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Cited by 26Advanced Welding Techniques AnalysisWelding Techniques and Residual StressesAluminum Alloy Microstructure Properties

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Effects of the FSW Parameters on Microstructure and Electrical Properties in Al 6061-T6- Cu C11000 Plate Joints

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García-Navarro, Daniel, Ortiz-Cuellar, Juan Carlos, Galindo-Valdés, Jesús Salvador, Gómez-Casas, Josué, Muñiz-Valdez, Carlos Rodrigo, Rodríguez-Rosales, Nelly Abigaíl·2020·Crystals
DOI 10.3390/cryst11010021
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Abstract

Friction Stir Welding (FSW) is a feasible welding process to join dissimilar materials due to its solid-state nature. In this study the FSW of 6061-T6 aluminum with pure Cu plates was performed with the objective of evaluating the effects of the FSW parameters on the microstructure and electrical properties. The processing parameters (rotational and traverse speeds) were established to reduce the common defects in the friction-stir welding process. Therefore, the obtained results validated the better mechanical properties and a smaller increase of the electrical resistivity. The rotational speeds used were of 1000, 1150, and 1300 rpm, and the traverse speeds of 20, 40, and 60 mm/min, with the purpose of varying the heat input of the process. The microstructural characterization revealed the presence of a mixture of aluminum and copper into the weld zone, along with copper particles and the formation of intermetallic compounds. It was found that the electrical resistivity of the joints ranged from 0.029 to 0.036 μΩ. The highest electrical resistivity values were obtained at the lowest traverse speed (20 mm/min) and the lowest resistivity values were obtained at highest traverse speed (60 mm/min).

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Metadata

Authors
García-Navarro, D., Ortiz-Cuellar, J. C., Galindo-Valdés, J. S., Gómez-Casas, J., Muñiz-Valdez, C. R., & Rodríguez-Rosales, N. A.
Affiliations
  • Instituto Tecnológico de Saltillo (MX)
  • Universidad Autónoma de Coahuila (MX)
Corresponding author
Rodríguez-Rosales, Nelly Abigaíl
ORCID
Venue
Crystals
Publisher
MDPI AG
Published
2020-12-29
Volume
11
Issue
1
Pages
21
ISSN
2073-4352 (ISSN-L)
DOI
10.3390/cryst11010021
OpenAlex
W3114894512
Cited by
26
References
0
Citations by year
2026: 5 · 2025: 8 · 2024: 4 · 2023: 4 · 2022: 4 · 2021: 1
FWCI
1.11
Type
journal article
Language
en
Open access
Licence
Locations
  • Crystals (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Welding Techniques Analysis
  • Physical Sciences › Engineering › Mechanical Engineering › Welding Techniques and Residual Stresses
  • Physical Sciences › Materials Science › Metals and Alloys › Aluminum Alloy Microstructure Properties
Keywords
friction stir welding, dissimilar metal joining, aluminum-copper joints, 6061-T6 aluminum, rotational speed, traverse speed, heat input, electrical resistivity, microstructure, intermetallic compounds, weld defects

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