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HomeKey Engineering MaterialsKey Engineering Materials Vol. 904Effects of Heat Dissipation from Friction Stir...

Effects of Heat Dissipation from Friction Stir Welding to Microstructures of Semi-Solid Cast 6063 Al Alloy

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Abstract:

In this work, temperature distribution in semi-solid cast 6063 aluminum alloy workpieces during friction stir welding (FSW) was determined by finite element analysis (FEA). The FEA results were validated by comparing them with the measurement results from thermocouples. The maximum temperature of 534.2oC was predicted at the workpiece surface contacted with the tool shoulder. The temperature profiles obtained from FEA were used to explain microstructural changes during FSW. It was observed that relatively high temperature made α-Al grains became elongated and Mg₂Si intermatalics turned into a rod-like morphology with round edges.

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Advanced Materials and Engineering Materials X

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Periodical:

Key Engineering Materials (Volume 904)

Pages:

70-75

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.904.70

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Online since:

November 2021

Authors:

Chaiyoot Meengam, Kittima Sillapasa*, Yotsakorn Pratumwal, Somboon Otarawanna

Keywords:

Finite Element Analysis, Friction Stir Welding, Heat Generation, SSM 6063 Aluminum Alloy

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© 2021 Trans Tech Publications Ltd. All Rights Reserved

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