Microstructure Characteristics of the Reaction Product Region Formed due to the High Temperature Contact of Molten Aluminium and ZnO Single Crystal

Author:

Wojewoda-Budka Joanna1,Sobczak Natalia2,Morgiel Jerzy1,Nowak Rafal2

Affiliation:

1. Polish Academy of Sciences

2. Foundry Research Institute

Abstract

Interface reactions between liquid aluminium and ZnO single crystal substrates of <1-100> orientation (at 1273 K under vacuum) were examined using scanning and transmission electron microscopy techniques. The substrates were subjected to the “pushing drop” tests when liquid is deposited from the capillary on the substrate surface and then, after appropriate contact time, it is pushed away. After short time of interaction with <1-100>ZnO substrate, three phases were detected: α-Al2O3, the alumina of unknown type and ZnAl2O4 spinel formed due to the solid state reaction between Al2O3 and ZnO.

Publisher

Trans Tech Publications, Ltd.

Subject

Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics

Reference17 articles.

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2. T.W. Clyne and P.J. Withers: An Introduction to Metal Matrix Composites (Cambridge, UK 1995).

3. M. C. Breslin, J. Ringnalda, L. Xu, M. Fuler, J. Seeger, G. S. Daehn, T. Otani and H.L. Fraser: Mat Sci Eng A Vol. 195 (1995), p.113.

4. W. Liu and U. Koster: Script. Mater. Vol. 35 (1996), p.35.

5. American Society for Metals Handbook, 1973, p.265, Metals Park, OH.

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