Seventy years of Hall-Petch, ninety years of superplasticity and a generalized approach to the effect of grain size on flow stress
The grain size, and therefore the grain boundary density, is known to play a major role in the
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …
Significance of stacking fault energy in bulk nanostructured materials: insights from Cu and its binary alloys as model systems
Bulk nanostructured (NS) materials processed by severe plastic deformation (SPD) have
received considerable attention for several decades. The physical origin of this processing …
received considerable attention for several decades. The physical origin of this processing …
Effect of grain size on strength and strain rate sensitivity in metals
RB Figueiredo, TG Langdon - Journal of Materials Science, 2022 - Springer
The effect of the grain size on the mechanical properties of metallic materials has been a
topic of significant interest for researchers and industry. For many decades, a relationship …
topic of significant interest for researchers and industry. For many decades, a relationship …
Microstructural evolution and mechanical properties of Cu–Al alloys subjected to equal channel angular pressing
Ultrafine-grained (UFG) or nanocrystalline (NC) Cu–Al alloys were prepared using equal-
channel angular pressing (ECAP) to investigate the influence of stacking fault energy (SFE) …
channel angular pressing (ECAP) to investigate the influence of stacking fault energy (SFE) …
Premature failure of an additively manufactured material
Additively manufactured metallic materials exhibit excellent mechanical strength. However,
they often fail prematurely owing to external defects (pores and unmelted particles) that act …
they often fail prematurely owing to external defects (pores and unmelted particles) that act …
A combination of ball milling and high-ratio differential speed rolling for synthesizing carbon nanotube/copper composites
SJ Yoo, SH Han, WJ Kim - Carbon, 2013 - Elsevier
High-ratio differential speed rolling (HRDSR) was used to fabricate carbon nanotube
(CNT)/Cu composites. The copper sheath containing the CNT/Cu composite powders, which …
(CNT)/Cu composites. The copper sheath containing the CNT/Cu composite powders, which …
X-ray line profile analysis study on the evolution of the microstructure in additively manufactured 316L steel during severe plastic deformation
J Gubicza, M Kawasaki, Z Dankházi… - Journal of Materials …, 2024 - Springer
Abstract 316L stainless steel was manufactured by additive manufacturing (AM), and then,
the samples were severely deformed by the high-pressure torsion (HPT) technique. The …
the samples were severely deformed by the high-pressure torsion (HPT) technique. The …
Significance of stacking fault energy on microstructural evolution in Cu and Cu–Al alloys processed by high-pressure torsion
XH An, QY Lin, SD Wu, ZF Zhang… - Philosophical …, 2011 - Taylor & Francis
Disks of pure Cu and several Cu–Al alloys were processed by high-pressure torsion (HPT)
at room temperature through different numbers of turns to systematically investigate the …
at room temperature through different numbers of turns to systematically investigate the …
Principles of self-annealing in silver processed by equal-channel angular pressing: The significance of a very low stacking fault energy
Experiments were conducted to evaluate the long-term microstructural stability of silver after
processing using equal-channel angular pressing (ECAP). The results show that an ultrafine …
processing using equal-channel angular pressing (ECAP). The results show that an ultrafine …
Microstructure and hardness of copper–carbon nanotube composites consolidated by High Pressure Torsion
Blends of Cu powders and 3vol.% carbon nanotubes (CNTs) were consolidated by High
Pressure Torsion (HPT) at room temperature (RT) and 373K. The grain size, the lattice …
Pressure Torsion (HPT) at room temperature (RT) and 373K. The grain size, the lattice …