E3S Web Conf.
Volume 33, 2018High-Rise Construction 2017 (HRC 2017)
|Number of page(s)||10|
|Section||2 Engineering Systems and Building Materials|
|Published online||06 March 2018|
Scanning the welded joints of aluminium alloys using subminiature eddy-current transducers
Altai State University, 656049 Lenina Av., Barnaul, Russia
2 Altai State Agricultural University, 656049 Krasnoarmeyskiy Av., Barnaul, Russia
* Corresponding author: firstname.lastname@example.org
Aluminium has a reputation for ease of use, strength and durability. In addition to its exceptional aesthetic properties, solid aluminium does not burn. As architects, contractors, consultants and real estate owners look to meet stringent safety requirements in the construction and refurbishment of high-rise constructions for both residential and commercial uses, aluminium cladding provides an alternative that is not only safe but that is also durable and attractive. One of the ways to connect elements into a aluminium construction is welding. friction stir welding is one of the most efficient. The authors developed a measuring system based on subminiaturized eddy-current transducers aimed at examining locally the defects of welded joints in aluminium-magnesium alloy plates connected by means of friction stir welding. The authors made a modification of the Delyann filter, which allowed them to increase considerably the signal-noise relations. The dependency of the eddy-current transducer response on defects was provided, i.e. concealed cuts and openings inside the welded joint, at the frequencies of 100-10000 Hz of the exciting winding.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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