<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The development of the nanostructure in commercial pure copper and the strength and ductility after severe plastic deformation (SPD) with the technology of equal channel angular pressing (ECAP) are analysed. Experimental results and analyses showed that both strength and ductility can be increased simultaneously by SPD. The final grain size decreased from the initial 50μm by SPD to 100-300 nm after 10 passes. An increase of the ductility together with an increase of strength caused by SPD are explained by a strong grain refinement and by a dynamic equilibrium of weakening and strengthening, and it is visible on the final static tensile test stress-strain charts.</p></abstract>

The development of the nanostructure in commercial pure copper and the strength and ductility after severe plastic deformation (SPD) with the technology of equal channel angular pressing (ECAP) are analysed. Experimental results and analyses showed that both strength and ductility can be increased simultaneously by SPD. The final grain size decreased from the initial 50μm by SPD to 100-300 nm after 10 passes. An increase of the ductility together with an increase of strength caused by SPD are explained by a strong grain refinement and by a dynamic equilibrium of weakening and strengthening, and it is visible on the final static tensile test stress-strain charts.

Mechanical Properties of Copper Processed by Equal Channel Angular Pressing

Institute of Materials Research of Slovak Academy of Sciences

Faculty of Materials, Metallurgy and Recycling, Institute of Materials and Quality Engineering

Powder Metallurgy Progress

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Mechanical Properties of Copper Processed by Equal Channel Angular Pressing"}

The development of the nanostructure in commercial pure copper and the strength and ductility after severe plastic deformation (SPD) with the technology of...

Mechanical Properties of Copper Processed by Equal Channel Angular Pressing

Published Online: Mar 01, 2018

Page range: 124 - 129

DOI: https://doi.org/10.1515/pmp-2017-0013

Keywords
ECAP, Cu, nanostructured materials, mechanical properties, microstructural parameters

© 2017 K. Sülleiová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mechanical Properties of Copper Processed by Equal Channel Angular Pressing

Published Online: Mar 01, 2018

Page range: 124 - 129

DOI: https://doi.org/10.1515/pmp-2017-0013

KeywordsECAP, Cu, nanostructured materials, mechanical properties, microstructural parameters

© 2017 K. Sülleiová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
ECAP, Cu, nanostructured materials, mechanical properties, microstructural parameters