Mechanical Properties of Alumina/Zirconia Functionally Graded Material Prepared by Electrophoretic Deposition

Abstract:

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The mechanical properties of a quasi-symmetrical planar functionally graded material (FGM) of Al2O3 / Al2O3+20%ZrO2 / Al2O3+5%ZrO2 prepared by electrophoretic deposition and pressureless sintering has been studied. Hardness and fracture toughness were measured using indentation methods on cross sections of samples. From the difference between lengths of cracks parallel and perpendicular to layers the residual stresses (arisen due to the thermal expansion coefficient mismatch) were calculated, their profile along the cross section has been estimated and compared with values obtained using a finite element model.

Info:

Periodical:

Edited by:

J. Dusza, R. Danzer and R. Morrell

Pages:

332-335

DOI:

10.4028/www.scientific.net/KEM.290.332

Citation:

P. Hvizdoš et al., "Mechanical Properties of Alumina/Zirconia Functionally Graded Material Prepared by Electrophoretic Deposition", Key Engineering Materials, Vol. 290, pp. 332-335, 2005

Online since:

July 2005

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$35.00

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