Numerical Analysis of the Stress/Strain Evolution in Incremental Sheet Forming and Stretch-Bending Processes

G. Centeno; Carpoforo Vallellano; J. Vázquez; F.J. Doblas; A.J. Martínez-Donaire; F.J. García-Lomas

doi:10.4028/www.scientific.net/MSF.713.103

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HomeMaterials Science ForumMaterials Science Forum Vol. 713Numerical Analysis of the Stress/Strain Evolution...

Numerical Analysis of the Stress/Strain Evolution in Incremental Sheet Forming and Stretch-Bending Processes

Abstract:

In this paper, the evolution of plastic strain and hydrostatic pressure evolutions in incremental sheet forming (ISF) processes to postpone fracture of the metal sheet is analyzed. A finite element (FE) model of an incremental forming operation and a conventional stretch-bending operation is performed. Experimental results of stretching tests are used as reference. The local evolution of the straining and the distribution of hydrostatic pressure are studied in detail. Different step downs and friction coefficients are simulated and their results are discussed.

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Periodical:

Materials Science Forum (Volume 713)

Pages:

103-108

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.713.103

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Online since:

February 2012

Authors:

G. Centeno, Carpoforo Vallellano, J. Vázquez, F.J. Doblas, A.J. Martínez-Donaire, F.J. García-Lomas

Keywords:

Finite Element Analysis (FEA), Incremental Sheet Forming (ISF), Stretch-Bending

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