Residual stress and mechanical properties of Al₂O₃/ZrO₂ functionally graded material prepared by EPD from 2‐butanone based suspension

Authors: Mehrali, M; Wakily, H; Metselaar, I H S C

Source: Advances in Applied Ceramics, Volume 110, Number 1, January 2011 , pp. 35-40(6)

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Abstract:

Abstract

Electrophoretic deposition (EPD) is an attractive forming process to fabricate plate shaped binary functionally graded materials (FGMs) from suitable stable suspensions. In the present work, the capability to produce Al₂O₃ and ZrO₂ functionally graded bulk material by means of EPD from a non?aqueous stable suspension based on 2?butanone, n?butylamine and cellulose nitrate solution is presented. The EPD processing parameters and sintering are described, and the density of the FGM composite, hardness, toughness and residual stresses are measured using indentation methods on cross?sections of the sample. Scanning electron microscopy confirmed that the sintered body is an FGM.

Keywords: Functionally graded materials; Residual stress; Mechanical properties; ZTA

Document Type: Original Article

DOI: http://dx.doi.org/10.1179/174367610X12804792635143

Affiliations: Department of Mechanical Engineering, University of Malaya, Kuala Lumpur, Malaysia

Publication date: 2011-01-01

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