Abstract
Equal channel angular pressing (ECAP), is a proven manufacturing technique that produces ultrafine-grained structure (UFG) accompanied by various property enhancements of the material such as coherent interface and high shear bonding. The exceptional feature that separates this process with other joining processes is the advantage of having isotropic microstructural grain distribution along with the joining layer of the two dissimilar metals, with that as a motive the focus was given to the bonding of MgAZ31B and AA6082 through ECAP but the process failed to meet the expected objectives. The reasons for failure were analyzed and recorded that the difference in material ductility caused the bonding failure of the two dissimilar metals. The second part of the article deals with the severe plastic deformation of Al 6061 as the ECAP specimen based on its mechanical properties and applications in industries. Al 6061 samples were processed up to two passes of ECAP in an acute angle die and were characterized. Route B produced maximum strength enhancement compared to Route A. Microstructural investigation was carried out to identify the reason for the difference in the results of both the routes.
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