Mechanical properties and deformation mechanisms of gradient nanostructured metals and alloys
Inspired by the gradient structures of biological materials, researchers have explored
compositional and structural gradients for about 40 years as an approach to enhance the …
compositional and structural gradients for about 40 years as an approach to enhance the …
Towards strength–ductility synergy through the design of heterogeneous nanostructures in metals
Metals can be processed to reach ultra-high strength, but usually at a drastic loss of ductility.
Here, we review recent advances in overcoming this tradeoff, by purposely deploying …
Here, we review recent advances in overcoming this tradeoff, by purposely deploying …
Nudged elastic band method for molecular reactions using energy-weighted springs combined with eigenvector following
V Ásgeirsson, BO Birgisson, R Bjornsson… - Journal of chemical …, 2021 - ACS Publications
The climbing image nudged elastic band method (CI-NEB) is used to identify reaction
coordinates and to find saddle points representing transition states of reactions. It can make …
coordinates and to find saddle points representing transition states of reactions. It can make …
Dynamic deformation behaviors and mechanisms of CoCrFeNi high-entropy alloys
Due to their unique microstructures and chemical compositions, high-entropy alloys (HEAs)
exhibit remarkable mechanical properties, such as high strength, excellent ductility and …
exhibit remarkable mechanical properties, such as high strength, excellent ductility and …
Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys
High-entropy alloys (HEAs) are an intriguing new class of metallic materials due to their
unique mechanical behavior. Achieving a detailed understanding of structure–property …
unique mechanical behavior. Achieving a detailed understanding of structure–property …
Dislocation mechanisms and 3D twin architectures generate exceptional strength-ductility-toughness combination in CrCoNi medium-entropy alloy
Combinations of high strength and ductility are hard to attain in metals. Exceptions include
materials exhibiting twinning-induced plasticity. To understand how the strength-ductility …
materials exhibiting twinning-induced plasticity. To understand how the strength-ductility …
Stabilizing nanostructures in metals using grain and twin boundary architectures
K Lu - Nature Reviews Materials, 2016 - nature.com
Forming alloys with impurity elements is a routine method for modifying the properties of
metals. An alternative approach involves the incorporation of interfaces into the crystalline …
metals. An alternative approach involves the incorporation of interfaces into the crystalline …
Radiation damage in nanostructured materials
Materials subjected to high dose irradiation by energetic particles often experience severe
damage in the form of drastic increase of defect density, and significant degradation of their …
damage in the form of drastic increase of defect density, and significant degradation of their …
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 …
Strengthening materials by engineering coherent internal boundaries at the nanoscale
K Lu, L Lu, S Suresh - science, 2009 - science.org
Strengthening materials traditionally involves the controlled creation of internal defects and
boundaries so as to obstruct dislocation motion. Such strategies invariably compromise …
boundaries so as to obstruct dislocation motion. Such strategies invariably compromise …