Paper Title:
Effects of Preform on Thickness Distribution of Hydroformed Y-Shaped Tube
  Abstract

Hydroforming processes of a Y-shaped stainless steel tube with d/t (ratio of diameter to thickness) of 183 is presented. FEM simulations were carried out for analyzing the stress states and thickness distribution in the workpieces during hydroforming of the Y-shaped tube. A two-step process with preform procedure is presented to improve the stress states in the protrusion and to avoid the severe thinning at the top of the protrusion. Through the two-step hydroforming, the wrinkling and cracking defects were all avoided and sound components were produced.

  Info
Periodical
Advanced Materials Research (Volumes 189-193)
Edited by
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages
2796-2800
DOI
10.4028/www.scientific.net/AMR.189-193.2796
Citation
G. Liu, J. Y. Peng, X. S. Wang, S. Q. Zhu, S. J. Yuan, "Effects of Preform on Thickness Distribution of Hydroformed Y-Shaped Tube", Advanced Materials Research, Vols. 189-193, pp. 2796-2800, 2011
Online since
February 2011
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Price
$32.00
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