Finite Element Analysis of the Combined Effect of Strain Hardening and Friction in Elementary Processes of Forging

Ana Maria Camacho; Marta María Marín; Lorenzo Sevilla Hurtado; C. Bernal

doi:10.4028/www.scientific.net/AMM.217-219.2159

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Finite Element Analysis of the Combined Effect of...

Finite Element Analysis of the Combined Effect of Strain Hardening and Friction in Elementary Processes of Forging

Abstract:

Forging processes have been studied since years. However, recently these studies are gaining in importance because of the increasing emergence of non conventional forging processes such as LIF processes, in order to improve their efficiency and to fit the production requirements. In this work elementary forging processes are studied under plane strain conditions in order to evaluate the combined effect of strain hardening and friction in forces and contact pressure distributions by a FE analysis. For this purpose, different base to height ratios (b/h) of the workpiece have been considered, with different friction conditions. All cases have been solved for both a rigid perfectly plastic material and a strain hardened one. It is observed that the effect of the strain hardening on the forces and contact pressures is higher when the friction conditions become more extreme. The results do not depend on the base to height ratios when frictionless conditions are assumed.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

2159-2162

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.2159

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Online since:

November 2012

Authors:

Ana Maria Camacho, Marta María Marín, Lorenzo Sevilla Hurtado, C. Bernal

Keywords:

Elementary Forging Processes, Finite Element Method (FEM), Friction, Metal Forming, Strain Hardening

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