Deformation behavior of dissimilar ultrasonic spot-welded joints of a clad 7075 aluminum alloy to galvanized high-strength low-alloy steel

Dash, S.S.; Biswas, S.; Peng, H.; Jiang, X.Q.; Li, D.Y.; Chen, D.L.

doi:10.1016/j.msea.2024.146179

Materials Science and Engineering: A

2024

DOI: 10.1016/j.msea.2024.146179

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Deformation behavior of dissimilar ultrasonic spot-welded joints of a clad 7075 aluminum alloy to galvanized high-strength low-alloy steel

S.S. Dash,

S. Biswas,

H. Peng

et al.

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2024

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Cited by 3 publications

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Effect of intermetallic compounds on the mechanical properties of Cu/Al clad sheets with an SS304 interlayer

Gao,

Li,

Song

et al. 2024

Materials Science and Engineering: A

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Effect of intermetallic compounds on the mechanical properties of Cu/Al clad sheets with an SS304 interlayer

Gao,

Li,

Song

et al. 2024

Materials Science and Engineering: A

View full text Add to dashboard Cite

Optimization and Experimental Evaluation of Lap Shear, Ram Tensile and Hardness of Diffusion Bonded Aa7075/Az80 Alloys Using Response Surface Methodology

CHENTHIL,

JASWIN,

SHANKAR

2024

Surf. Rev. Lett.

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Diffusion bonding of AA7075/AZ80 joint has been synthesized, studied and demonstrated to optimize the lap shear, Ram tensile and hardness properties. Response surface methodology (RSM) is applied to develop mathematical relationships between the control parameters of two factors and three-level responses. Optimization experiments were carried out to check the models’ adequacy. The results show a high degree of coincidence between the optimized and actual values, implying that the proposed models can accurately forecast lap shear, Ram tensile, and hardness properties force within the process parameter constraints of the diffusion bonding process. Scanned electron microscopic Scanning Electron Microscope (SEM) images, optical images, and radiography film photography investigations also revealed the excellent fracture resistance of the AA7075/AZ80 alloy, making it a suitable material for deployment in engineering applications.

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High-Cycle Fatigue Characteristics of Aluminum/Steel Clinched and Resistance-Spot-Welded Joints Based on Failure Modes

Meilinger,

Kovács,

Lukács

2024

Metals

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Materials for lightweight vehicle structures play an increasingly important role in both economic and environmental terms; high-strength steels and aluminum alloys are suitable for this role. Resistance spot welding (RSW) and conventional clinching (CCL) methods can be used for joining vehicle bodies and can also be applied for aluminum/steel hybrid joints. Whereas vehicle structures are subjected to cyclic loading, damages can occur due to high-cycle fatigue (HCF) during long-term operation. Systematic HCF test results are rarely found in the literature, while HCF loading basically determines the lifetime of the hybrid joints. The base materials 5754-H22, 6082-T6, and DP600 were used for similar and hybrid RSW and CCL joints, and HCF tests were performed. The number of cycles-to-failure values and failure modes were studied and analyzed. Based on the experimental results, HCF design curves belonging to a 50% failure probability were calculated for all cases, and the curves were compared. Clear relationships were found between the failure modes and fatigue cycle numbers for both joining methods. Considering the steel/steel joints as a base, the load-bearing capacity of the hybrid joints is lower (48.7% and 73.0% for RSW, 35.0% and 38.7% for CCL) and it is even lower for the aluminum/aluminum joints (39.9% and 50.4% for RSW, 31.7% and 35.0% for CCL). With one exception, the load-bearing capacity of the CCL joints is higher than that of the RSW joints (156.1–108.3%).

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Deformation behavior of dissimilar ultrasonic spot-welded joints of a clad 7075 aluminum alloy to galvanized high-strength low-alloy steel

Cited by 3 publications

References 55 publications

Effect of intermetallic compounds on the mechanical properties of Cu/Al clad sheets with an SS304 interlayer

Effect of intermetallic compounds on the mechanical properties of Cu/Al clad sheets with an SS304 interlayer

Optimization and Experimental Evaluation of Lap Shear, Ram Tensile and Hardness of Diffusion Bonded Aa7075/Az80 Alloys Using Response Surface Methodology

High-Cycle Fatigue Characteristics of Aluminum/Steel Clinched and Resistance-Spot-Welded Joints Based on Failure Modes

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