Laser dissimilar welding of Al/Mg lap-joint with Ti interlayer through optimized 8-shaped beam oscillation

Meng, Yunfei; Fu, Jiangwang; Gong, Mengcheng; Zhang, Shuai; Gao, Ming; Chen, Hui

doi:10.1016/j.optlastec.2023.109304

Optics & Laser Technology

2023

DOI: 10.1016/j.optlastec.2023.109304

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Laser dissimilar welding of Al/Mg lap-joint with Ti interlayer through optimized 8-shaped beam oscillation

Yunfei Meng

Jiangwang Fu

Mengcheng Gong

et al.

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Cited by 12 publications

(1 citation statement)

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“…Laser welding investigations focus on optimizing beam characteristics, such as wavelength and focus, to increase precision and control [ 53 ]. Real-time monitoring and feedback systems are being developed to dynamically adjust the process parameters, ensuring consistent and high-quality joints [ 54 ].…”

mentioning

confidence: 99%

Advances in the Experimentation and Numerical Modeling of Material Joining Processes

Campilho

2023

Materials

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mentioning

confidence: 99%

Advances in the Experimentation and Numerical Modeling of Material Joining Processes

Campilho

2023

Materials

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Effects of Laser Oscillation Frequency on the Microstructure and Properties of TiC/Fe‐Based Alloy Composite Coatings

Zhong,

Hu,

Zhang

et al. 2024

Adv Eng Mater

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Herein, TiC/Fe‐based alloys are melted and deposited on a 45‐steel substrate by using an oscillating laser with an 8‐shaped trajectory. Four samples are prepared to investigate the phase changes and microstructure characteristics using laser cladding under different oscillation frequencies. The microhardness, wear resistance, and electrochemical corrosion performance on both substrate and coatings are thoroughly evaluated. The results show that with TiC particles uniformly distributed throughout the coatings, the cladded coatings primarily composed of α‐Fe, (Cr, Fe)7C3, M2B (Cr, Fe), and TiC phases contribute to refined grains and enhanced mechanical strength; additionally, an increase in oscillation frequency leads to further grain refinement, which significantly improves the microhardness of coatings; however, higher hardness does not guarantee better wear resistance; the presence of cracks can actually decrease the coating's durability against wear. It is found that the coating with an oscillation frequency of 200 Hz not only achieves the best wear resistance, but also exhibits excellent electrochemical performance.

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Dramatic improvement of the strength of laser welded joints of Nb521 to GH3128 by adding pure copper as an interlayer

Liu

Zhang

et al. 2023

International Journal of Refractory Metals and Hard Materials

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Laser dissimilar welding of Al/Mg lap-joint with Ti interlayer through optimized 8-shaped beam oscillation

Cited by 12 publications

References 37 publications

Advances in the Experimentation and Numerical Modeling of Material Joining Processes

Advances in the Experimentation and Numerical Modeling of Material Joining Processes

Effects of Laser Oscillation Frequency on the Microstructure and Properties of TiC/Fe‐Based Alloy Composite Coatings

Dramatic improvement of the strength of laser welded joints of Nb521 to GH3128 by adding pure copper as an interlayer

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