Multi-objective Optimization of Die Geometry in Ingot Forging | Zendy

P. L. Christiansen | Zendy; P.A.F. Martins | Zendy; Niels Bay | Zendy; Jesper Henri Hattel | Zendy

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Multi-objective Optimization of Die Geometry in Ingot Forging

Author(s) -

P. L. Christiansen,

P.A.F. Martins,

Niels Bay,

Jesper Henri Hattel

Publication year - 2014

Publication title -

procedia engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.32

H-Index - 74

ISSN - 1877-7058

DOI - 10.1016/j.proeng.2014.10.350

Subject(s) - forging , ingot , die (integrated circuit) , finite element method , materials science , soundness , plasticity , structural engineering , porosity , metallurgy , mechanical engineering , composite material , engineering , computer science , nanotechnology , alloy , programming language

The soundness of an ingot after hot forging with different V-shaped lower dies is evaluated using finite element simulations. Two different modelling approaches that make use of uncoupled ductile damage and coupled ductile damage based on porous plasticity are employed. It is shown that the two approaches provide somewhat different results. A simple quantification scheme is suggested for ranking the overall performance of the different geometries of the V-shaped lower dies. Results show that a lower die angle in the range 90o-120o is capable of ensuring the best results

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