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Design of Numerical Simulations of Linear Friction Welding Processes: Issues and Difficulties

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Abstract:

In this paper, a critical analysis of the technical difficulties and numerical issues in running simulations of linear friction welding processes is carried out. The focus of the paper is the comparison of different modeling strategies of a numerical analysis for the LFW process of Ti-6Al-4V titanium alloy, for which the thermal aspect strongly influences the mechanical behavior due to the phase transformation, taking place over a definite range of temperature. A 3D simulation campaign, conducted using the FEA code DEFORMTM, was considered in order to show advantages and disadvantages of each approach, including the most critic limitations and complexity in a correct simulation design using two deformable objects.

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Periodical:

Key Engineering Materials (Volume 639)

Pages:

451-458

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.639.451

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Online since:

March 2015

Authors:

Antonino Ducato*, Davide Campanella, Gianluca Buffa, Livan Fratini

Keywords:

FEM, Linear Friction Welding, Titanium Alloy

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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