Paper Title:
Study on Metal Flow in Continuous Extrusion Cladding of Cable Aluminum Sheath Using FEM Analysis
  Abstract

This paper analyzed continuous extrusion cladding process through 3D FE simulation in the non-steady state. The model is used to predict the metal flow characteristics during the entire process. According to the metal flow characteristic, continuous extrusion cladding process is classified into feeding, welding, filling and forming stages. The modeling results predict temperature, stress, strain rate and velocity fields. When the metal flows through the die bearing, the velocity distribution is non-uniformity, because of the non-symmetrical structure and the difference in temperature of the upper and bottom portion of the die cavity. And FEM results also show that the velocity distribution is sensitive to the change in mandrel radius. Increasing the mandrel radius can relatively improve the metal flow velocity in the upper cavity and decrease the velocity in the bottom cavity. There is an optimum mandrel radius value that makes metal flow most uniform. These also provide the theoretical basis for optimizing the technology and the die design.

  Info
Periodical
Advanced Materials Research (Volumes 189-193)
Edited by
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages
1934-1940
DOI
10.4028/www.scientific.net/AMR.189-193.1934
Citation
Y. Zhao, B. Y. Song, J. Y. Pei, X. B. Yun, "Study on Metal Flow in Continuous Extrusion Cladding of Cable Aluminum Sheath Using FEM Analysis", Advanced Materials Research, Vols. 189-193, pp. 1934-1940, 2011
Online since
February 2011
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$32.00
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