The development of hardness homogeneity in pure aluminum and aluminum alloy disks processed by high-pressure torsion
Processing by high-pressure torsion was conducted on four different materials: high-purity
(99.99%) aluminum, commercial purity (99.5%) aluminum, an Al-1% Mg solid solution alloy …
(99.99%) aluminum, commercial purity (99.5%) aluminum, an Al-1% Mg solid solution alloy …
High-pressure torsion of hafnium
Pure Hf (99.99%) is processed by high-pressure torsion (HPT) under pressures of 4 and
30GPa to form an ultrafine-grained structure with a gain size of∼ 180nm. X-ray diffraction …
30GPa to form an ultrafine-grained structure with a gain size of∼ 180nm. X-ray diffraction …
FEM simulation of large deformation of copper in the quasi-constrain high-pressure-torsion setup
High pressure-torsion (HPT) technique is widely used to introduce severe plastic
deformation in order to obtain ultrafine-grained materials with improved properties or to …
deformation in order to obtain ultrafine-grained materials with improved properties or to …
Microstructures and mechanical properties of HPT processed 6063 Al alloy
6063 Al alloy is subjected to severe plastic deformation through high-pressure torsion (HPT)
using disk samples. The values of the Vickers microhardness and equivalent strain were …
using disk samples. The values of the Vickers microhardness and equivalent strain were …
Role of strain gradient on grain refinement by severe plastic deformation
Y Todaka, M Umemoto, J Yin, Z Liu… - Materials Science and …, 2007 - Elsevier
The role of strain gradient on strengthening and grain refinement into nanometer scale
during severe plastic deformation was studied in iron by using ball milling (BM) and high …
during severe plastic deformation was studied in iron by using ball milling (BM) and high …
Significance of strain reversals in a two-phase alloy processed by high-pressure torsion
Disks of the Zn–22% Al eutectoid alloy were processed in conventional monotonic high-
pressure torsion (m-HPT) and under cyclic conditions where there are periodic reversals in …
pressure torsion (m-HPT) and under cyclic conditions where there are periodic reversals in …
The significance of slippage in processing by high-pressure torsion
Experiments were conducted to measure the extent of slippage occurring when thin disks
are processed by high-pressure torsion. Separate tests were conducted on aluminum …
are processed by high-pressure torsion. Separate tests were conducted on aluminum …
Significance of grain refinement on microstructure and mechanical properties of an Al-3% Mg alloy processed by high-pressure torsion
Significant grain refinement is attractive for improving mechanical properties at both ambient
and elevated temperatures and improvements in the properties of light-weight metals has …
and elevated temperatures and improvements in the properties of light-weight metals has …
Structural impact on the Hall–Petch relationship in an Al–5Mg alloy processed by high-pressure torsion
P Bazarnik, Y Huang, M Lewandowska… - Materials Science and …, 2015 - Elsevier
The evolution of microstructure and microhardness was studied in a commercial 5483 Al–
5Mg alloy processed by high-pressure torsion (HPT) under a pressure of 6.0 GPa up to 10 …
5Mg alloy processed by high-pressure torsion (HPT) under a pressure of 6.0 GPa up to 10 …
High-pressure torsion of aluminum with ultrahigh purity (99.9999%) and occurrence of inverse Hall-Petch relationship
Severe plastic deformation through the high-pressure torsion (HPT) method was applied to
pure aluminum with a wide range of purity levels such as 99%(A1100), 99.5%(A1050) …
pure aluminum with a wide range of purity levels such as 99%(A1100), 99.5%(A1050) …