A review of laser welding for aluminium and copper dissimilar metals

Ma, Bo; Gao, Xiangdong; Huang, Yudong; Gao, Perry P.; Zhang, Yanxi

doi:10.1016/j.optlastec.2023.109721

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Cited by 32 publications

References 120 publications

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Critical Analysis of Current Tools and Techniques in Exploring Laser Welding for Joining Plates and Pipes with Similar/Dissimilar Metals from Various Sources

Rawal,

Badkar

2024

Sustainable Civil Infrastructures

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Critical Analysis of Current Tools and Techniques in Exploring Laser Welding for Joining Plates and Pipes with Similar/Dissimilar Metals from Various Sources

Rawal,

Badkar

2024

Sustainable Civil Infrastructures

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High-Strength Dissimilar Welds Between a NiTi Shape Memory Alloy and Titanium Obtained by Intermixing Niobium Using Pulsed Laser Beam Welding

Wiegand,

Sommer,

Marks

et al. 2023

Metall Mater Trans A

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Joining of NiTi shape memory alloys with commercially pure titanium (Ti) is of great interest for manifold industrial applications. However, dissimilar fusion welding of these materials is associated with the formation of extremely brittle intermetallic compounds, e.g., Ti2Ni and TiNi3, which drastically limit the mechanical properties of NiTi/Ti joints. The present investigation seeks to improve both chemical compatibility and mechanical performance through intermixing of a niobium foil as filler material into a NiTi/Nb/Ti butt-joint configuration by means of pulsed laser beam welding. Different pulse durations are applied to tailor intermixing and evaluate the deviating chemical compositions of the weld metal. It is demonstrated that intermixing of niobium significantly increases the weldability of the material combination NiTi/Ti compared to autogenous welding. However, the proportion of intermixed filler material exerts a substantial impact on the microstructural evolution and mechanical properties. Ultimate tensile strengths of up to 679 MPa with fracture occurring in the titanium base metal at an elongation at break of 18.7 pct is obtained by a reduction of the pulse duration, which represents a major improvement over previous studies focusing on fusion welding of NiTi to titanium and its alloys.

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Research Status and Prospects of Ultrasonic Vibration-Assisted Joining Technology for Difficult-to-Weld High-Strength Alloys

Zhang,

Peng,

Peng

et al. 2024

Met. Mater. Int.

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A review of laser welding for aluminium and copper dissimilar metals

Cited by 32 publications

References 120 publications

Critical Analysis of Current Tools and Techniques in Exploring Laser Welding for Joining Plates and Pipes with Similar/Dissimilar Metals from Various Sources

Critical Analysis of Current Tools and Techniques in Exploring Laser Welding for Joining Plates and Pipes with Similar/Dissimilar Metals from Various Sources

High-Strength Dissimilar Welds Between a NiTi Shape Memory Alloy and Titanium Obtained by Intermixing Niobium Using Pulsed Laser Beam Welding

Research Status and Prospects of Ultrasonic Vibration-Assisted Joining Technology for Difficult-to-Weld High-Strength Alloys

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