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Materials 2016, 9(3), 122; doi:10.3390/ma9030122

Effect of Friction Stir Process Parameters on the Mechanical and Thermal Behavior of 5754-H111 Aluminum Plates

Politecnico di Bari, Department of Mechanics Mathematics and Management (DMMM), Viale Japigia 182, Bari 70126, Italy
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Academic Editor: Daolun Chen
Received: 19 January 2016 / Revised: 10 February 2016 / Accepted: 15 February 2016 / Published: 23 February 2016
(This article belongs to the Section Manufacturing Processes and Systems)
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Abstract

A study of the Friction Stir Welding (FSW) process was carried out in order to evaluate the influence of process parameters on the mechanical properties of aluminum plates (AA5754-H111). The process was monitored during each test by means of infrared cameras in order to correlate temperature information with eventual changes of the mechanical properties of joints. In particular, two process parameters were considered for tests: the welding tool rotation speed and the welding tool traverse speed. The quality of joints was evaluated by means of destructive and non-destructive tests. In this regard, the presence of defects and the ultimate tensile strength (UTS) were investigated for each combination of the process parameters. A statistical analysis was carried out to assess the correlation between the thermal behavior of joints and the process parameters, also proving the capability of Infrared Thermography for on-line monitoring of the quality of joints. View Full-Text
Keywords: friction stir welding (FSW); aluminum alloy (AA); ultimate tensile strength (UTS); infrared thermography (IRT) friction stir welding (FSW); aluminum alloy (AA); ultimate tensile strength (UTS); infrared thermography (IRT)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Serio, L.M.; Palumbo, D.; De Filippis, L.A.C.; Galietti, U.; Ludovico, A.D. Effect of Friction Stir Process Parameters on the Mechanical and Thermal Behavior of 5754-H111 Aluminum Plates. Materials 2016, 9, 122.

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