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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Microstructure and Texture Evolution during Equal...

Microstructure and Texture Evolution during Equal Channel Angular Extrusion of Pure Copper: Effect of Strain Rat

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Abstract:

Effect of strain velocity on the refinement of severe plastic deformation structure of ECA pressed pure copper was studied using transmission electron microscope(TEM) and electron back-scattered diffraction (EBSD) analysis. Formation mechanism of unltra-fine grain with high angle boundary was discussed. It was found that exceedingly fast stain rate can significantly increase the fraction of high angle boundary, up to 76%, and make grain refine further, up to 0.23μm.

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Advanced Materials, CEAM 2011

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

472-476

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.472

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Online since:

May 2011

Authors:

Guo Ping Zhang

Keywords:

Dynamic Recovery, Equal Channel Angle Extrusion (ECAE), Pure Copper

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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