2012 | OriginalPaper | Chapter
Modeling and Analysis on Deformation Behavior for AA 6061 through Equal Channel Angular Pressing Die
Authors : R. Venkatraman, S. Raghuraman, R. Raj Mohan
Published in: Trends in Intelligent Robotics, Automation, and Manufacturing
Publisher: Springer Berlin Heidelberg
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Equi-Channel Angular Pressing(ECAP) involves development of large simple shear which induces plastic deformation on the sample pressed through a die containing two intersecting channels of identical cross-section. The channel angle in ECAP die is having significant influence to induce the strain on the material during pressing. The strain imposed on the material increases while channel angle decreases. On another hand, the imparted strain increases with increase in hydrostatic pressure. The relation between hydrostatic pressure and channel angle is not communal because hydrostatic pressure decreases with increase in channel angle. Hence, it is clear that channel angle plays an influencing factor for inducing strain on the material and also hydrostatic pressure determination based on channel angle. Therefore a compromise solution has to be selected in determining the channel angle for achieving effective ECAP condition.The influence of channel angle on deformation behavior for AA 6061 Aluminum Alloy using ANSYS V12 was studied. The Analysis is carried out for different channel angles of 90˚, 110˚ and 120˚ for different hydrostatic pressure conditions.