Springback analysis of thin rectangular bars of non-linear work-hardening materials under torsional loading |
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| Authors: | J. P. Dwivedi S. K. Shah P. C. Upadhyay N. K. Das Talukder |
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| Affiliation: | Department of Mechanical Engineering, Institute of Technology, Banaras Hindu University, Varanasi 221 005, India |
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| Abstract: | A theoretical analysis of the springback of narrow rectangular strips of non-linear work-hardening material under torsional loading has been carried out. This theoretical analysis is supported by experimental results for rectangular mild steel strips of different thicknesses and lengths. Finally an analytical generalized expression relating angle of twist to twisting moment and residual angle of twist per unit length for rectangular strips under plastic torsion is obtained in non-dimensionalized form. A comparison between the results obtained for bars of non- linear and linear work-hardening materials loaded under torsion is also made. |
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