Molecular dynamics modeling of bonding two materials by atomic scale friction stir welding

Abstract

Molecular dynamics model of atomic scale friction stir welding has been developed. Formation of a butt joint between two crystallites was modeled by means of rotating rigid conical tool traveling along the butt joint line. The formed joint had an intermixed atomic structure composed of atoms initially belonged to the opposite mated piece of metal. Heat removal was modeled by adding the extra viscous force to peripheral atomic layers. This technique provides the temperature control in the tool-affected zone during welding. Auxiliary vibration action was added to the rotating tool. The model provides the variation of the tool's angular velocity, amplitude, frequency and direction of the auxiliary vibration action to provide modeling different welding modes.

Original language	English
Title of host publication	Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017
Publisher	American Institute of Physics Inc.
Volume	1909
ISBN (Electronic)	9780735416017
DOIs	https://doi.org/10.1063/1.5013773
Publication status	Published - 1 Dec 2017
Event	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017 - Tomsk, Russian Federation Duration: 9 Oct 2017 → 13 Oct 2017

Conference

Conference	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017
Country	Russian Federation
City	Tomsk
Period	9.10.17 → 13.10.17

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.5013773

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Konovalenko, I. S., Konovalenko, I. S., & Psakhie, S. G. (2017). Molecular dynamics modeling of bonding two materials by atomic scale friction stir welding. In Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017 (Vol. 1909). [020092] American Institute of Physics Inc.. https://doi.org/10.1063/1.5013773

Molecular dynamics modeling of bonding two materials by atomic scale friction stir welding. / Konovalenko, Iv S.; Konovalenko, Ig S.; Psakhie, S. G.

Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017. Vol. 1909 American Institute of Physics Inc., 2017. 020092.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Konovalenko, IS , Konovalenko, IS & Psakhie, SG 2017, Molecular dynamics modeling of bonding two materials by atomic scale friction stir welding. in Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017. vol. 1909, 020092, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017, Tomsk, Russian Federation, 9.10.17. https://doi.org/10.1063/1.5013773

Konovalenko IS , Konovalenko IS, Psakhie SG. Molecular dynamics modeling of bonding two materials by atomic scale friction stir welding. In Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2017, AMHS 2017. Vol. 1909. American Institute of Physics Inc. 2017. 020092 https://doi.org/10.1063/1.5013773

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AB - Molecular dynamics model of atomic scale friction stir welding has been developed. Formation of a butt joint between two crystallites was modeled by means of rotating rigid conical tool traveling along the butt joint line. The formed joint had an intermixed atomic structure composed of atoms initially belonged to the opposite mated piece of metal. Heat removal was modeled by adding the extra viscous force to peripheral atomic layers. This technique provides the temperature control in the tool-affected zone during welding. Auxiliary vibration action was added to the rotating tool. The model provides the variation of the tool's angular velocity, amplitude, frequency and direction of the auxiliary vibration action to provide modeling different welding modes.

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