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Mathematical modelling of continuous laser welding and local heat treatment of welded pipes of stainless and heat-resistant chromium-nickel steels

Savin, V V ; Reintal, E. A. ; Likhoshva, V P ; Timoshenko, A N ; Osadchy, A V ; Savina, L A

Journal of physics. Conference series, 2018-11, Vol.1109 (1), p.12003 [Periódico revisado por pares]

Bristol: IOP Publishing

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Título:
Mathematical modelling of continuous laser welding and local heat treatment of welded pipes of stainless and heat-resistant chromium-nickel steels
Autor: Savin, V V ; Reintal, E. A. ; Likhoshva, V P ; Timoshenko, A N ; Osadchy, A V ; Savina, L A
Assuntos: Austenitic stainless steels ; Butt welding ; Heat resistant steels ; Heat treating ; Heat treatment ; Laser beam welding ; Lasers ; Mathematical analysis ; Mathematical models ; Nickel ; Nickel chromium steels ; Nickel steels ; Seams ; Solidification ; Thermal stress ; Welded pipes ; Workpieces
É parte de: Journal of physics. Conference series, 2018-11, Vol.1109 (1), p.12003
Descrição: The method of mathematical modeling has been used to study the features and regularities of the processes of shaping the tube billet, laser butt welding and local laser heat treatment of straight-seamed pipes from stainless austenitic steels. It is shown that for laser radiation with a power of 6 kW it is possible to weld workpieces up to 10 mm thick. The applicability of local laser heat treatment for a welded seam is estimated. It is established that at a welding speed of up to 3 m / min for a laser with a power of up to 6 kW, a local surface laser heat treatment of the seam with a width of up to 2 mm is possible up to a depth of 3 mm. This treatment meets the requirements of minimizing the tensile stresses generated in the pipe on the external surface during its shaping and thermal stresses during the solidification of the weld melt.
Editor: Bristol: IOP Publishing
Idioma: Inglês

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Mathematical modelling of continuous laser welding and local heat treatment of welded pipes of stainless and heat-resistant chromium-nickel steels

Savin, V V ; Reintal, E. A. ; Likhoshva, V P ; Timoshenko, A N ; Osadchy, A V ; Savina, L A

Bristol: IOP Publishing

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