Abstract

Abstract In the investigations on plastic forming of Cu, Al and Pb, under conditions of plane state of strain, priority has been given to variants with a change in the loading scheme (modified channel die test). It has been found that a direct consequence of the application of such a procedure is a temporary, considerable decrease of the flow stress and its subsequent increase to a value exceeding that attained in a standard test. The reasons for such a behavior have been analysed.

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