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Parametric Optimization of Nd:YAG Laser Microgrooving of Alumina Ceramic Using Integrated RSM-PSO Approach Read chapter Read first chapter

2020 | OriginalPaper | Chapter

Numerical Simulation of Transient Temperature and Stresses During Friction Stir Welding of AA 7075 T651

Authors : Md. Parwez Alam, A. N. Sinha

Published in: Emerging Trends in Mechanical Engineering

Publisher: Springer Singapore

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Abstract

A three-dimensional finite element model has been developed by using ANSYS APDL to study of transient temperature distribution and von Mises stresses during friction stir welding of AA 7075 T651. A cylindrical tool on the workpiece is created. A pilot node has defined on the tool for governing the rotational and translational speed of the tool. Heat is generated due to frictional contact and plastic deformation of the workpiece. Temperature-dependent material properties and friction coefficient were considered in this model. The cooling effect caused by the free convection in ambient air, backing plate and clamping bar is taken into account. It has been observed that temperature profile below the moving tool is an oval shape. It had also observed that the maximum value of von Mises stress has little variation during welding.

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Metadata
Title
Numerical Simulation of Transient Temperature and Stresses During Friction Stir Welding of AA 7075 T651
Authors
Md. Parwez Alam
A. N. Sinha
Copyright Year
2020
Publisher
Springer Singapore
Book
Emerging Trends in Mechanical Engineering

Print ISBN: 978-981-329-930-6

Electronic ISBN: 978-981-329-931-3

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-981-32-9931-3_50

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