I. Taylor's[2] work on the “Disintegration of Water Droplets in an Electric Field” in 1964, electrostatic atomization of liquids has been put to use in a variety of applications ranging from crop spraying to the propulsion of space vehicles. Here, we have used electrostatic atomization to form micron size droplets of zirconium acetate which pyrolyze to spherical ZrO2 particles for use in sintering studies. Two ZrO2 powders were fabricated. Both are spherical and of similar size distribution, however, in one, the particles are single crystals, while in the other, the particles are polycrystalline. This work discusses the processing of these different particles, and the relative sintering behavior of powders that are composed of either monocrystalline or polycrystalline particles.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 121: Symposium H – Better Ceramics Through Chemistry III , 1988 , 257
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

Bose, G.M., Recherches sur la cause et sur la véritable théorie de l'électricité, (Wittenberg 1745)Google Scholar
2. Taylor, G.I., Proc. Royal Soc. London 280A, 383 (1964)Google Scholar
3. Rayleigh, Lord, Proc. London Math Soc. 10, 4 (1878)Google Scholar
4. Peng, S.T.J. and Landel, R.F., J. of Appl. Phys. 47, 4255 (1976)CrossRefGoogle Scholar