Springback analysis of L-sectioned bar of linear work-hardening materials under torsional loading

Radha Krishna Lal, J.P. Dwivedi, V.P. Singh, Vikas Kumar Choubey and S.K. Srivastava

International Journal of Energy Technology and Policy, 2017, vol. 13, issue 1/2, 123-140

Abstract: This paper deals with the torsional springback problems of L-sectioned bars of linear work-hardening materials. Using the deformation theory of plasticity, a numerical scheme based on the finite difference approximation has been proposed. The growth of the elastic-plastic boundary and the resulting stresses while loading, and the torsional springback and the residual stresses after unloading are calculated. The results are verified experimentally with mild steel bars having a L cross-section and the experimental result have been found to agree well with the theoretical results obtained numerically.

Keywords: torsional springback; work hardening; elastic-plastic boundary; L-sectioned bars; torsional loading; deformation theory; plasticity; finite difference method; FDM; residual stresses; mild steel bars. (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:ids:ijetpo:v:13:y:2017:i:1/2:p:123-140

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