Research Article

Study on the Influence of Processing Parameters on Piercing Extrusion Process of Large Diameter Cupronickel Alloy Pipes Using 3D FEM Analysis

Figure 11

Stress field distribution of billet deformed at the piercing speed of (a) 50 mm/s, (b) 80 mm/s, and (c) 100 mm/s.
(a)
(b)
(c)