caa a22 4500 463222784 CHVBK 20180405153217.0 cr unu---uuuuu 170326e20071001xx s 000 0 eng 10.1007/s10853-007-1666-y doi (NATIONALLICENCE)springer-10.1007/s10853-007-1666-y Microstructure and mechanical properties of friction stir welded copper [Elektronische Daten] [T. Sakthivel, J. Mukhopadhyay] The main objective of this investigation was to apply friction stir welding technique (FSW) for joining of 2mm thick copper sheet. The defect free weld was obtained at a tool rotational and travel speed of 1,000rpm and 30mm/min, respectively. Mechanical and microstructural analysis has been performed to evaluate the characteristics of friction stir welded copper. The microstructure of the weld nugget (WN) consists of fine equiaxed grains. Similarly, the elongated grains in the thermomechanically affected zone (TMAZ) and coarse grains in the heat-affected zone (HAZ) were observed. The hardness values in the WN were higher than the base material. Eventually HAZ shows lowest hardness values because of few coarse grains presence. Friction stir welded copper joints passes 85% weld efficiency as compared to the parent metal. Springer Science+Business Media, LLC, 2007 Sakthivel T. Jawaharlal Nehru Aluminium Research Development and Design Centre, Amravati Road, 440023, Nagpur, India aut Mukhopadhyay J. Jawaharlal Nehru Aluminium Research Development and Design Centre, Amravati Road, 440023, Nagpur, India aut Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/19(2007-10-01), 8126-8129 0022-2461 42:19<8126 2007 42 10853 https://doi.org/10.1007/s10853-007-1666-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10853-007-1666-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Sakthivel T. Jawaharlal Nehru Aluminium Research Development and Design Centre, Amravati Road, 440023, Nagpur, India aut NATIONALLICENCE 700 1- Mukhopadhyay J. Jawaharlal Nehru Aluminium Research Development and Design Centre, Amravati Road, 440023, Nagpur, India aut NATIONALLICENCE 773 0- Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/19(2007-10-01), 8126-8129 0022-2461 42:19<8126 2007 42 10853 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer