Development of optical techniques for noncontact inspection of Y-TZP parts

Mateusz Matysiak, Jonathan P. Parry, J. Graham Crowder, Duncan P. Hand, Jonathan D. Shephard, Nick Jones, Kevyn Jonas, Nick Weston

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A novel mid-infrared transmission imaging (MIR-TI) technique for the nondestructive, optical inspection of yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) components is described. This technique was designed specifically for the detection of flaws and cracks within the bulk of the ceramic component. The MIR-TI technique exploits a transparency window in Y-TZP from 3 to 7 µm; at shorter wavelengths the material is highly scattering, while at longer wavelengths it is absorbing. We demonstrate that using this technique it is possible to detect micrometer-scale flaws at depths of up to 6 mm. © 2009 The American Ceramic Society.

Original languageEnglish
Pages (from-to)140-151
Number of pages12
JournalInternational Journal of Applied Ceramic Technology
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 2011

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