Repair of aluminum alloys by overlay welding

Kondor, István Péter and Szabó, Norbert (2026) Repair of aluminum alloys by overlay welding. GRADUS, 13 (1). ISSN 2064-8014

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Abstract

Nowadays, aluminum alloys play a dominant role in the automotive industry due to their many favorable properties. A disadvantage of these components is that high-strength metal screw connections cause corrosive chemical processes, which can lead to damage and destruction of the aluminum casting during assembly. If it is not possible to replace the component, for example in the case of high-value vintage vehicles, then it is necessary to manufacture a new component or develop some kind of repair technology. In the case of manufacturing a new component, it is necessary to model the old damaged component and then manufacture it in a machine shop using some kind of cutting process, which is a very expensive method. This article presents the repair of an A360 aluminum alloy generator bracket using argon tungsten arc welding followed by fabrication technology post-processing, which is a cost-effective way to repair such components.

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