Strength Analysis of Self-Supported Films Produced by Aqueous Electrophoretic Deposition

Sergio Gonzalez Sanchez, Begoña Ferrari, Rodrigo Moreno, Carmen Baudín

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The goal of this work is to study the feasibility of the characterization of the fracture strength of porous alumina/zirconia thin layers by three-point bending and Weibull analysis. Films have been obtained by electrophoretic deposition on graphite and thermo-gelation of the deposit with carrageenan. On sintering, graphite is burned out and self-supported films are obtained. Strength values are well fitted to a simple two-parameter Weibull distribution. The fracture origins are subcritical growth cracks that originated at the surface irregularities associated with the processing method. A Weibull modulus around 3 is obtained.
Original languageEnglish
Pages (from-to)2645-2648
JournalJournal of the American Ceramic Society
Volume88
Issue number9
DOIs
Publication statusPublished - Sep 2005

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