Capillary phenomenon during melt removal under gas-assisted laser cutting

Vladimir I. Ledenev; Vladimir A. Karasev; Vladimir P. Yakunin

doi:10.1117/12.337502

20 January 1999 Capillary phenomenon during melt removal under gas-assisted laser cutting

Vladimir I. Ledenev, Vladimir A. Karasev, Vladimir P. Yakunin

Proceedings Volume 3688, 6th International Conference on Industrial Lasers and Laser Applications '98; (1999) https://doi.org/10.1117/12.337502
Event: 6th International Conference on Industrial Lasers and Laser Applications '98, 1998, Shatura, Moscow Region, Russian Federation

Abstract

The results of experimental investigation of distributions of melt material remaining under workpieces depending on the nozzle pressure p_n are presented. It is demonstrated that there exist two critical pressures p_n,1 and p_n2 that separate the regions of full confinement, partial removal and full removal of melt. The estimations of p_n,1 and p_n,2 based on the relations between the time of melt gathering through the cutting front and the Rayleigh instability development are fulfilled. The obtained experimental results are in a satisfactory agreement with the performed estimations.

Citation Download Citation

Vladimir I. Ledenev, Vladimir A. Karasev, and Vladimir P. Yakunin "Capillary phenomenon during melt removal under gas-assisted laser cutting", Proc. SPIE 3688, 6th International Conference on Industrial Lasers and Laser Applications '98, (20 January 1999); https://doi.org/10.1117/12.337502

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