Theoretical study on thermal and structural phenomena in thin elements heated by a laser beam

• Autorzy: Kubiak M. , Piekarska W. , Parkitny R.
• Języki publikacji: EN

Abstrakty

EN

This paper concerns the mathematical and numerical modelling of thermal phenomena and phase transformations in the solid state accompanying laser heating processes. Thermal phenomena with the motion of a liquid metal in the fusion zone are analyzed on the basis of numerical solution of equations for mass, momentum and energy conservation. Phase transformations in solid state are estimated using classic models of the kinetics of phase transformations as well as continuous heating transformations (CHT) and continuous cooling transformations (CCT) diagrams for S355 steel. Computer simulations are executed for the laser welding process in order to predict the influence of welding speed on the structural composition as well as thermal and structural strains in the joint.

Słowa kluczowe

EN

laser processing; heat transfer; fluid flow; phase transformations; numerical modelling

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 2015
• Tom: Vol. 67, nr 1
• Strony: 3--24
• Opis fizyczny: Bibliogr. 27 poz., rys., wykr.

Twórcy

autor

Kubiak M.

• Institute of Mechanics and Machine Design Foundations Częstochowa University of Technology Dąbrowskiego 73, 42-200 Częstochowa, Poland

autor

Piekarska W.

• Institute of Mechanics and Machine Design Foundations Częstochowa University of Technology Dąbrowskiego 73, 42-200 Częstochowa, Poland

autor

Parkitny R.

• Katowice School of Technology Rolna 43, 40-555 Katowice, Poland

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