Microstructure and mechanical performance of flat resistance element welded aluminum alloy/Q235 steel joints

Fei, Liangyu; Zhao, Shengdun; Zhang, Peng; Feng, Zhiyan; Jiang, Fei; Zhou, Hao

doi:10.1007/s00170-022-09104-4

Cited by 6 publications

(2 citation statements)

References 22 publications

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“…Therefore, a resistance element welding (REW) suitable for dissimilar material joining was developed on the basis of RSW [15,16]. Meanwhile, Qiu et al [17] studied REW of AA/MS using a headless rivet as an element; Fei et al [18] processed the prefabricated hole into a conical shape and welded AA and steel using countersunk head rivet as an element. Gunter and Meschut [19] took conical rivet as the element and carried out self-penetrating REW between AA and steel without prefabricated holes.…”

Section: Introductionmentioning

confidence: 99%

Resistance element welding of aluminium alloy and steel using an element of aluminium

Qiu

Zhao

et al. 2023

Science and Technology of Welding and Joining

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Aluminium alloy AA6061 and mild steel Q235 were welded by resistance element using an aluminium rivet as the element. The microstructure and properties of the joints were characterised. The temperature distribution on the cross-section of the joints was calculated by using ABAQUS numerical simulation software. The observation results on the cross-section of the joints show a nugget formed at the interface between the rivet tip and steel of lower plate. The maximum tensile shear load of the joints reached 5.82 kN at the welding current of 26 kA. This study reveals that the bearing interface of the resistance element welded joint between aluminium alloy and mild steel is like-to-like interface of aluminium alloy which strengthens the joint.

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Section: Introductionmentioning

confidence: 99%

Resistance element welding of aluminium alloy and steel using an element of aluminium

Qiu

Zhao

et al. 2023

Science and Technology of Welding and Joining

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“…In a preliminary study, Fei et al [22] joined Al alloy/Q235 steel by flat REW (FREW). Although the peak load of the FREW joints are higher than those of RSW joints, the peak load value is not high enough for certain cases.…”

Section: Introductionmentioning

confidence: 99%

Study on the microstructure and failure mechanisms for flat resistance element welding-bonding aluminium alloy/Q235 steel joints

Fei

Zhao

Zhang

et al. 2022

Science and Technology of Welding and Joining

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A novel method called flat resistance element welding-bonding (FREWB) is proposed to join aluminium alloy to Q235 steel. The microstructure and mechanical performance of FREWB and flat resistance element welding (FREW) were investigated. The microstructure of the nugget was lath martensite. The heat-affected zone of the rivet could be divided into two zones according to the microstructure: the upper-critical heat-affected zone (UCHAZ) and the inter-critical heat-affected zone (ICHAZ). The microstructure of UCHAZ consists of martensite, and the microstructure of ICHAZ consists of martensite and ferrite. The failure mechanisms of the FREW and FREWB joints were analysed. Moreover, an analytical model was established to predict the variation of critical nugget sizes, which provided a relatively good prediction.

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Resistance Rivet Welding of Aluminum Alloy and Steel with a Supplementary Plate

Shi,

Zhu,

et al. 2024

J. of Materi Eng and Perform

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Microstructure and mechanical performance of flat resistance element welded aluminum alloy/Q235 steel joints

Cited by 6 publications

References 22 publications

Resistance element welding of aluminium alloy and steel using an element of aluminium

Resistance element welding of aluminium alloy and steel using an element of aluminium

Study on the microstructure and failure mechanisms for flat resistance element welding-bonding aluminium alloy/Q235 steel joints

Resistance Rivet Welding of Aluminum Alloy and Steel with a Supplementary Plate

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