Springback Analysis in Sheet Metal Forming Using Modified Ludwik Stress-Strain Relation | Zendy

Sanjay Kumar Patel | Zendy; Radha Krishna Lal | Zendy; J.P. Dwivedi | Zendy; Virendra Singh | Zendy

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Springback Analysis in Sheet Metal Forming Using Modified Ludwik Stress-Strain Relation

Author(s) -

Sanjay Kumar Patel,

Radha Krishna Lal,

J.P. Dwivedi,

Virendra Singh

Publication year - 2013

Publication title -

isrn mechanical engineering

Language(s) - English

Resource type - Journals

eISSN - 2090-5130

pISSN - 2090-5122

DOI - 10.1155/2013/640958

Subject(s) - poisson's ratio , von mises yield criterion , sheet metal , materials science , plasticity , poisson distribution , structural engineering , deformation (meteorology) , stress–strain curve , composite material , geometry , mathematics , finite element method , engineering , statistics

This paper deals with the springback analysis in sheet metal forming using modified Ludwik stress-strain relation. Using the deformation theory of plasticity, formulation of the problem and spring back ratio is derived using modified Ludwik stress strain relationship with Tresca and von Mises yielding criteraia. The results have been representing the effect of different value of or ratio, different values of Strain hardening index (), Poisson’s ratio (), and thickness on spring back ratio (). The main aim of this paper is to study the effects of the thickness, ratio, and Poisson’s ratio in spring back ratio.

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