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http://dx.doi.org/10.3365/KJMM.2011.49.4.291

Deformation Behavior of 6063 Al Alloy Deformed by Shear-Drawing Method  

Ko, Young Gun (School of Materials Science and Engineering, Yeungnam University)
Lee, Byung Uk (Department of Metallurgy and Materials Engineering, Hanyang University)
Shin, Dong Hyuk (Department of Metallurgy and Materials Engineering, Hanyang University)
Publication Information
Korean Journal of Metals and Materials / v.49, no.4, 2011 , pp. 291-297 More about this Journal
Abstract
This work investigated the microstructure and mechanical properties of 6063 Al alloy fabricated by shear-drawing (SD) technique where shear and drawing strains were combined together within a predetermined die. To find the optimum condition for sound deformation, three different dies having different inner angle and diameter of the exit channel were prepared. After single deformation of the present sample, the sound deformation took place without an abrupt failure of the sample if the inner angle would be greater than $135^{\circ}$ in this study, when the channel diameter of the SD die was reduced from 10 to 9 mm. Microstructural observation showed that the inner angle of $135^{\circ}$ was found to be more effective than that of $150^{\circ}$ in terms of the alignment of each grain to the shear direction imposed by SD method. In addition, the yield strength of the SD-deformed sample was twice higher than that of the initial counterpart while loosing ductility in tension.
Keywords
alloys; drawing; mechanical properties; scanning electron microscopy (SEM);
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