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Numerical and experimental study on the three-dimensional extrusion of square section from square billet through a polynomial shaped curved die

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Abstract

The geometry of die profile plays a major role in reducing the extrusion pressure and ensuring the smooth flow of material. In general, the extrusion process is mostly affected by billet geometry, die geometry, and interface frictional force at the die billet geometry. In the present investigation, an analysis using three-dimensional upper bound method using fifth-order die profile function has been carried out for extrusion of square sections from square billet. The extrusion pressure and optimum die length have been computed by multivariable optimization technique. The present die shape profile is found to be superior to many other profiles. The results obtained will help in design of optimum die profile and investigation of its performance.

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Authors and Affiliations

  1. Department of Mechanical Engineering, National Institute of Technology, Rourkela, 769008, Orissa, India

    Akshaya Kumar Rout & Kalipada Maity

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  1. Akshaya Kumar Rout
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  2. Kalipada Maity
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Correspondence to Akshaya Kumar Rout.

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Rout, A.K., Maity, K. Numerical and experimental study on the three-dimensional extrusion of square section from square billet through a polynomial shaped curved die. Int J Adv Manuf Technol 54, 495–506 (2011). https://doi.org/10.1007/s00170-010-2954-2

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  • DOI: https://doi.org/10.1007/s00170-010-2954-2

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