Solute partitioning in multi-component γ/γ' Co–Ni-base superalloys with near-zero lattice misfit
Abstract
The addition of nickel to cobalt-base alloys enables alloys with a near zero γ – γ' lattice misfit. The solute partitioning between ordered γ' precipitates and the disordered γ matrix have been investigated using atom probe tomography. Lastly, the unique shift in solute partitioning in these alloys, as compared to that in simpler Co-base alloys, derives from changes in site substitution of solutes as the relative amounts of Co and Ni change, highlighting new opportunities for the development of advanced tailored alloys.
- Authors:
-
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Univ. of California, Santa Barbara, CA (United States)
- Publication Date:
- Research Org.:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1294335
- Alternate Identifier(s):
- OSTI ID: 1397997
- Report Number(s):
- INL/JOU-14-33973
Journal ID: ISSN 1359-6462; PII: S1359646215300373
- Grant/Contract Number:
- AC07-05ID14517; 1233704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scripta Materialia
- Additional Journal Information:
- Journal Volume: 113; Journal Issue: C; Journal ID: ISSN 1359-6462
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Co-base superalloys; APT; TEM; partitioning; lattice misfit
Citation Formats
Meher, S., Carroll, L. J., Pollock, T. M., and Carroll, M. C. Solute partitioning in multi-component γ/γ' Co–Ni-base superalloys with near-zero lattice misfit. United States: N. p., 2015.
Web. doi:10.1016/j.scriptamat.2015.10.039.
Meher, S., Carroll, L. J., Pollock, T. M., & Carroll, M. C. Solute partitioning in multi-component γ/γ' Co–Ni-base superalloys with near-zero lattice misfit. United States. https://doi.org/10.1016/j.scriptamat.2015.10.039
Meher, S., Carroll, L. J., Pollock, T. M., and Carroll, M. C. Sat .
"Solute partitioning in multi-component γ/γ' Co–Ni-base superalloys with near-zero lattice misfit". United States. https://doi.org/10.1016/j.scriptamat.2015.10.039. https://www.osti.gov/servlets/purl/1294335.
@article{osti_1294335,
title = {Solute partitioning in multi-component γ/γ' Co–Ni-base superalloys with near-zero lattice misfit},
author = {Meher, S. and Carroll, L. J. and Pollock, T. M. and Carroll, M. C.},
abstractNote = {The addition of nickel to cobalt-base alloys enables alloys with a near zero γ – γ' lattice misfit. The solute partitioning between ordered γ' precipitates and the disordered γ matrix have been investigated using atom probe tomography. Lastly, the unique shift in solute partitioning in these alloys, as compared to that in simpler Co-base alloys, derives from changes in site substitution of solutes as the relative amounts of Co and Ni change, highlighting new opportunities for the development of advanced tailored alloys.},
doi = {10.1016/j.scriptamat.2015.10.039},
journal = {Scripta Materialia},
number = C,
volume = 113,
place = {United States},
year = {Sat Nov 21 00:00:00 EST 2015},
month = {Sat Nov 21 00:00:00 EST 2015}
}
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Works referencing / citing this record:
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