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A numerical and experimental study on tubular channel angular pressing (TCAP) process

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Abstract

Tubular channel angular pressing (TCAP) is a new and novel severe plastic deformation (SPD) technique suitable for fabrication of bulk nanograined tubular materials. There are several parameters in the TCAP process. The present paper investigates the effects of curvature angles, deformation ratio (maximum radius during TCAP/initial radius) and deformation direction on the plastic deformation behavior, strain homogeneity and required loads in TCAP processing. The results showed that higher curvature angles (ψ 1 and ψ 3) leads to better strain homogeneity while have not having any significant effect on the process loads. Also, at the second curvature angle of 90°, the best condition is achieved with good strain homogeneity and lower load requirements rather than lower angles. Investigation of deformation direction showed that inlet deformation direction causes tube thinning at the end of the process, and thus, using the inlet case is not recommended.

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Correspondence to G. Faraji.

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Recommended by Associate Editor Jin weon Kim

Ghader Faraji is a Ph.D candidate in the University of Tehran in the field of Mechanical and Manufacturing Engineering. He was selected as a best researcher Ph.D. candidate of the University of Tehran in 2011. He has published more than 27 ISI journal papers, 3 Iranian journal papers and more than 18 conference papers. He has also 7 Iranian patents. Main research fields are metal forming, severe plastic deformation and producing ultra fine grain materials.

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Faraji, G., Mashhadi, M.M., Dizadji, A.F. et al. A numerical and experimental study on tubular channel angular pressing (TCAP) process. J Mech Sci Technol 26, 3463–3468 (2012). https://doi.org/10.1007/s12206-012-0874-9

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  • DOI: https://doi.org/10.1007/s12206-012-0874-9

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