Influence of Patterns on Mechanical Properties of Ultrasonically Welded Joints in Copper Substrate and Wire

Abbas, Zeshan; Teng, Fan; Zhao, Lun; Islam, Md Shafiqul

doi:10.1007/s12540-024-01646-4

Met. Mater. Int.

2024

DOI: 10.1007/s12540-024-01646-4

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Influence of Patterns on Mechanical Properties of Ultrasonically Welded Joints in Copper Substrate and Wire

Zeshan Abbas,

Fan Teng,

Lun Zhao

et al.

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2024

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Cited by 2 publications

References 36 publications

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Orthogonal experiments and bonding analysis of ultrasonic welded multi-layer battery foils and tabs

Zhao,

Su,

et al. 2024

Engineering Science and Technology, an International Journal

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Orthogonal experiments and bonding analysis of ultrasonic welded multi-layer battery foils and tabs

Zhao,

Su,

et al. 2024

Engineering Science and Technology, an International Journal

View full text Add to dashboard Cite

Experimental study under thermal shock environment to investigate effect of welding width on properties of ultrasonically welded joints of multiple copper cables

Zhang,

Abbas,

Zhao

et al. 2024

Sci Rep

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Based on the ultrasonic welding technology, this study uses three different welding widths to weld copper cables with different specifications. The influence of welding width on the mechanical properties and microstructure of each group of welded joints was systematically studied for the first time. The thermal shock test was carried out for each group of welded joints under optimum welding width to simulate the influence of severe temperature change environment on joint performance. It is found that the cross-sectional area of joint is 20 mm2 and optimal welding width of joint composed of two and three cables is 7 mm. The optimal welding temperature of the joint composed of four cables is 5 mm. Under the optimal welding width, the average shear strength of two-cable joint reaches 309.4 N. The four-cable joint is only 232.2 N. Moreover, the welding strength weakens significantly as the number of cables and the peak temperature decreases. The high temperature of bonding interface is the key factor to form a good weld. The peak temperature during welding is negatively correlated with the porosity of joint and positively correlated with peeling strength of joint. In addition, the morphology of ultrasonically welded joints has changed obviously after thermal shock test. With the participation of oxygen, the surface of welded joint is gray and bright brass, while the interior of joint is purple due to lack of oxygen. Moreover, the phenomenon of atomic diffusion and thermal expansion generates joints which were initially in a mechanically interlocked form and welding interface of the metallurgical bond under the action of high temperature. So the maximum joint peel strength is slightly improved.

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Influence of Patterns on Mechanical Properties of Ultrasonically Welded Joints in Copper Substrate and Wire

Cited by 2 publications

References 36 publications

Orthogonal experiments and bonding analysis of ultrasonic welded multi-layer battery foils and tabs

Orthogonal experiments and bonding analysis of ultrasonic welded multi-layer battery foils and tabs

Experimental study under thermal shock environment to investigate effect of welding width on properties of ultrasonically welded joints of multiple copper cables

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