Among the severe plastic deformation processing (SPD) of materials, high-pressure torsion
(HPT) is known to induce considerable amounts of plastic strain and crucial grain refinement …

Disks of high-purity aluminum were processed by high-pressure torsion (HPT) at room
temperature under different conditions of imposed pressure and numbers of turns …

Polycrystalline Ni of two purities (99.967%(4N) and 99.5%(2N)) was deformed to an ultra-
high strain of εvM= 100 (εvM, von Mises strain) by high pressure torsion at room …

Severe plastic deformation via equal-channel angular pressing was shown to induce
characteristic ultra-fast diffusion paths in Ni (Divinski et al., 2011). The effect of heat …

A commercial Al-7075 alloy was processed by the severe plastic deformation (SPD)
procedures of equal-channel angular pressing (ECAP) and high-pressure torsion (HPT) and …

Severely plastically deformed (SPD) materials, for example those produced by high
pressure torsion (HPT), are reported to possess outstanding mechanical properties. A typical …

Microstructures of the Ultra-fine grained (UFG) nickel produced through equal channel
angular processing (ECAP), pressed 12 times through the BC route to impart a strain of∼ …

High pressure torsion (HPT) is one of the most promising severe plastic deformation (SPD)
techniques to produce ultrafine-grained (UFG) or nano-grained (NG) materials via …

Commercially pure nickel was processed by equal channel angular pressing (ECAP)
through route Bc for 12 passes to obtain an ultrafine grained (UFG) microstructure and …

Nanocrystalline materials tend to have an inferior fatigue crack-growth behavior, compared
to coarser-grained counterparts, due to the loss of crack-closure effects. Strategies to …