Investigation of interdiffusion and intermetallic compounds in Al–Cu joint produced by continuous drive friction welding

Yanni Wei; Jinglong Li; Jiangtao Xiong; Fusheng Zhang

doi:10.1016/j.jestch.2015.05.009

Investigation of interdiffusion and intermetallic compounds in Al–Cu joint produced by continuous drive friction welding

Yanni Wei, Jinglong Li, Jiangtao Xiong, Fusheng Zhang

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

In this paper, the joints between Al and Cu bars were fabricated by continuous drive friction welding. The microstructures and the compositions of the composites were analyzed by SEM, EDS and XRD. The surface temperature was observed using an infrared thermographic camera. The interface temperatures were suggested in the range of 648~723 K at different welding parameters. The interdiffusion between Al and Cu atoms is extraordinarily rapid, as the interdiffusion coefficients could reach 7.8 × 10⁻¹² m²/s. Intermetallic phases Al₂Cu and Al₄Cu₉ were identified in all samples in view of the XRD and EDS analyses. The effective Gibbs free energy change of formation model was proposed to predict the Al–Cu compound formation at solid-state interface, and the calculation combined with kinetic factors showed that Al₂Cu (Al side) and Al₄Cu₉ (Cu side) appeared first.

Original language	English
Pages (from-to)	90-95
Number of pages	6
Journal	Engineering Science and Technology, an International Journal
Volume	19
Issue number	1
DOIs	https://doi.org/10.1016/j.jestch.2015.05.009
State	Published - 1 Mar 2016

Keywords

Al–Cu joint
Continuous drive friction welding
Formation Gibbs free energy
Interdiffusion
Intermetallic phase

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10.1016/j.jestch.2015.05.009

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title = "Investigation of interdiffusion and intermetallic compounds in Al–Cu joint produced by continuous drive friction welding",

abstract = "In this paper, the joints between Al and Cu bars were fabricated by continuous drive friction welding. The microstructures and the compositions of the composites were analyzed by SEM, EDS and XRD. The surface temperature was observed using an infrared thermographic camera. The interface temperatures were suggested in the range of 648~723 K at different welding parameters. The interdiffusion between Al and Cu atoms is extraordinarily rapid, as the interdiffusion coefficients could reach 7.8 × 10−12 m2/s. Intermetallic phases Al2Cu and Al4Cu9 were identified in all samples in view of the XRD and EDS analyses. The effective Gibbs free energy change of formation model was proposed to predict the Al–Cu compound formation at solid-state interface, and the calculation combined with kinetic factors showed that Al2Cu (Al side) and Al4Cu9 (Cu side) appeared first.",

keywords = "Al–Cu joint, Continuous drive friction welding, Formation Gibbs free energy, Interdiffusion, Intermetallic phase",

author = "Yanni Wei and Jinglong Li and Jiangtao Xiong and Fusheng Zhang",

note = "Publisher Copyright: {\textcopyright} 2015 Karabuk University",

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doi = "10.1016/j.jestch.2015.05.009",

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T1 - Investigation of interdiffusion and intermetallic compounds in Al–Cu joint produced by continuous drive friction welding

AU - Wei, Yanni

AU - Li, Jinglong

AU - Xiong, Jiangtao

AU - Zhang, Fusheng

PY - 2016/3/1

Y1 - 2016/3/1

N2 - In this paper, the joints between Al and Cu bars were fabricated by continuous drive friction welding. The microstructures and the compositions of the composites were analyzed by SEM, EDS and XRD. The surface temperature was observed using an infrared thermographic camera. The interface temperatures were suggested in the range of 648~723 K at different welding parameters. The interdiffusion between Al and Cu atoms is extraordinarily rapid, as the interdiffusion coefficients could reach 7.8 × 10−12 m2/s. Intermetallic phases Al2Cu and Al4Cu9 were identified in all samples in view of the XRD and EDS analyses. The effective Gibbs free energy change of formation model was proposed to predict the Al–Cu compound formation at solid-state interface, and the calculation combined with kinetic factors showed that Al2Cu (Al side) and Al4Cu9 (Cu side) appeared first.

AB - In this paper, the joints between Al and Cu bars were fabricated by continuous drive friction welding. The microstructures and the compositions of the composites were analyzed by SEM, EDS and XRD. The surface temperature was observed using an infrared thermographic camera. The interface temperatures were suggested in the range of 648~723 K at different welding parameters. The interdiffusion between Al and Cu atoms is extraordinarily rapid, as the interdiffusion coefficients could reach 7.8 × 10−12 m2/s. Intermetallic phases Al2Cu and Al4Cu9 were identified in all samples in view of the XRD and EDS analyses. The effective Gibbs free energy change of formation model was proposed to predict the Al–Cu compound formation at solid-state interface, and the calculation combined with kinetic factors showed that Al2Cu (Al side) and Al4Cu9 (Cu side) appeared first.

KW - Al–Cu joint

KW - Continuous drive friction welding

KW - Formation Gibbs free energy

KW - Interdiffusion

KW - Intermetallic phase

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DO - 10.1016/j.jestch.2015.05.009

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SN - 2215-0986

VL - 19

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EP - 95

JO - Engineering Science and Technology, an International Journal

JF - Engineering Science and Technology, an International Journal

IS - 1

ER -

Investigation of interdiffusion and intermetallic compounds in Al–Cu joint produced by continuous drive friction welding

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Keywords

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