Ultra-strength materials

T Zhu, J Li - Progress in Materials Science, 2010 - Elsevier
Recent experiments on nanostructured materials, such as nanoparticles, nanowires,
nanotubes, nanopillars, thin films, and nanocrystals have revealed a host of “ultra-strength” …

Porous flexible frameworks: origins of flexibility and applications

S Seth, S Jhulki - Materials Horizons, 2021 - pubs.rsc.org
Porous crystalline frameworks including zeolites, metal–organic frameworks (MOFs),
covalent organic frameworks (COFs) and hydrogen-bonded organic frameworks (HOFs) …

Shape-memory nanopores induced in coordination frameworks by crystal downsizing

Y Sakata, S Furukawa, M Kondo, K Hirai, N Horike… - Science, 2013 - science.org
Flexible porous coordination polymers change their structure in response to molecular
incorporation but recover their original configuration after the guest has been removed. We …

[HTML][HTML] Shape memory materials

WM Huang, Z Ding, CC Wang, J Wei, Y Zhao… - Materials today, 2010 - Elsevier
After being severely and quasi-plastically distorted, shape memory materials (SMMs) are
able to recover their original shape at the presence of the right stimulus. In recent years we …

Development and application of a Ni-Ti interatomic potential with high predictive accuracy of the martensitic phase transition

WS Ko, B Grabowski, J Neugebauer - Physical Review B, 2015 - APS
Phase transitions in nickel-titanium shape-memory alloys are investigated by means of
atomistic simulations. A second nearest-neighbor modified embedded-atom method …

[HTML][HTML] Atomic scale processes of phase transformations in nanocrystalline NiTi shape-memory alloys

WS Ko, SB Maisel, B Grabowski, JB Jeon… - Acta Materialia, 2017 - Elsevier
Molecular dynamics simulations are performed to investigate temperature-and stress-
induced phase transformations in nanocrystalline nickel-titanium shape-memory alloys. Our …

Stress-induced nanoscale phase transition in superelastic NiTi by in situ X-ray diffraction

A Ahadi, Q Sun - Acta Materialia, 2015 - Elsevier
In situ X-ray diffraction during loading and unloading is used to investigate the effects of
grain size (GS) on the stress-induced nanoscale phase transition (PT) mechanism in …

Effects of grain size on the rate-dependent thermomechanical responses of nanostructured superelastic NiTi

A Ahadi, Q Sun - Acta Materialia, 2014 - Elsevier
We investigated the effects of grain size on the rate-dependent thermomechanical
responses of polycrystalline superelastic NiTi (with an average grain size from 10 to 90 nm) …

Phase field study on the microscopic mechanism of grain size dependent cyclic degradation of super-elasticity and shape memory effect in nano-polycrystalline NiTi …

B Xu, C Yu, G Kang - International Journal of Plasticity, 2021 - Elsevier
A non-isothermal and crystal plasticity based phase field model was established by
incorporating various inelastic deformation mechanisms, ie, martensite transformation …

Effects of grain size on tensile fatigue life of nanostructured NiTi shape memory alloy

H Yin, Y He, Z Moumni, Q Sun - International Journal of Fatigue, 2016 - Elsevier
The effects of grain size (GS) on tensile fatigue life of nanostructured NiTi superelastic shape
memory alloys (SMAs) with GS= 10 nm, 42 nm and 80 nm are investigated. Macroscopic …