Optimization of the First-Step Drawing Parameters for Platinum-Clad Nickel Bar Based on FEM Simulation

The first-step drawing process of the platinum-clad nickel composite bar was numerically simulated using DEFORM 3D finite element analysis software. Taguchi method used to study effect parameters (the semi-angle die α, friction coefficient between platinum tube and μ1, rod μ2 outer diameter original D) on effective stress bar. Then, optimal combination (D = 7.55 mm, μ1 0.2, 0.3, α 3°) obtained. Furthermore, results deformation behavior, cladding effectiveness distribution damage optimization schemes were compared analyzed with Numerical Simulations 8, which showed worst result. Meanwhile, experimental in general agreement simulation parameters, indicating that our are plausible. This has certain guidance significance improve quality wires actual production.