Please use this identifier to cite or link to this item: http://earchive.tpu.ru/handle/11683/35759
Title: The effect of friction stir welding tool wear on the weld quality of aluminum alloy AMg5M
Authors: Tarasov, Sergei Yulievich
Rubtsov, Valery Evgenjevich
Kolubaev, Evgeny Aleksandrovich
Keywords: wear; friction; трение; сварочные инструменты; сварка; сплавы алюминия; ротационная сварка; диффузия; износ; механические напряжения; температура; интерметаллические соединения
Issue Date: 2014
Publisher: AIP Publishing
Citation: Tarasov S. Yu. The effect of friction stir welding tool wear on the weld quality of 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. 635-638].
Abstract: Friction stir welding (FSW) tool wear has been studied from the standpoint of tribological layer generation and interaction of this layer with the tool’s metal. It was shown that during FSW on aluminum alloy the latter adheres to the tool’s working surface and then iron/aluminum reaction diffusion is initiated under the conditions of high mechanical stress and temperature. Since diffusion along the former austenite grain boundaries is much faster than volume diffusion, an intermetallic compound is formed inside the tool’s metal thus causing embrittlement and pulling out the tool’s metal fragments.
URI: http://earchive.tpu.ru/handle/11683/35759
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