The imaging of the welding processes with the use of CuBr-laser

Yu N. Saraev; M. V. Trigub; N. A. Vasnev; V. M. Semenchuk; A. S. Nepomnyashiy

doi:10.1117/12.2554872

11 December 2019 The imaging of the welding processes with the use of CuBr-laser

Yu N. Saraev, M. V. Trigub, N. A. Vasnev, V. M. Semenchuk, A. S. Nepomnyashiy

Proceedings Volume 11322, XIV International Conference on Pulsed Lasers and Laser Applications; 113221U (2019) https://doi.org/10.1117/12.2554872
Event: XIV International Conference on Pulsed Lasers and Laser Applications (AMPL-2019), 2019, Tomsk, Russian Federation

Abstract

To optimize the welding processes and quality of a fixed connection needs to study of the melting and transfer of electrode metal into the weld pool. The paper discusses the results of studies of high speed processes of heat and mass transfer during arc welding with consumable electrodes. The imaging of such processes is difficult due to the presence of powerful light radiation from a welding arc. Its glow makes it practically impossible to obtain a satisfactory image using “simple” high-speed video recording methods. Our experimental researching has shown that the most effective method to improve the image quality of the studied object is the laser imaging method. It allows to significantly reduce the negative effects of background radiation. In the course of the research, the opportunity of using the CuBr laser with the narrow-band filters to image the observed object was shown.

Citation Download Citation

Yu N. Saraev, M. V. Trigub, N. A. Vasnev, V. M. Semenchuk, and A. S. Nepomnyashiy "The imaging of the welding processes with the use of CuBr-laser", Proc. SPIE 11322, XIV International Conference on Pulsed Lasers and Laser Applications, 113221U (11 December 2019); https://doi.org/10.1117/12.2554872

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KEYWORDS

Electrodes

Metals

Diagnostics

Optical filters

Cameras

Gases

Video

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