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Friction stir welding (FSW) is a suitable method for producing dissimilar joints. This study investigated the electrical and mechanical properties of friction stir welded aluminium-copper joints that were manufactured at a comparatively high welding speed of 500 mm/min. For this purpose, the specimens welded in a butt joint configuration were subjected to metallographic analyses, tensile testing,...
It is clear that usages of high-strength steels for steel bridges are effective to reduce weight of the bridges, and therefore, it may lead to the cost reduction of the bridges. However, adoptions of high-strength steels might result in under-matched joints, and significance of under-matched welded joints made of over 700-MPa class steels on fatigue strength and estimation of a local strain approach...
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