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Solute-Vacancy Interactions in Nickel

Published online by Cambridge University Press:  09 January 2014

Julie D. Tucker
Julie D. Tucker*
Affiliation:
Oregon State University, 204 Rogers Hall, Corvallis, OR 97330
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Abstract

Solute trapping of vacancies in a Ni host lattice is a first step to understanding how solute additions may effect ordering phase transformation in Ni-based alloys. Minor additions of solutes (<3 wt.%) may not have an appreciable effect on the thermodynamics of phase stability but strong binding between the vacancy and solute may significantly alter the kinetics of phase transformations. In this work vacancy-solute binding energies are calculated for multiple elements (Cr, Fe, Mn, Si, Ti, Nb, Ta, Cu, Al, Mo) in a pure Ni face-centered cubic lattice. These elements are common in corrosion-resistant Ni-based alloys. Binding enthalpies for the first four nearest-neighbor vacancy-solute pairs are reported for all elements. The results of this study show that Si, Ti, Nb and Ta bind to vacancies in the first nearest-neighbor position. Alloys containing these solute additions may experience delayed phase transformation due to vacancy trapping that slows diffusion.

Keywords

defectsNiphase transformation
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1645: Symposium EE/ZZ – Advanced Materials in Extreme Environments , 2014 , mrsf13-1645-ee08-08
Copyright
Copyright © Materials Research Society 2014 

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References

REFERENCES

Frely, E., Beuneu, B., Barbu, A. and Jaskierowicz, G., Mat. Res. Soc. Symp. Proc. 439, 373 (1997).CrossRefGoogle Scholar
ASME SB-163, “Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes,” ASME Boiler and Pressure Vessel Code, Section II Part B, Nonferrous Material Specifications, (2001).Google Scholar
ASME SB-166, “Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N00690, N06025, and N06045) and Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS NO661 7) Rod, Bar, and Wire,” ASME Boiler & Pressure Vessel Code, Section II Part B, Nonferrous Material Specifications, (2001).Google Scholar
ASME SB-167, “Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N00690, N06025, and N06045) Seamless Pipe and Tube,” ASME Boiler & Pressure Vessel Code, Section II Material Specifications, Part B, (2001).Google Scholar
ASME SB-168, “Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N00690, N06025, and N06045) and Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617) Plate, Sheet, and Strip,” ASME Boiler & Pressure Vessel Code, Section II Material Specifications, Part B, (2001).Google Scholar
Kresse, G. and Furthmuller, J., Physical Review B (Condensed Matter) 54, 11169 (1996).CrossRefGoogle Scholar
Kresse, G. and Hafner, J., Physical Review B (Condensed Matter) 47, 558 (1993).CrossRefGoogle Scholar
Blochl, P. E., Physical Review B (Condensed Matter) 50, 17953 (1994).CrossRefGoogle Scholar
Kresse, G. and Joubert, D., Physical Review B (Condensed Matter) 59, 1758 (1999).CrossRefGoogle Scholar
Perdew, J. P., Burke, K., and Ernzerhof, M., Phys. Rev. Lett. 77, 3865 (1996).CrossRefGoogle Scholar
Domain, C. and Becquart, C. S., Physical Review B (Condensed Matter) 65, 024103 (2002).CrossRefGoogle Scholar
Tucker, J. D., Ab Initio-Based Modeling of Radiation Effects in the Ni-Fe-Cr system, Ph.D. Dissertation, University of Wisconsin-Madison, (2008).Google Scholar