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Title: Experimental comparison of laser energy losses in high-quality laser-oxygen cutting of low-carbon steel using radiation from fibre and CO{sub 2} lasers

Abstract

We report a comparative experimental study of laseroxygen cutting of low-carbon steel using a fibre laser with a wavelength of 1.07 μm and a CO{sub 2} laser with a wavelength of 10.6 μm at the sheet thickness of 3 – 16 mm. For the two lasers we have measured the dependence of the cutting speed on the radiation power and determined the cutting speed at which the surface roughness is minimal. The coefficient of laser radiation absorption in the laser cutting process is measured for these lasers at different values of the cutting speed and radiation power. It is found that the minimal roughness of the cut surface is reached at the absorbed laser energy per unit volume of the removed material, equal to 11 – 13 J mm{sup -3}; this value is the same for the two lasers and does not depend on the sheet thickness. (laser technologies)

Authors:
; ; ;  [1]
  1. S.A. Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk (Russian Federation)
Publication Date:
OSTI Identifier:
22551181
Resource Type:
Journal Article
Journal Name:
Quantum Electronics (Woodbury, N.Y.)
Additional Journal Information:
Journal Volume: 45; Journal Issue: 9; Other Information: Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1063-7818
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION; CARBON DIOXIDE LASERS; CARBON STEELS; CUTTING; ENERGY LOSSES; LASER RADIATION; ROUGHNESS; SURFACES; THICKNESS; WAVELENGTHS

Citation Formats

Golyshev, A A, Malikov, A G, Orishich, A M, and Shulyat'ev, V B. Experimental comparison of laser energy losses in high-quality laser-oxygen cutting of low-carbon steel using radiation from fibre and CO{sub 2} lasers. United States: N. p., 2015. Web. doi:10.1070/QE2015V045N09ABEH015739.
Golyshev, A A, Malikov, A G, Orishich, A M, & Shulyat'ev, V B. Experimental comparison of laser energy losses in high-quality laser-oxygen cutting of low-carbon steel using radiation from fibre and CO{sub 2} lasers. United States. https://doi.org/10.1070/QE2015V045N09ABEH015739
Golyshev, A A, Malikov, A G, Orishich, A M, and Shulyat'ev, V B. 2015. "Experimental comparison of laser energy losses in high-quality laser-oxygen cutting of low-carbon steel using radiation from fibre and CO{sub 2} lasers". United States. https://doi.org/10.1070/QE2015V045N09ABEH015739.
@article{osti_22551181,
title = {Experimental comparison of laser energy losses in high-quality laser-oxygen cutting of low-carbon steel using radiation from fibre and CO{sub 2} lasers},
author = {Golyshev, A A and Malikov, A G and Orishich, A M and Shulyat'ev, V B},
abstractNote = {We report a comparative experimental study of laseroxygen cutting of low-carbon steel using a fibre laser with a wavelength of 1.07 μm and a CO{sub 2} laser with a wavelength of 10.6 μm at the sheet thickness of 3 – 16 mm. For the two lasers we have measured the dependence of the cutting speed on the radiation power and determined the cutting speed at which the surface roughness is minimal. The coefficient of laser radiation absorption in the laser cutting process is measured for these lasers at different values of the cutting speed and radiation power. It is found that the minimal roughness of the cut surface is reached at the absorbed laser energy per unit volume of the removed material, equal to 11 – 13 J mm{sup -3}; this value is the same for the two lasers and does not depend on the sheet thickness. (laser technologies)},
doi = {10.1070/QE2015V045N09ABEH015739},
url = {https://www.osti.gov/biblio/22551181}, journal = {Quantum Electronics (Woodbury, N.Y.)},
issn = {1063-7818},
number = 9,
volume = 45,
place = {United States},
year = {Wed Sep 30 00:00:00 EDT 2015},
month = {Wed Sep 30 00:00:00 EDT 2015}
}