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Information Journal Paper

Title

ANALYTICAL INVESTIGATION OF RUPTURE PHENOMENA IN SHEET HYDROFORMING PROCESS BY HEMISPHERICAL PUNCH

Pages

  37-43

Abstract

 Rupture and wrinkling are two prevalent phenomena that happen in HYDROFORMING PROCESS. Many efforts have been made to achieve the upper and lower bounds for the pressure related to RUPTURE and wrinkling of sheet, respectively. The aim of this investigation is to improve the upper bound of fluid pressure in HYDROFORMING PROCESS by hemispherical punch. In this article, analytical study of the upper bound of fluid pressure based on new assumption of HILL THEORY is presented. Next, governing equations of the process is derived, and numerical methods are used to solve these equations. In this process, the effect of material and geometric properties on the UPPER BOUND PRESSURE is investigated. The results are compared with experimental and theoretical based on Tresca criterion. The study on the effect of geometry and material shows that increasing the sheet thickness raises the UPPER BOUND PRESSURE. Moreover, the reduction of sheet to punch diameter ratio leads to increase of the UPPER BOUND PRESSURE. On the other hand, decreasing the friction force as well as increasing the anisotropic coefficient both causes the rise of UPPER BOUND PRESSURE. Finally, the increase of work hardening parameter leads to the rise of RUPTURE point.

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  • Cite

    APA: Copy

    NADDAF OSKOUEI, A., ELHAMI, M.R., & KARAMI FATH, I.. (2014). ANALYTICAL INVESTIGATION OF RUPTURE PHENOMENA IN SHEET HYDROFORMING PROCESS BY HEMISPHERICAL PUNCH. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 7(3), 37-43. SID. https://sid.ir/paper/630397/en

    Vancouver: Copy

    NADDAF OSKOUEI A., ELHAMI M.R., KARAMI FATH I.. ANALYTICAL INVESTIGATION OF RUPTURE PHENOMENA IN SHEET HYDROFORMING PROCESS BY HEMISPHERICAL PUNCH. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2014;7(3):37-43. Available from: https://sid.ir/paper/630397/en

    IEEE: Copy

    A. NADDAF OSKOUEI, M.R. ELHAMI, and I. KARAMI FATH, “ANALYTICAL INVESTIGATION OF RUPTURE PHENOMENA IN SHEET HYDROFORMING PROCESS BY HEMISPHERICAL PUNCH,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 7, no. 3, pp. 37–43, 2014, [Online]. Available: https://sid.ir/paper/630397/en

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