AN UPPER BOUND SOLUTION OF BACKWARD TUBE EXTRUSION PROCESS THROUGH CURVED PUNCHES
In this paper, an upper bound approach is used to analyze the process of backward tube extrusion through arbitrarily curved punches. Based on the assumptions of proportional angles and proportional distances from the mandrel surface in the deformation zone, two kinematically admissible velocity fie...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
SciCell s.r.o.
2014-03-01
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Series: | Acta Metallurgica Slovaca |
Subjects: | |
Online Access: | https://journals.scicell.org/index.php/AMS/article/view/71 |