Observations of Texture in Large Scale HPT-Processed Cu

Nariman A. Enikeev; Erhard Schafler; Michael Josef Zehetbauer; Igor V. Alexandrov; Ruslan Valiev

doi:10.4028/www.scientific.net/MSF.584-586.367

Paper Titles

Study of Texture Evolution of Pure Magnesium during ECAE Using EBSD
p.343

UFG Microstructure Processing by ECAP from Double Electron-Beam Melted Rare Metal
p.349

Lattice Defects in Hydrogenated and HPT Processed Pd
p.355

Metals Microstructure Improving under Hard Cyclic Viscoplastic Deformation
p.361

Observations of Texture in Large Scale HPT-Processed Cu
p.367

Effect of Texture and Microstructure on Ductility of a Mg-Al-Ca Alloy Processed by Equal Channel Angular Pressing
p.375

Grain Boundary Radiotracer Diffusion of Ni in Ultra-Fine Grained Cu and Cu - 1wt.% Pb Alloy Produced by Equal Channel Angular Pressing
p.380

Influence of a Slip Plane Orientation with Respect to the Shear Plane of ECAP on Microstructure of Copper Single Crystal Subject to One Pressing at Room Temperature
p.387

Grain Refinement of Pure Copper by ECAP
p.393

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Observations of Texture in Large Scale HPT-Processed Cu

Abstract:

Bulk nanostructured Cu samples with 20 mm in diameter and 1 mm in height were processed by HPT at a pressure of 6 GPa by 10 rotations. Measurements of texture by means of state-of-the-art XRD technique have been achieved in directions parallel and normal to the torsion axis. Local texture measurements were performed by a spot size of 500 -m in steps of 3.5 mm in order to examine the homogeneity of deformation. The texture data were resolved to shear plane and analyzed in terms of ideal shear orientations. At both inner and outer areas of the disc plane typical shear textures are observed. However, the intensity of components of textures at inner areas is higher than that of outer one. These results can be interpreted in terms of dynamic lattice relaxations rather than by heterogeneities in deformation.