Effects of Electric Pulse Modification on As-Cast Texture of Pure Copper

Abstract:

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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 et al., "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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$35.00

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