Influence of tool shape on lattice rearrangement under loading conditions reproducing friction stir welding

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Abstract

Metal behavior under loading conditions that reproduce friction stir welding was studied on the atomic scale. Calculations were conducted based on molecular dynamics simulation with potentials calculated within the embedded atom method. The loading of the interface between two crystallites, whose structure corresponded to aluminum alloy 2024, was simulated by the motion of a cone-shaped tool along the interface with constant angular and translational velocities. The motion of the rotating tool causes fracture of the workpiece crystal structure with subsequent mixing of surface atoms of the interfacing crystallites. It is shown that the resistance force acting on the moving tool from the workpiece and the process of structural defect formation in the workpiece depend on the tool shape.

Original languageEnglish
Title of host publicationAdvanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
EditorsVictor E. Panin, Sergey G. Psakhie, Vasily M. Fomin
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735413306
DOIs
Publication statusPublished - 27 Oct 2015
EventInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015 - Tomsk, Russian Federation
Duration: 21 Sep 201525 Sep 2015

Publication series

NameAIP Conference Proceedings
Volume1683
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2015
CountryRussian Federation
CityTomsk
Period21.9.1525.9.15

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Konovalenko, I. S., & Konovalenko, I. S. (2015). Influence of tool shape on lattice rearrangement under loading conditions reproducing friction stir welding. In V. E. Panin, S. G. Psakhie, & V. M. Fomin (Eds.), Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures [020090] (AIP Conference Proceedings; Vol. 1683). American Institute of Physics Inc.. https://doi.org/10.1063/1.4932780