DOI: 10.1063/1.121120. Atomistic studies of segregation and diffusion in Al-Cu grain boundaries

Atomistic studies of segregation and diffusion in Al-Cu grain boundaries

10.1063/1.121120

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

The segregation of Cu atoms at Al [110] Σ11 and [001] Σ5 tilt grain boundaries was studied. Cu atoms were found to segregate to asymmetric sites at the Σ11 boundary and form zig-zag planar aggregates at the interface. Segregation is dominated by atomic size and local hydrostatic stress. Cu atoms prefer to occupy the prime diffusion path sites at both grain boundaries. Cu segregation raises the vacancy formation and diffusion activation energies at Σ11 grain boundaries, thus slowing the rate of atomic diffusion.

Bibliography

Liu, X.-Y., Xu, W., Foiles, S. M., & Adams, J. B. (1998). Atomistic studies of segregation and diffusion in Al-Cu grain boundaries. Applied Physics Letters, 72(13), 1578â1580.

Authors 4

X.-Y. Liu (first)
Wei Xu (additional)
S. M. Foiles (additional)
J. B. Adams (additional)

References 11 Referenced 58

10.1109/PROC.1969.7340 / Proc. IEEE (1969)
{'key': '2024020314105017200_r1a', 'first-page': '1409', 'volume': '57', 'year': '1971', 'journal-title': 'Proc. IEEE'} / Proc. IEEE (1971)
{'key': '2024020314105017200_r1b'}
10.1116/1.1316583 / J. Vac. Sci. Technol. (1972)
10.1063/1.1653828 / Appl. Phys. Lett. (1971)
{'key': '2024020314105017200_r2b', 'first-page': '43', 'volume': '43', 'year': '1996', 'journal-title': 'J. Occup. Med.'} / J. Occup. Med. (1996)
10.1103/PhysRevB.29.6443 / Phys. Rev. B (1984)
10.1209/0295-5075/26/8/005 / Europhys. Lett. (1994)
10.1088/0965-0393/2/1/009 / Modelling Simulation Mater. Sci. Eng. (1994)
{'key': '2024020314105017200_r6'}
10.1557/PROC-428-177 / Mater. Res. Soc. Symp. Proc. (1996)

Dates

Type	When
Created	23 years ago (July 26, 2002, 9:07 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 9:11 a.m.)
Indexed	2 months, 3 weeks ago (May 27, 2025, 10:58 a.m.)
Issued	27 years, 4 months ago (March 30, 1998)
Published	27 years, 4 months ago (March 30, 1998)
Published Print	27 years, 4 months ago (March 30, 1998)

Funders 0

None

BibTeX

@article{Liu_1998, title={Atomistic studies of segregation and diffusion in Al-Cu grain boundaries}, volume={72}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.121120}, DOI={10.1063/1.121120}, number={13}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Liu, X.-Y. and Xu, Wei and Foiles, S. M. and Adams, J. B.}, year={1998}, month=mar, pages={1578–1580} }

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