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Energy balance in high-quality cutting of steel by fiber and CO.sub.2 lasers.(Report)

Fomin, V. M. ; Golyshev, A. A. ; Orishich, A. M. ; Shulyat'Ev, V. B.

Journal of Applied Mechanics and Technical Physics, 2017, Vol.58(2), p.371(8) [Periódico revisado por pares]

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  • Título:
    Energy balance in high-quality cutting of steel by fiber and CO.sub.2 lasers.(Report)
  • Autor: Fomin, V. M. ; Golyshev, A. A. ; Orishich, A. M. ; Shulyat'Ev, V. B.
  • Assuntos: Stainless Steel ; Lasers ; Sheet Metal
  • É parte de: Journal of Applied Mechanics and Technical Physics, 2017, Vol.58(2), p.371(8)
  • Descrição: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1134/S0021894417020237 Byline: V. M. Fomin (1), A. A. Golyshev (1), A. M. Orishich (1), V. B. Shulyat'ev (1) Keywords: laser cutting; CO.sub.2 laser; fiber laser; dimensionless parameters; energy balance Abstract: The energy balance of laser cutting of low-carbon and stainless steel sheets with the minimum roughness of the cut surface is experimentally studied. Experimental data obtained in wide ranges of cutting parameters are generalized with the use of dimensionless parameters (Peclet number and absorbed laser energy). It is discovered for the first time that the minimum roughness is ensured at a certain value of energy per unit volume of the melt (approximately 26 J/mm.sup.3), regardless of the gas type (oxygen or nitrogen) and laser type (fiber laser with a wavelength of 1.07 [micro]m or CO.sub.2 laser with a wavelength of 10.6 [micro]m). Author Affiliation: (1) Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia Article History: Registration Date: 01/06/2017 Received Date: 28/03/2016 Online Date: 03/06/2017 Article note: Original Russian Text [c] V.M. Fomin, A.A. Golyshev, A.M. Orishich, V.B. Shulyat'ev. Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 58, No. 2, pp. 212--220, March--April, 2017.
  • Idioma: Inglês

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