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Proceedings Paper

Noise and dislocation formation in atomistic friction simulations
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Paper Abstract

We use large-scale atomistic simulations to study the work-hardening process that occurs when two metals slide against one another. Dislocations form at the interface between the work pieces and then migrate into the bulk. We examine the relationship between the velocity noise signature at the atomistic level and the number of dislocations present. We compare these signatures to those observed in a system of a single particle dragged through a lattice, where local melting can occur.

Paper Details

Date Published: 25 May 2004
PDF: 8 pages
Proc. SPIE 5469, Fluctuations and Noise in Materials, (25 May 2004); doi: 10.1117/12.546859
Show Author Affiliations
Cynthia J. Olson Reichhardt, Los Alamos National Lab. (United States)


Published in SPIE Proceedings Vol. 5469:
Fluctuations and Noise in Materials
Dragana Popovic; Michael B. Weissman; Zoltan A. Racz, Editor(s)

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