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2015 | OriginalPaper | Buchkapitel

A 3-D Finite Element Analysis of Transient Temperature Profile of Laser Welded Ti-6Al-4V Alloy

verfasst von : Chandan Kumar, Manas Das, Pankaj Biswas

Erschienen in: Lasers Based Manufacturing

Verlag: Springer India

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Abstract

In this work, a numerical investigation of transient temperature profile of Laser beam welding process is carried out. A 3-D finite element modelling is developed considering combined double-ellipsoidal heat source model for both spot and moving heat sources. The temperature dependent thermo-physical material properties of Ti-6Al-4V alloy are incorporated. The effect of latent heat of fusion and convective and radiative boundary conditions are considered. The effect of laser beam power on the transient temperature profile and the dimensions of the heat affected zone are analysed. From finite element simulation, it is observed that the peak temperature in the fusion zone increases with increased laser beam power. Also, the size of the heat affected zone strongly depends on the power of the laser beam.

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Titel: A 3-D Finite Element Analysis of Transient Temperature Profile of Laser Welded Ti-6Al-4V Alloy
verfasst von: Chandan Kumar
Manas Das
Pankaj Biswas
Verlag: Springer India
Buch: Lasers Based Manufacturing
Print ISBN: 978-81-322-2351-1

Electronic ISBN: 978-81-322-2352-8

Copyright-Jahr: 2015
DOI: https://doi.org/10.1007/978-81-322-2352-8_21

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