Crossref journal-article
Wiley
physica status solidi (b) (311)
Abstract

AbstractDetailed Monte Carlo simulations are performed of solute‐atom segregation at (002) twist boundaries in the Au–Pt system at 850 K; the particular single‐phase bicrystal alloys studied are Pt–1 at% Au and Au–1 at% Pt. The emphasis in this paper is on studying the distribution of solute atoms at low‐angle boundaries. For the Pt–1 at% Au alloy the distribution of sites enhanced in the solute species Au is found to form a bipyramid based on the square cells of the orthogonal primary grain boundary screw dislocations. In the case of the Au–1 at% Pt alloy the solute species Pt is found to be depleted and it also forms a similar bipyramidal pattern. The Gibbsian interfacial excesses of Au and Pt are found to be positive and negative, respectively, for the Pt–1 at% Au and Au–1 at% Pt bicrystal alloys. The absolute values of these Gibbsian interfacial excesses both increase with increasing twist angle.

Bibliography

Udler, D., & Seidman, D. N. (1992). Solute‐Atom Segregation at Symmetrical Twist Boundaries Studied by Monte Carlo Simulation. Physica Status Solidi (b), 172(1), 267–286. Portico.

Authors 2
  1. D. Udler (first)
  2. D. N. Seidman (additional)
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Dates
Type When
Created 18 years, 1 month ago (July 10, 2007, 6:46 p.m.)
Deposited 1 year, 9 months ago (Oct. 23, 2023, 12:34 p.m.)
Indexed 2 months, 3 weeks ago (May 27, 2025, 11:01 a.m.)
Issued 33 years, 1 month ago (July 1, 1992)
Published 33 years, 1 month ago (July 1, 1992)
Published Online 19 years, 6 months ago (Feb. 19, 2006)
Published Print 33 years, 1 month ago (July 1, 1992)
Funders 0

None

@article{Udler_1992, title={Solute‐Atom Segregation at Symmetrical Twist Boundaries Studied by Monte Carlo Simulation}, volume={172}, ISSN={1521-3951}, url={http://dx.doi.org/10.1002/pssb.2221720124}, DOI={10.1002/pssb.2221720124}, number={1}, journal={physica status solidi (b)}, publisher={Wiley}, author={Udler, D. and Seidman, D. N.}, year={1992}, month=jul, pages={267–286} }