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Synthesis and characterization of partially and fully stabilized zirconia fibers made from an inorganic precursor

Published online by Cambridge University Press:  31 January 2011

A. Hartridge
Affiliation:
Warwick Process Technology Group, Department of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
M. D. Taylor
Affiliation:
Warwick Process Technology Group, Department of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
A. K. Bhattacharya*
Affiliation:
Warwick Process Technology Group, Department of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
*
a)Address all correspondence to this author.
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Abstract

Continuous high-quality fibers of yttria-doped zirconia with 4 and 8 mol% yttria were blow spun using an inorganic sol precursor. The fibers were heated and analyzed using scanning electron microscopy, x-ray diffraction, differential thermal/thermogravimetric analysis, and surface area/porosity by nitrogen adsorption. The fibers were of a single-phase cubic structure after crystallization at 529 °C and typically 3.3–5.5 or 7.5–11.5 μm in diameter depending on the composition. Samples of fibers were heated to various temperatures and their friability index and creep properties analyzed using the bend stress relaxation technique and compared to other fibers of similar composition prepared by different solution techniques and commercially available fibers.

Type
Articles
Copyright
Copyright © Materials Research Society 2001

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References

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