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Carbon effects in rapidly solidified Ni3Al

Published online by Cambridge University Press:  03 March 2011

S. C. Huang ,
C. L. Briant ,
K.-M. Chang ,
A. I. Taub  and
E. L. Hall
S. C. Huang
Affiliation:
General Electric Corporate Research and Development, P. O. Box 8, Schenectady, New York 12301
C. L. Briant
Affiliation:
General Electric Corporate Research and Development, P. O. Box 8, Schenectady, New York 12301
K.-M. Chang
Affiliation:
General Electric Corporate Research and Development, P. O. Box 8, Schenectady, New York 12301
A. I. Taub
Affiliation:
General Electric Corporate Research and Development, P. O. Box 8, Schenectady, New York 12301
E. L. Hall
Affiliation:
General Electric Corporate Research and Development, P. O. Box 8, Schenectady, New York 12301
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Abstract

The effect of carbon on the mechanical properties of ordered, face-center-cubic Ni3Al has been studied. It has been found that carbon provides no ductihzation to the intermetallic compound, but exerts a large solid solution strengthening effect. The strengthening rate measured is Δσy/ΔC∼0.5G per atom percent carbon, where G is the Ni3Al shear modulus. Auger analysis and lattice parameter measurements were also carried out. The results are discussed with respect to the nature of carbon in grain boundary regions and in the bulk.

Type
Articles
Information
Journal of Materials Research , Volume 1 , Issue 1 , February 1986 , pp. 60 - 67
Copyright
Copyright © Materials Research Society 1986

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References

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