Effect of laser wobble on energy distribution and weld forming of Ti60 alloy laser welding

LU Yiting; LU Wei; WANG Bin; MA Xuyi; CHEN Wei

doi:10.12073/j.hjxb.20220728001

TRANSACTIONS OF THE CHINA WELDING INSTITUTION > 2023 > 44(6): 95-102. > DOI: 10.12073/j.hjxb.20220728001

LU Yiting, LU Wei, WANG Bin, MA Xuyi, CHEN Wei. Effect of laser wobble on energy distribution and weld forming of Ti60 alloy laser welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2023, 44(6): 95-102. DOI: 10.12073/j.hjxb.20220728001

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Effect of laser wobble on energy distribution and weld forming of Ti60 alloy laser welding

Power Beam Processing Laboratory, AVIC Manufacturing Technology Institute, Beijing 100024, China

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Received Date: July 27, 2022
Available Online: April 24, 2023

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Abstract

Abstract

Laser wobble welding is performed on a 2.0 mm-thick Ti60 sheet. The effects of wobble frequency and amplitude on weld forming and energy distribution are investigated when wobble track is circular. The result shows that, the weld forming of Ti60 welded joint can be significantly improved by using laser wobble welding. The effect of wobble parameters on weld forming is closely related to energy distribution, and the weld forming can be controlled by adjusting the energy distribution. When the wobble frequency and amplitude are in the range of 100 ~ 150 Hz and 0.5 ~ 1.0 mm, respectively, the laser energy distribution is relatively uniform, a uniform and a high-quality weld can be obtained. Comparing with the conventional laser welds, the weld width increases 30% and welding spatter decreases more than 30%, which offers a larger gap margin and an effect way of weld quality improvement. The wobble amplitude has a stronger influence on weld forming and energy distribution than the wobble frequency.
- Ti60 alloy,
- laser wobble welding,
- weld forming,
- energy distribution

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Effect of laser wobble on energy distribution and weld forming of Ti60 alloy laser welding

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