Paper Title:
Effects of Electric Pulse Modification on As-Cast Texture of Pure Copper
  Abstract

The modification of liquid metal by electric pulse (EP or EPM) is a novel method for improvement of solidification structure. In this study, the as-cast texture of EP-modified pure copper was investigated by using X-ray Schulz backscattered method. The experimental results show that the as-cast texture of EP-modified pure copper is dissimilar with that of the unmodified. The unmodified mainly exhibits a type of {110}<001> texture, and the maximum value of orientation density is 10.07, in the plane that parallel to the vertical section along the ingot axis, the <110> crystal direction has the most volume fraction of 27.18%; By contrast, the as-cast texture of EP-modified pure copper shows a typical type of {102}<001>, and the maximum value of orientation density is 12.88, at the same time, the corresponding <102> crystal direction changes to be the most volume fraction and its value is 22.82%. These facts indicate that the crystal orientation (texture) of solidification structure could be altered by EPM, and EPM technology would thus influence the following metal formability.

  Info
Periodical
Edited by
Honghua Tan
Pages
1894-1897
DOI
10.4028/www.scientific.net/AMM.29-32.1894
Citation
J. G. Qi, J. Z. Wang, X. J. Liu, S. Dai, "Effects of Electric Pulse Modification on As-Cast Texture of Pure Copper", Applied Mechanics and Materials, Vols. 29-32, pp. 1894-1897, 2010
Online since
August 2010
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