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Title: Radiographic detection of defects in friction stir welding on aluminum alloy AMg5M
Authors: Tarasov, Sergei Yulievich
Rubtsov, Valery Evgenjevich
Kolubaev, Evgeny Aleksandrovich
Keywords: рентгенография; radiology; friction; рентгенографическое исследование; дефекты; сварка трением; сплавы алюминия
Issue Date: 2014
Publisher: AIP Publishing
Citation: Tarasov S. Yu. Radiographic detection of defects in friction stir welding on aluminum alloy AMg5M / S. Yu. Tarasov, V. E. Rubtsov, Е. А. Kolubaev // AIP Conference Proceedings. — 2014. — Vol. 1623 : International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russia, 3–5 September 2014 : [proceedings]. — [P. 631-634].
Abstract: In order to reveal weld defects specific to friction stir welding we undertook radiographic inspection of AMg5M aluminum alloy welded joints. Weld defects in the form of voids have been revealed in the weld obtained under the non-optimal rotation and feed rate. Both shape and size of these defects have been confirmed by examining metallographically successive sections prepared in the weld plane as well as in the plane transversal to the tool feed direction. Linear defects have been also found in the sections that are not seen in the radiographic images. Both the preferable localization and origination of the defects have been analyzed.
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