Microstructure and Mechanical Properties Resulting from Cold Rolling of Equal Channel Angular Extruded Commercial Purity Copper

A. Krishnaiah; Chakkingal Uday; P. Venugopal

doi:10.4028/www.scientific.net/MSF.503-504.733

Paper Titles

Microstructure, Texture and Property Changes of High Purity Aluminium during Accumulative Roll Bonding and Conventional Rolling
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Severe Plastic Deformation of Commercially Pure Titanium by Rotary-Die Equal Channel Angular Pressing Method
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Fine-Grained Structure Formation in Al- Mg- Sc Alloy during Hot ECAP
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ECC Observations of Nanostructures Formed by Sliding Wear in Copper
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Microstructure and Mechanical Properties Resulting from Cold Rolling of Equal Channel Angular Extruded Commercial Purity Copper
p.733

Metal Flow at Equal Channel Angular Pressing with Backpressure
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Mechanical Spectroscopy of High Pressure Torsion Deformed Fe-Based Alloys and Ti
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Nanocrystalline Formation during Mechanical Attrition of Cobalt
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Microstructural Features and Mechanical Properties of the Ti-6Al-4V ELI Alloy Processed by Severe Plastic Deformation
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Microstructure and Mechanical Properties Resulting from Cold Rolling of Equal Channel Angular Extruded Commercial Purity Copper

Abstract:

Equal channel angular extrusion (ECAE) is a processing method for introducing an ultrafine grain size into a material. In the present study, a two-step severe plastic deformation process was used to produce ultrafine grained copper with significantly enhanced strength. Equal channel angular extrusion was first used to refine the grain size of copper samples. The copper samples were further processed by cold rolling (CR) to a strain of 0.67 (about 50% reduction). This two-step process produced ultrafine grained copper with strengths higher than those of pure copper processed through ECAE only. This paper reports the microstructures and mechanical properties of the copper specimens processed by a combination of room temperature ECAE and CR. The effectiveness of initial processing by ECAE prior to cold rolling is discussed.