Oscillatory Residual Stresses in Steady Angular Channel Extrusion
Arunava Ray,
Pritam Chakraborty,
Anindya Chatterjee
Abstract:Angular channel extrusion has evolved as processes that can induce significant strengthening of the formed product through grain refinement. However, significant residual stresses are developed in the extruded product whose quantification is necessary for accurate process design and subsequent heat treatment. Experimental evaluation of residual stress provides the through thickness (normal) variation at chosen sampling points on the formed product and may provide inaccurate estimates if variations along the ex… Show more
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