Residual stresses in Al2O3/Y-TZP Ceramic Laminates Fabricated by Tape and Slip Casting

Abstract:

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Residual stress profiles were measured by neutron diffraction in Al2O3/Y-TZP ceramic composites containing 5 and 40 vol.% Y-TZP fabricated by conventional slip casting and by a novel tape casting route. Residual stresses in the zirconia are tensile and increase as its volume fraction decreases. For the alumina matrix, residual stress is compressive and increases with the zirconia volume fraction. In the composite with 5 vol.% zirconia, the processing route does not have an influence on residual stresses. However, in the composite with 40 vol.% zirconia, residual stresses are different in the samples obtained by both processing routes.

Info:

Periodical:

Materials Science Forum (Volumes 571-572)

Edited by:

A. R. Pyzalla, A. Borbély and H.-P. Degischer

Pages:

327-332

DOI:

10.4028/www.scientific.net/MSF.571-572.327

Citation:

J. Ruiz-Hervias et al., "Residual stresses in Al2O3/Y-TZP Ceramic Laminates Fabricated by Tape and Slip Casting ", Materials Science Forum, Vols. 571-572, pp. 327-332, 2008

Online since:

March 2008

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$35.00

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