On the atomic structure of the Nb/Al2O3 interface and the growth of Al2O3 particles-Reference-Cited by-同舟云学术

On the atomic structure of the Nb/Al2O3 interface and the growth of Al2O3 particles

Published:1989-08 Issue:4 Volume:4 Page:972-977
ISSN:0884-2914
Container-title:Journal of Materials Research
language:en
Short-container-title:J. Mater. Res.

Author:

Kuwabara M.,Spence J. C. H.,Ruhle M.

Abstract

The growth mechanism for small precipitates of Al2O3 formed by internal oxidation in the Nb–Al2O3 interface is studied in detail. The observations show that the Nb (001)/Al2O3 (00.1) interface is almost atomically flat and that there are no interface compounds. We suggest that the final layer on the Al2O3 side of this interface consists of oxygen atoms. The effects of image forces on misfit dislocations are found to result in a standoff distance between dislocation cores and the interface, in good agreement with the recent theory. The implications of this for the strength of metal-ceramic bonding are discussed.

Publisher

Springer Science and Business Media LLC

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference10 articles.

1. 8 Suo Z. , Int. J. of Solids and Structures (1989) (in press). See also Z. Suo, Proc. Roy. Soc. (1989) (submitted).

2. 6 Kamat S. V. , Hirth J. P. , and Carnahan B. , Mat. Res. Soc. Symp. Proc. (Boston, MA, 1988), p. 55 (The Materials Research Society, New York).

3. The growth of precipitates

4. 1 Florjancis M. , Mader W. , Ruhle M. , and Turwitt M. , J. de Phys. (1986).

5. 3 Mader W. , in Mat. Res. Soc. Symp. Proc. (1986) (in press).

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