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Molecular Dynamics Simulations of Reactive Wetting

Published online by Cambridge University Press:  17 March 2011

Edmund B. Webb III  and
Gary S. Grest
Edmund B. Webb III
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185-1411, U.S.A.
Gary S. Grest
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185-1411, U.S.A.
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Abstract

The wetting and spreading of liquid Ag drops on Cu (001) surfaces are studied with molecular dynamics simulations. As the liquid Ag drop spreads on the Cu surface, reactive wetting occurs in that a Ag/Cu alloy is formed. The results for the reactive wetting case are compared to a frozen substrate for which there is no alloying. At the highest temperature studied, T = 1300 K, the radius of the drop spreads faster than for the frozen substrate, indicating the driving force for spreading is greater when the liquid and solid mix. Lowering temperature in reactive systems results in behavior more similar to non-reactive systems due to suppressed mixing.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 701: Symposium T – Statistical Mechanical Modeling in Materials Research , 2001 , T2.8.1
Copyright
Copyright © Materials Research Society 2002

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References

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