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Nanoindentation analysis of friction stir welded 6061-T6 Al alloy in as-weld and post weld heat treatment


Citation

Fadaeifard, Firouz and Pakmanesh, Mohamad Reza and Esfahani, Morteza Shamanian and Matori, Khamirul Amin and Chicot, Didier (2019) Nanoindentation analysis of friction stir welded 6061-T6 Al alloy in as-weld and post weld heat treatment. Physics of Metals and Metallography, 120 (5). pp. 483-491. ISSN 0031-918X; ESSN: 1555-6190

Abstract

In this research indentation instrument testing is used as a new method for local characterization to study different zones of friction stir welded AA6061 alloy. For this purpose nanoindentation and microhardness are applied for samples in as-weld and post weld heat treatment conditions. Nugget zone, thermomechanically affected zone, and heat affected zone are examined by using nanoindentor in both conditions. The observations say that an estimation of the truncated indenter tip defect is necessary because of pile-up. Whereas post weld heat treatment (PWHT) can recover elastic modulus and nanohardness as well as hardness in AA6061 weldment.


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Additional Metadata

Item Type: Article
Divisions: Institute of Advanced Technology
DOI Number: https://doi.org/10.1134/S0031918X1905003X
Publisher: Pleiades Publishing
Keywords: Friction stir welding; Aluminum alloy; Indentation; Microstructure
Depositing User: Ms. Nida Hidayati Ghazali
Date Deposited: 31 Jan 2021 14:57
Last Modified: 31 Jan 2021 14:57
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1134/S0031918X1905003X
URI: http://psasir.upm.edu.my/id/eprint/81451
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