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Thin-Walled Tube Extension by Rigid Curved Punch

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DOI: 10.4236/eng.2011.35052    4,376 Downloads   7,646 Views   Citations
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ABSTRACT

Computer model is developed for non-steady and steady-state process of thin-walled tube extension by the rigid punch with curved profile. Rigid-plastic membrane shell theory with quadratic yield criterion is used. Tube material normal anisotropy, work hardening, wall thickness variation and friction effects are considered. FORTRAN programs of the model predict distributions of the thickness, meridian stress, yield stress and pressure along curved generator of deformed tube and the tube extension force versus punch displacement relation. Model predictions are correlated with experimental data.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

R. Nepershin, "Thin-Walled Tube Extension by Rigid Curved Punch," Engineering, Vol. 3 No. 5, 2011, pp. 452-460. doi: 10.4236/eng.2011.35052.

References

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