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Effect of Fe Alloying on the Vacancy Formation in Ni3Al

Published online by Cambridge University Press:  26 February 2011

E. Partyka
Affiliation:
Jagiellonian University, M. Smoluchowski Institute of Physics, 30–059 Kraków, Poland. Stuttgart University, Institute of Theoretical and Applied Physics, D-70550 Stuttgart, Germany.
R. Kozubski
Affiliation:
Jagiellonian University, M. Smoluchowski Institute of Physics, 30–059 Kraków, Poland.
W. Sprengel
Affiliation:
Stuttgart University, Institute of Theoretical and Applied Physics, D-70550 Stuttgart, Germany.
H.-E. Schaefer
Affiliation:
Stuttgart University, Institute of Theoretical and Applied Physics, D-70550 Stuttgart, Germany.
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Abstract

The influence of Fe alloying on the formation of thermal vacancies in Ni75Al25-xFe x has been specifically studied by high-temperature, positron lifetime spectroscopy (PLS). The results are consistent with a previously reported decrease of the activation energy for the vacancy formation upon alloying of Ni75Al25 with Fe derived from residual isochronal resistometry (REST): an indirect method for vacancy studies.

Type
Research Article
Copyright
Copyright © Materials Research Society 2005

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References

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Effect of Fe Alloying on the Vacancy Formation in Ni3Al
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