Enhancement of corrosion resistance behaviour of Frictional Stir Spot Welding of Copper
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Publication Details
Author list: Kazeem O, Sanusi, Akinlabi ET, Muzenda E, Akinlabi SA
Publisher: Elsevier
Place: AMSTERDAM
Publication year: 2015
Journal: Materials Today: Proceedings (2214-7853)
Journal acronym: MATER TODAY-PROC
Volume number: 2
Issue number: 4-5
Start page: 1157
End page: 1165
Number of pages: 9
ISSN: 2214-7853
eISSN: 2214-7853
Languages: English-Great Britain (EN-GB)
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Abstract
In this study, the Friction Stir Spot welding (FSSW) technique was applied to join pure commercially copper for industrial uses. The welds were produced by varying the rotational speeds of 1200, 1600 and 2000 rpm. Microstructure evolution and the corrosion properties of the welds produced were studied. The degree of corrosion was determined by scanning electron microscopy technique (SEM). Energy dispersive X-ray spectroscopy (EDS) was used to analyse the debris observed in the specimens. It was found that the corrosion resistance of FSSW was enhanced and the microstructure modification and inclusion can changed the corrosion behaviour of the pure commercially copper in a 3.5% NaCl solution. (C) 2014 The Authors. Elsevier Ltd. All rights reserved.
Keywords
copper alloy, corrosion, friction stir spot welding, Microstructure, tribologicalbehaviour
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