Aweldability Study of AlMg0,7Si Aluminum Alloy by TIG, FSW, and LBW Processes

Aweldability Study of AlMg0,7Si Aluminum Alloy by TIG, FSW, and LBW Processes
  IJETT-book-cover           
  
© 2021 by IJETT Journal
Volume-69 Issue-9
Year of Publication : 2021
Authors : Adelino Trindade
DOI :  10.14445/22315381/IJETT-V69I9P214

How to Cite?

Adelino Trindade, "Aweldability Study of AlMg0,7Si Aluminum Alloy by TIG, FSW, and LBW Processes," International Journal of Engineering Trends and Technology, vol. 69, no. 9, pp. 107-115, 2021. Crossref, https://doi.org/10.14445/22315381/IJETT-V69I9P214

Abstract
The increasing use of aluminum alloys in structural and machine constructions is due to the good relationships between their mechanical properties and the processing capacity by various manufacturing processes. In terms of the weldability of these alloys, development continues to be decisive in the selection and optimization of welding processes.
For this research, were compared three aluminum welding processes with origin in different energy sources: - electrical arc, TIG;- laser radiation, LBW;- mechanical energy with friction, FSW. The connections were made in butt joints of AIMg0,7Si-T6 bars, whereas thickness is 3 and 6 mm, which are typical in many welded constructions.
To make a better analysis of the experimental results, it was used a systematic disposition of results either of resistance as well as the hardness in the weld joints. This gives the ability to conclude analyses related to the true behavior of welded connections. Whereas??-?behavior gives you an idea of your endurance performance, the hardness distribution, by mapping, allows you to define the limits of HAZ and microstructural distributions.
The juxtaposition of the values calculated by the Eurocode with those obtained experimentally is a good indication for evaluating what is used in the project.

Keywords
aluminum, Eurocode, hardness, strength, TIG, LBW, and FSW wildings.

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