Intermetallic Formation in Friction Welded Aluminum Tocopper with Nickel Interlayer
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 4
Abstract
In this paper, aluminum has been friction welded with copper.Aluminumhas also been friction welded with a nickel interlayer in between. Hardness tests and 3 point bend tests were conducted on the weld zone using different friction welding parameters.It was found that intermetallic phases were formed in the weld zone,but were reduced when welding was done using nickel interlayer. Electron-dispersive spectroscopy confirmed the findings.These phases made the weld brittle. Intermetallicare undesirable hard phases that are formed during welding. Scanning electron microscope (SEM) results show a pale – silver layer of aluminum on broken specimen of copper.
Authors and Affiliations
Ellappan Ravi Kumar
Keywords
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