Review on superior strength and enhanced ductility of metallic nanomaterials
Nanostructured metallic materials having nanocrystalline and ultrafine-grained structures
show exceptional mechanical properties, eg superior strength, that are very attractive for …
show exceptional mechanical properties, eg superior strength, that are very attractive for …
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 …
Surface nanocrystallization of 17-4 precipitation-hardening stainless steel subjected to ultrasonic surface rolling process
D Liu, D Liu, X Zhang, C Liu, N Ao - Materials Science and Engineering: A, 2018 - Elsevier
The ultrasonic surface rolling process (USRP) is a new technique employing a high strain
rate and severe plastic deformation (SPD), and treated materials show high homogeneity, a …
rate and severe plastic deformation (SPD), and treated materials show high homogeneity, a …
Dislocation-based plasticity and strengthening mechanisms in sub-20 nm lamellar structures in pearlitic steel wire
The tensile properties and the deformation microstructure of pearlitic steel (0.8 wt% C) have
been quantified in wires drawn to strains in the range from 3.7 to 5.4, having a flow stress in …
been quantified in wires drawn to strains in the range from 3.7 to 5.4, having a flow stress in …
[HTML][HTML] Recent advances in high-pressure science and technology
Recently we are witnessing the boom of high-pressure science and technology from a small
niche field to becoming a major dimension in physical sciences. One of the most important …
niche field to becoming a major dimension in physical sciences. One of the most important …
In Situ Observation of Dislocation Behavior in Nanometer Grains
Using a newly developed nanoscale deformation device, atomic scale and time-resolved
dislocation dynamics have been captured in situ under a transmission electron microscope …
dislocation dynamics have been captured in situ under a transmission electron microscope …
[HTML][HTML] Crack interaction with microstructure
S Kumar, WA Curtin - Materials today, 2007 - Elsevier
Designing microstructure for damage tolerance requires a detailed understanding of how an
advancing crack interacts with the microstructure (and sometimes modifies it locally) at …
advancing crack interacts with the microstructure (and sometimes modifies it locally) at …
Experimental molecular dynamics for individual atomic-scale plastic events in nanoscale crystals
The experimental determination of critical stresses for yielding and plastic flow is of upmost
importance for the understanding of the atomic-scale mechanical behaviors of nanoscale …
importance for the understanding of the atomic-scale mechanical behaviors of nanoscale …
Slip transmission across fcc/bcc interfaces with varying interface shear strengths
Interfaces with relatively low shear strengths can be strong barriers to slip transmission
because of core spreading of the dislocation within the interface. Using atomistic modeling …
because of core spreading of the dislocation within the interface. Using atomistic modeling …
Dislocation nucleation mechanisms from fcc/bcc incoherent interfaces
Using atomistic simulations, we study the nucleation and emission of dislocations from face-
centered cubic/body-centered cubic (fcc/bcc) incoherent interfaces in which interface …
centered cubic/body-centered cubic (fcc/bcc) incoherent interfaces in which interface …