| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1475287 | Journal of the European Ceramic Society | 2012 | 7 Pages |
Abstract
The fluorescence from (naturally present) Cr3+ impurities was used to measure the residual stress in the alumina phase of six melt-grown ceramic eutectic composites associating gadolinum aluminum perovskite (GAP), erbium aluminum garnet (EAG) or yttrium aluminum garnet (YAG) with α-alumina and cubic zirconia. Such measurements are reported for the first time in the GAP containing eutectics.In the usual hydrostatic assumption, we conclude to a residual compression in the range of ∼70–400 MPa depending on the sample composition. The validity of the hydrostatic assumption is questioned when a microscope is used for the measurements.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Gwénaël Gouadec, Karim Makaoui, Loïc Perrière, Philippe Colomban, Léo Mazerolles,