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Mechanical characteristics of high-quality laser cutting of steel by fiber and CO 2 lasers

Fomin, V. ; Golyshev, A. ; Malikov, A. ; Orishich, A. ; Shulyat’ev, V.

Journal of Applied Mechanics and Technical Physics, 2015, Vol.56(4), pp.726-735 [Periódico revisado por pares]

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  • Título:
    Mechanical characteristics of high-quality laser cutting of steel by fiber and CO 2 lasers
  • Autor: Fomin, V. ; Golyshev, A. ; Malikov, A. ; Orishich, A. ; Shulyat’ev, V.
  • Assuntos: laser cutting ; CO laser ; fiber laser ; cut quality criterion ; cutting velocity
  • É parte de: Journal of Applied Mechanics and Technical Physics, 2015, Vol.56(4), pp.726-735
  • Descrição: The quality of cutting of low-carbon and stainless steel by beams of fiber and CO 2 lasers with oxygen or nitrogen being used as a process gas is compared. The cut surface roughness for sheets from 3 to 10 mm thick is determined. Domains of optimal (in terms of the minimum roughness criterion) application of lasers of various types in the space of dimensionless parameters (Peclet number and dimensionless power) are found. It is demonstrated that the CO 2 laser is more effective for laser-oxygen cutting, while the fiber laser is more beneficial for cutting with the use of a neutral gas.
  • Idioma: Inglês

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