MATEC Web Conf.
Volume 182, 201817th International Conference Diagnostics of Machines and Vehicles
|Number of page(s)||11|
|Section||Methodology and Vibroacoustics|
|Published online||24 August 2018|
Managing the influence of microstructure defects on the strength of EN AW 5754 aluminium alloy welded joints executed with the TIG method
Wojskowe Zakłady Lotnicze (Military Aviation Works) no. 2 S.A. ul. Szubińska 107, 85-915 Bydgoszcz, Poland
2 Air Force Institute of Technology, ul. Księcia Bolesława 6, 01-494, Warszawa 46, Poland
* Corresponding author : firstname.lastname@example.org
The paper concerns the issue of the impact of welding defects on the strength of EN AW 5754 aluminium alloy welded joints, executed with the TIG welding method (tungsten inert gas, i.e., a method of welding with a non-consumable tungsten electrode shielded with inert gases). The article presents examples of operating damage to welded joints and discusses the factors impacting the weld quality. The strength test results of welding samples taken under different process parameters were presented. The impact of welding defects and non-conformities identified with a CAT test on the weld joint impact was analysed. The studies showed a strong relation between the presence of welding defects, welding process parameters and weld strength.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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