Abstract
This study is made to obtain controllable and improved microstructural properties of a material obtained by stacking copper wires and then combining them with hot diffusion welding. The mechanical performance of the new approach to obtain a copper billet was assessed and accordingly the diffusion welding parameters were optimized. Samples with a dimension of 60×40×5 mm were produced by stacking. Copper wires with different diameters were stacked in the same direction and welded with hot diffusion welding under 69.5-139-208.5 MPa pressures, for 20-60-90 minutes, at 600 °C. Strength of the bonding was tested by bending and microhardness tests. In addition, the diffusion interface was examined by optical microscope and SEM. The interfacial bond strength after welding increased with temperature, pressure and time. Especially, the increase in diffusion time actuated the formation of common grains in the fusion area by decreasing or completely eliminating the interfaces of the wires.
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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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Ömer Barışkan Yasan received his B.S. in Mechanical Engineering from Ercies University, Kayseri, Turkey, in 2010 and Hacettepe Uniersity, Ankara, Turkey, in 2013. He is currently working towards the Ph.D. in Mechanical Engineering and is a research assistant at Erciyes University. His research interests include 3D printing, self-lubricated materials, metal matrix composites and diffusion welding.
Sedat Özden received his B.S. in Mechanical Engineering from Middle East Technical University, Ankara Turkey in 1985 and MPhil and Ph.D. in Mechanical Engineering from The University of Ulster, Belfast, UK in 1994. 2018. He is currently working in the Mechanical Engineering Department at Erciyes University, Kayseri, Turkey. His research interests include polymeric materials, composite materials, tribology and the design of machine elements.
Fehmi Nair received his B.S. in Mechanical Engineering Department from Fırat University, Elazig, Turkey, in 1992, M.S. and Ph.D. from Erciyes University Mechanical Engineering in 1996 and 2005, respectively. He is an Associate Professor at Kayseri Erciyes University, Mechanical Engineering. His research interests include manufacturing technologies, production and characterization of metal matrix composites, and tribology.
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Yasan, Ö.B., Özden, S. & Nair, F. Investigation of the mechanical properties of the diffusion welded copper wires stacked in the same direction. J Mech Sci Technol 37, 127–137 (2023). https://doi.org/10.1007/s12206-022-1213-4
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DOI: https://doi.org/10.1007/s12206-022-1213-4