Investigation of Image Characteristics of Plume and Spatters during High-Power Disk Laser Welding

Abstract:

During high-power laser welding process, the workpiece produces metal vapor because of the laser irradiation. The characteristics of metal vapor are related to the quality and stability of welding and the utilization of the laser power. An approach of analyzing the characteristics of metal vapor was researched during high-power disk laser bead-on-plate welding of Type 304 austenitic stainless steel plates at a continuous wave laser power of 10 kW. A high-speed photography was used to capture metal vapor dynamic images. Metal vapor area, beam path, swing angle are calculated by image processing, which is the foundation for monitoring and control of welding quality in real time.

• Periodical: Advanced Materials Research (Volume 709)
• Pages: 301-304
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.709.301
• Online since: June 2013
• Authors: Gui Qian Liu, Xiang Dong Gao
• Keywords: High-Power Disk Laser Welding, Image Characteristics, Plume, Spatters

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