Effects of Equal-Channel Angular Pressing on the Anisotropy of Ultrafine Copper and Titanium

Alexander Korshunov; Irina Kaganova; Lev Polyakov; Tamara Kravchenko

doi:10.4028/www.scientific.net/MSF.584-586.487

Paper Titles

In Situ TEM Observations of Deformation Processes in Nanocrystalline Pd
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Mechanical Behavior and Stress-Induced Martensitic Transformation in Nanocrystalline Ti_49.4Ni_50.6 Alloy
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Effect of Nanocrystalline Structure and Polygonized Dislocation Substructure on Ti-Ni Martensite Lattice Parameters and Transformation Lattice Strain
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Effect of Processing Temperature on Microstructure Development during ECAP of Al-Mg-Sc Alloy
p.481

Effects of Equal-Channel Angular Pressing on the Anisotropy of Ultrafine Copper and Titanium
p.487

Strain Gradient Hardening and Pressure Induced Phase Transformation of Metals by HPT
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Effect of Pre-Aging on the Microstructure and Strength of Supersaturated AlZnMg Alloys Processed by ECAP
p.501

Nanostructured Shape Memory TiNi Alloy Processed by Severe Electroplastic Deformation
p.507

Texture Gradient in a Single Pass ECAPed Pure Mg by Neutron Radiation
p.513

HomeMaterials Science ForumMaterials Science Forum Vols. 584-586Effects of Equal-Channel Angular Pressing on the...

Effects of Equal-Channel Angular Pressing on the Anisotropy of Ultrafine Copper and Titanium

Abstract:

Annealed commercially pure copper and titanium were processed by equal-channel angular pressing (ECAP) using routes BC and C. Pressed samples had a square section with a side length of 8 mm. Anisotropy was analyzed based on the conventional yield strength at compression in three mutually perpendicular directions. The tests were conducted with the as-received materials and after different number of ECAP passes. For copper, which is isotropic in the as-received state, considerable anisotropy manifests itself after the first pass and holds out after the subsequent passes. Anisotropy of as-received titanium holds out at further pressing and makes about 25 percent. Anisotropy after all the passes is similar both for room and elevated temperature. Anisotropy manifests itself during pressing in both routes, BC and C, although its behavior differs for the different routes.