Strains and strain rates during friction stir welding

Abstract

Strains experienced by materials during friction stir welding (FSW) are important but scarce in the literature. Here we report the computed strains and strain rates during FSW of AA2524 from a three-dimensional coupled viscoplastic flow and heat transfer model. The strain rates are integrated along a streamline to estimate the accumulated strains experienced by the material. The computed strains and strain rates were in the ranges −10 to 5 and −9 to 9 s−1, respectively.

Publication
Scripta Materialia, 61(863-866)
A. Arora, Z. Zhang, A. De and T. DebRoy, 2009. Strains and strain rates during friction stir welding. Scripta Materialia, 61: 863-866.
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Amit Arora
Assistant Professor of Materials Science and Engineering

Amit Arora is Assistant Professor of Materials Science and Engineering at Indian Institute of Technology Gandhinagar. He leads the Advanced Materials Processing Research Group at IIT Gandhinagar which works in the area of numerical modeling of welding and joining processes, additive manufacturing processes, and friction stir welding and processing including tool wear during FSW, numerical modeling of dissimilar FSW, and mechanical and electrochemical characterization of friction stir surface composites. Recent works have been published in journals such as Metallurgical and Materials Transactions A, Journal of Materials Processing Technology, International Journal of Advanced Manufacturing Technology, Heat and Mass Transfer.

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