Influence of elastic anisotropy on structural nanoscale textures
We study the influence of elastic anisotropy on nanoscale precursor textures that exist in
some shape-memory alloys and show that tweed occurs in the limit of high elastic anisotropy …
some shape-memory alloys and show that tweed occurs in the limit of high elastic anisotropy …
Size-dependent martensitic transformation path causing atomic-scale twinning of nanocrystalline NiTi shape memory alloys
T Waitz, D Spišák, J Hafner, HP Karnthaler - Europhysics Letters, 2005 - iopscience.iop.org
Nanocrystalline NiTi alloys were processed by devitrification of an amorphous phase to
elucidate the impact of the nanocrystallinity on the thermally induced martensitic phase …
elucidate the impact of the nanocrystallinity on the thermally induced martensitic phase …
Competing accommodation mechanisms of the martensite in nanocrystalline NiTi shape memory alloys
T Waitz, W Pranger, T Antretter, FD Fischer… - Materials Science and …, 2008 - Elsevier
Two competing mechanisms that compensate the transformation strains of the martensite
are observed by transmission electron microscopy studies of nanocrystalline NiTi alloys. A …
are observed by transmission electron microscopy studies of nanocrystalline NiTi alloys. A …
Atomistic study of nanotwins in NiTi shape memory alloys
Atomistic simulations are performed to study the structure and geometrical limit of nanoscale
twins in NiTi shape memory alloys. We analyze compound twins as narrow as∼ 1 nm …
twins in NiTi shape memory alloys. We analyze compound twins as narrow as∼ 1 nm …
Stress hysteresis and temperature dependence of phase transition stress in nanostructured NiTi—effects of grain size
A Ahadi, Q Sun - Applied Physics Letters, 2013 - pubs.aip.org
Stress hysteresis ( H) and temperature dependence of phase transition stress (d σ/d T)
are the two signatures of first-order phase transition in shape memory alloys. We studied the …
are the two signatures of first-order phase transition in shape memory alloys. We studied the …
[HTML][HTML] Atomic scale processes of phase transformations in nanocrystalline NiTi shape-memory alloys
Molecular dynamics simulations are performed to investigate temperature-and stress-
induced phase transformations in nanocrystalline nickel-titanium shape-memory alloys. Our …
induced phase transformations in nanocrystalline nickel-titanium shape-memory alloys. Our …
Size effects on martensitic phase transformations in nanocrystalline NiTi shape memory alloys
T Waitz, T Antretter, FD Fischer… - Materials Science …, 2008 - journals.sagepub.com
Results of a systematic study are presented to review various effects of crystal size on the
martensitic phase transformations in nanocrystalline NiTi shape memory alloys. The …
martensitic phase transformations in nanocrystalline NiTi shape memory alloys. The …
Thermomechanical response of NiTi shape-memory nanoprecipitates in TiV alloys
SB Maisel, WS Ko, JL Zhang, B Grabowski… - Physical Review …, 2017 - APS
We study the properties of NiTi shape-memory nanoparticles coherently embedded in TiV
matrices using three-dimensional atomistic simulations based on the modified embedded …
matrices using three-dimensional atomistic simulations based on the modified embedded …
[HTML][HTML] Grain size-dependent energy partition in phase transition of NiTi shape memory alloys studied by molecular dynamics simulation
K Nie, MP Li, WP Wu, QP Sun - International Journal of Solids and …, 2021 - Elsevier
Nanocrystalline NiTi shape memory alloys show fundamental changes in phase transition
behavior when the grain size is reduced down to nano-scale (grain size< 30 nm). However …
behavior when the grain size is reduced down to nano-scale (grain size< 30 nm). However …
Size independent shape memory behavior of nickel–titanium
BG Clark, DS Gianola, O Kraft… - Advanced Engineering …, 2010 - Wiley Online Library
While shape memory alloys such as NiTi have strong potential as active materials in many
small‐scale applications, much is still unknown about their shape memory and deformation …
small‐scale applications, much is still unknown about their shape memory and deformation …