Structural evolutions of metallic materials processed by severe plastic deformation
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …
high strength, making them attractive for high strength, lightweight and energy efficient …
A review on high-pressure torsion (HPT) from 1935 to 1988
High-pressure torsion (HPT) method currently receives much attention as a severe plastic
deformation (SPD) technique mainly because of the reports of Prof. Ruslan Z. Valiev and his …
deformation (SPD) technique mainly because of the reports of Prof. Ruslan Z. Valiev and his …
Microstructure and strengthening mechanisms in an FCC structured single-phase nanocrystalline Co25Ni25Fe25Al7. 5Cu17. 5 high-entropy alloy
We report on a study of the design, phase formation, microstructure, mechanical behavior
and strengthening mechanisms of a novel single-phase Co 25 Ni 25 Fe 25 Al 7.5 Cu 17.5 …
and strengthening mechanisms of a novel single-phase Co 25 Ni 25 Fe 25 Al 7.5 Cu 17.5 …
Deformation twinning in nanocrystalline materials
Nanocrystalline (nc) materials can be defined as solids with grain sizes in the range of 1–
100 nm. Contrary to coarse-grained metals, which become more difficult to twin with …
100 nm. Contrary to coarse-grained metals, which become more difficult to twin with …
Dislocation exhaustion and ultra-hardening of nanograined metals by phase transformation at grain boundaries
The development of high-strength metals has driven the endeavor of pushing the limit of
grain size (d) reduction according to the Hall-Petch law. But the continuous grain refinement …
grain size (d) reduction according to the Hall-Petch law. But the continuous grain refinement …
Hierarchical grain size and nanotwin gradient microstructure for improved mechanical properties of a non-equiatomic CoCrFeMnNi high-entropy alloy
This study explored a multi-mechanism approach to improving the mechanical properties of
a CoCrFeMnNi high-entropy alloy through non-equiatomic alloy design and processing. The …
a CoCrFeMnNi high-entropy alloy through non-equiatomic alloy design and processing. The …
Flexible, hydrophobic SiC ceramic nanofibers used as high frequency electromagnetic wave absorbers
In this paper, flexible hydrophobic SiC ceramic nanofibers have been successfully fabricated
via electrospinning and subsequent high temperature heat treatment. The synthesized SiC …
via electrospinning and subsequent high temperature heat treatment. The synthesized SiC …
Mechanism of activation of TiFe intermetallics for hydrogen storage by severe plastic deformation using high-pressure torsion
TiFe, a potential candidate for solid-state hydrogen storage, does not absorb hydrogen
without a sophisticated activation process because of severe oxidation. This study shows …
without a sophisticated activation process because of severe oxidation. This study shows …
Thermal stability of ultrafine grains size of pure copper obtained by equal-channel angular pressing
Ultrafine grain of pure copper 99.98% was produced by severe plastic deformation using the
equal-channel angular pressing (ECAP) method. Copper samples were ECAPed from 1 to 8 …
equal-channel angular pressing (ECAP) method. Copper samples were ECAPed from 1 to 8 …
Grain growth and dislocation density evolution in a nanocrystalline Ni–Fe alloy induced by high-pressure torsion
The structural evolution of a nanocrystalline Ni–Fe alloy induced by high-pressure torsion
(HPT) was investigated. HPT-induced grain growth occurred via grain rotation and …
(HPT) was investigated. HPT-induced grain growth occurred via grain rotation and …