Paper Title:
Finite-Element Analysis of the Double Lateral Compression of Clad Tube into a Symmetric Square-Tube
  Abstract

The squaring process to shape a circular tube into a symmetric square clad tube is examined by a three-dimensional incremental elastic-plastic finite-element method based on an updated Lagrangian formulation. The effects of various parameters, such as geometric ratio R/t, strain hardening exponent n, friction coefficient μ, and the length of tube L, on the occurrence of collapse in the squaring process are discussed and interpreted in a theoretical manner. The findings show that geometric ratio is the major factor in the process of squaring circular tubes. When R/t=25, serious collapse is likely to appear. Aiming at circular tubes with geometric ratio R/t=25, this study proposes six analysis configurations for clad tubes to discuss the possibility of clad tubes avoiding collapse. The findings showed that clad tubes could effectively reduce the collapse ratio.

  Info
Periodical
Chapter
Chapter 3: Materials Forming/Machining/Joining
Edited by
Prasad Yarlagadda, Yun-Hae Kim, Zhijiu Ai and Xiaodong Zhang
Pages
332-335
DOI
10.4028/www.scientific.net/AMR.337.332
Citation
T. C. Chen, J. M. Ye, "Finite-Element Analysis of the Double Lateral Compression of Clad Tube into a Symmetric Square-Tube", Advanced Materials Research, Vol. 337, pp. 332-335, 2011
Online since
September 2011
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Price
$32.00
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