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Characterization and Statistical Distribution of Grain Boundaries in Ni3Al

Published online by Cambridge University Press:  26 February 2011

Diana Farkas ,
H. Jang ,
M.O. Lewus ,
R. Versaci  and
E. J. Savino
Diana Farkas
Affiliation:
Dept. of Materials Engineering, Virginia Polytechnic Institute, Blacksburg VA 24061
H. Jang
Affiliation:
Dept. of Materials Engineering, Virginia Polytechnic Institute, Blacksburg VA 24061
M.O. Lewus
Affiliation:
Dept. of Materials Engineering, Virginia Polytechnic Institute, Blacksburg VA 24061
R. Versaci
Affiliation:
Comision Nacional de Energia Atomica, Av. Libertador 8250, 1429 Buenos Aires
E. J. Savino
Affiliation:
Comision Nacional de Energia Atomica, Av. Libertador 8250, 1429 Buenos Aires
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Abstract

Grain Boundaries in two specimens of Ni4Al of different compositions and mechanical behavior were studied by electron microscopy. SEM was used to determine the distribution of Σ values in both samples. TEM results were combined with CSL theory to completely characterize the nature of the boundaries, including Σ values and the grain boundary plane orientation. The boundaries most commonly observed in the experiments were also studied using a computer simulation technique and the results correlated with the experimental observations.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 122: Symposium I – Interfacial Structure, Properties, and Design , 1988 , 455
Copyright
Copyright © Materials Research Society 1988

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References

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