Revealing joining mechanism in refill friction stir spot welding of AZ31 magnesium alloy to galvanized DP600 steel

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Standard

Revealing joining mechanism in refill friction stir spot welding of AZ31 magnesium alloy to galvanized DP600 steel. / Fu, Banglong; Shen, Junjun; Suhuddin, Uceu F.H.R. et al.

In: Materials and Design, Vol. 209, 109997, 01.11.2021.

Research output: Journal contributionsJournal articlesResearchpeer-review

Harvard

APA

Fu, B., Shen, J., Suhuddin, U. F. H. R., Pereira, A. A. C., Maawad, E., dos Santos, J. F., Klusemann, B., & Rethmeier, M. (2021). Revealing joining mechanism in refill friction stir spot welding of AZ31 magnesium alloy to galvanized DP600 steel. Materials and Design, 209, [109997]. https://doi.org/10.1016/j.matdes.2021.109997

Vancouver

Fu B, Shen J, Suhuddin UFHR, Pereira AAC, Maawad E, dos Santos JF et al. Revealing joining mechanism in refill friction stir spot welding of AZ31 magnesium alloy to galvanized DP600 steel. Materials and Design. 2021 Nov 1;209:109997. Epub 2021 Jul 22. doi: 10.1016/j.matdes.2021.109997

Bibtex

@article{a270ad8c65474cc58def0c69333e8c1e,
title = "Revealing joining mechanism in refill friction stir spot welding of AZ31 magnesium alloy to galvanized DP600 steel",
abstract = "The application of magnesium (Mg) inevitably involves dissimilar welding with steel. A novel solid state spot welding method, refill friction stir spot welding (refill FSSW), was utilized to weld AZ31 Mg alloy to galvanized DP600 steel. Although Mg/Fe is an immiscible alloy system, defect-free welds with high strength were successfully obtained in a wide parameter window. The results of microstructure, interfacial reactions, and mechanical properties are reported to reveal the underlying joining mechanism. Due to the melting of Zn coating and subsequent Mg-Zn reactions, Mg-Zn eutectic and intermetallic compounds were detected within welds. Heterogeneous interfacial reactions occur along Mg/steel interface, and the relationship between interfacial structure and fracture behavior was investigated. The joining mechanism is associated with Zn coating and Fe-Al layer: 1) the presence of Zn coating is beneficial for achieving high-quality welding between Mg and steel, it protects the interface from oxidation and contributes to brazing of the weld; 2) the Al present in Mg alloy reacts with Fe, resulting in the growth of Fe-Al layer, which contributes to the diffusion bonding in the interface. The overall results clearly show that refill FSSW is a competitive welding method for joining Mg and galvanized steel.",
keywords = "Galvanized steel, Magnesium alloy, Mechanical properties, Microstructure, Multi-materials joining, Refill friction stir spot welding, Engineering",
author = "Banglong Fu and Junjun Shen and Suhuddin, {Uceu F.H.R.} and Pereira, {Ayrton A.C.} and Emad Maawad and {dos Santos}, {Jorge F.} and Benjamin Klusemann and Michael Rethmeier",
note = "Banglong Fu is gratefully acknowledging the funding of China Scholarship Council (Grant No. 201506220158). The valuable suggestions from Ms. Changyun Sun (Ludwig-Maximilians-Universit?t M?nchen, LMU) are greatly appreciated. The authors are grateful to Prof. Dr. Norbert Hort and Daniel Strerath (Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon) for the help in determining the chemical compositions of BMs. We acknowledge Deutsches Elektronen-Synchrotron DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of the research were carried out at the High Energy Materials Science (HEMS) of the Helmholtz-Zentrum Hereon using P07B beamline. All the raw/processed data required to reproduce these findings are available from the authors upon reasonable requests.",
year = "2021",
month = nov,
day = "1",
doi = "10.1016/j.matdes.2021.109997",
language = "English",
volume = "209",
journal = "Materials and Design",
issn = "0264-1275",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Revealing joining mechanism in refill friction stir spot welding of AZ31 magnesium alloy to galvanized DP600 steel

AU - Fu, Banglong

AU - Shen, Junjun

AU - Suhuddin, Uceu F.H.R.

AU - Pereira, Ayrton A.C.

AU - Maawad, Emad

AU - dos Santos, Jorge F.

AU - Klusemann, Benjamin

AU - Rethmeier, Michael

N1 - Banglong Fu is gratefully acknowledging the funding of China Scholarship Council (Grant No. 201506220158). The valuable suggestions from Ms. Changyun Sun (Ludwig-Maximilians-Universit?t M?nchen, LMU) are greatly appreciated. The authors are grateful to Prof. Dr. Norbert Hort and Daniel Strerath (Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon) for the help in determining the chemical compositions of BMs. We acknowledge Deutsches Elektronen-Synchrotron DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of the research were carried out at the High Energy Materials Science (HEMS) of the Helmholtz-Zentrum Hereon using P07B beamline. All the raw/processed data required to reproduce these findings are available from the authors upon reasonable requests.

PY - 2021/11/1

Y1 - 2021/11/1

N2 - The application of magnesium (Mg) inevitably involves dissimilar welding with steel. A novel solid state spot welding method, refill friction stir spot welding (refill FSSW), was utilized to weld AZ31 Mg alloy to galvanized DP600 steel. Although Mg/Fe is an immiscible alloy system, defect-free welds with high strength were successfully obtained in a wide parameter window. The results of microstructure, interfacial reactions, and mechanical properties are reported to reveal the underlying joining mechanism. Due to the melting of Zn coating and subsequent Mg-Zn reactions, Mg-Zn eutectic and intermetallic compounds were detected within welds. Heterogeneous interfacial reactions occur along Mg/steel interface, and the relationship between interfacial structure and fracture behavior was investigated. The joining mechanism is associated with Zn coating and Fe-Al layer: 1) the presence of Zn coating is beneficial for achieving high-quality welding between Mg and steel, it protects the interface from oxidation and contributes to brazing of the weld; 2) the Al present in Mg alloy reacts with Fe, resulting in the growth of Fe-Al layer, which contributes to the diffusion bonding in the interface. The overall results clearly show that refill FSSW is a competitive welding method for joining Mg and galvanized steel.

AB - The application of magnesium (Mg) inevitably involves dissimilar welding with steel. A novel solid state spot welding method, refill friction stir spot welding (refill FSSW), was utilized to weld AZ31 Mg alloy to galvanized DP600 steel. Although Mg/Fe is an immiscible alloy system, defect-free welds with high strength were successfully obtained in a wide parameter window. The results of microstructure, interfacial reactions, and mechanical properties are reported to reveal the underlying joining mechanism. Due to the melting of Zn coating and subsequent Mg-Zn reactions, Mg-Zn eutectic and intermetallic compounds were detected within welds. Heterogeneous interfacial reactions occur along Mg/steel interface, and the relationship between interfacial structure and fracture behavior was investigated. The joining mechanism is associated with Zn coating and Fe-Al layer: 1) the presence of Zn coating is beneficial for achieving high-quality welding between Mg and steel, it protects the interface from oxidation and contributes to brazing of the weld; 2) the Al present in Mg alloy reacts with Fe, resulting in the growth of Fe-Al layer, which contributes to the diffusion bonding in the interface. The overall results clearly show that refill FSSW is a competitive welding method for joining Mg and galvanized steel.

KW - Galvanized steel

KW - Magnesium alloy

KW - Mechanical properties

KW - Microstructure

KW - Multi-materials joining

KW - Refill friction stir spot welding

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85111319509&partnerID=8YFLogxK

U2 - 10.1016/j.matdes.2021.109997

DO - 10.1016/j.matdes.2021.109997

M3 - Journal articles

AN - SCOPUS:85111319509

VL - 209

JO - Materials and Design

JF - Materials and Design

SN - 0264-1275

M1 - 109997

ER -

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