Nonlinear pseudofluid oscillation on the surface of Cu alloy

Xin'e Yang; Liying Ma; Houxiu Gao; Yuwen Qin

doi:10.1117/12.468763

29 May 2002 Nonlinear pseudofluid oscillation on the surface of Cu alloy

Xin'e Yang, Liying Ma, Houxiu Gao, Yuwen Qin

Proceedings Volume 4537, Third International Conference on Experimental Mechanics; (2002) https://doi.org/10.1117/12.468763
Event: Third International Conference on Experimental Mechanics, 2002, Beijing, China

Abstract

We report and analyze the oscillation phenomenon on Cu-26Zn-4Al alloy. The experimental observations indicate that the oscillation patterns manifest distinctly pseudo-fluid behavior in localized areas of micrometer order. By using a fluid mechanics approach, we find that the fluctuation of the adatom cell in the surface layer of Cu alloy exhibits the feature of non-propagating surface solitary wave. The exponential decay of the amplitude with time is in agreement with the measurement. It suggests that this new atom-configuration on the surface of solid materials be of some universality.

Citation Download Citation

Xin'e Yang, Liying Ma, Houxiu Gao, and Yuwen Qin "Nonlinear pseudofluid oscillation on the surface of Cu alloy", Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); https://doi.org/10.1117/12.468763

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