Texture, Stress, and Microstructure

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Texture, Stress, and Microstructure / 1991 / Article

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Special Issue

Ninth International Conference on Textures of Materials

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Volume 14 |Article ID 963190 | 6 pages | https://doi.org/10.1155/TSM.14-18.383

Texture Analysis in Alumina Plasma Sprayed Coatings

H. Carrerot,1 J. Rieu,1 G. Thollet,2 and C. Esnouf2

1Ecole Nationale Supérieure des Mines de Saint-Etienne, Saint-Etienne Cédex 2 F 42023, France

2Institut National des Sciences Appliquées de Lyon, Villeurbanne Cédex F 69621, France

Abstract

An original investigation of the crystallographic texture in alumina plasma sprayed coatings has been made by X-ray diffraction and transmission electron microscopy. A fibre texture has been revealed in these alumina coatings. The (100) base plane of γ Al2O3 is predominently parallel to the. coating surface. The texture intensity increases from the surface in contact with the metal to the top surface of the coatings. After annealing the textured γ Al2O3 coatings at 1200℃, we have studied the relationships between γ and α Al2O3 phases.

Copyright © 1991 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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