On the coupling between martensitic transformation and plasticity in NiTi: Experiments and continuum based modelling

P Šittner, P Sedlák, H Seiner, P Sedmák, J Pilch… - Progress in Materials …, 2018 - Elsevier
Recent macroscopic experimental and theoretical evidence on the stress-strain-temperature
behavior of NiTi beyond the strain recoverability limits (large strain, high stress, high …

Progress in phase field modeling of functional properties and fracture behavior of shape memory alloys

B Xu, C Yu, J Xiong, J Hu, Q Kan, C Wang… - Progress in Materials …, 2024 - Elsevier
Shape memory alloys (SMAs) have been widely employed in many engineering fields due
to their unique functional properties, such as super-elasticity, elastocaloric effect, and shape …

Evolution of martensitic microstructures in nanocrystalline NiTi wires deformed in tension

O Molnárová, O Tyc, L Heller, H Seiner, P Šittner - Acta Materialia, 2021 - Elsevier
An experimental method allowing for reconstruction of martensite variant microstructures
evolving during tensile thermomechanical loading test on nanocrystalline NiTi wire is …

Tool-wear analysis in cryogenic machining of NiTi shape memory alloys: A comparison of tool-wear performance with dry and MQL machining

Y Kaynak, HE Karaca, RD Noebe, IS Jawahir - Wear, 2013 - Elsevier
Extremely high tool-wear rate in machining of NiTi shape memory alloys (SMAs) is one of
the major reasons for limiting the use of conventional machining processes on NiTi. The …

[HTML][HTML] In-situ synchrotron X-ray diffraction texture analysis of tensile deformation of nanocrystalline NiTi wire in martensite state

X Bian, L Heller, L Kadeřávek, P Šittner - Applied Materials Today, 2022 - Elsevier
Tensile deformation of nanocrystalline superelastic NiTi wire in the martensite state at-90° C
until fracture was investigated by in-situ synchrotron X-ray diffraction texture analysis. The …

Recoverability of large strains and deformation twinning in martensite during tensile deformation of NiTi shape memory alloy polycrystals

Y Chen, O Molnárová, O Tyc, L Kadeřávek, L Heller… - Acta Materialia, 2019 - Elsevier
Superelastic NiTi wires were deformed in tension up to gradually increasing total strains at
various temperatures, recoverable strains were evaluated and lattice defects left in the …

Temperature dependent deformation of the B2 austenite phase of a NiTi shape memory alloy

O Benafan, RD Noebe, SA Padula Ii, A Garg… - International Journal of …, 2013 - Elsevier
Temperature dependent deformation of the B2 austenite phase of a polycrystalline Ni 49.9 Ti
50.1 (at.%) shape memory alloy was studied through combined macroscopic and …

Micromechanical quantification of elastic, twinning, and slip strain partitioning exhibited by polycrystalline, monoclinic nickel–titanium during large uniaxial …

AP Stebner, SC Vogel, RD Noebe, TA Sisneros… - Journal of the …, 2013 - Elsevier
We draw upon existing knowledge of twinning and slip mechanics to develop a diffraction
analysis model that allows for empirical quantification of individual deformation mechanisms …

Deformation twinning in martensite affecting functional behavior of NiTi shape memory alloys

P Šittner, O Molnárová, L Kadeřávek, O Tyc, L Heller - Materialia, 2020 - Elsevier
Functional stress-strain–temperature responses of superelastic NiTi wire in purposely
designed thermomechanical tests in tension were evaluated and lattice defects created by …

[HTML][HTML] An investigation on reorientation and textural evolution in a martensitic NiTi rolled sheet using EBSD

JF Xiao, C Cayron, RE Logé - International Journal of Plasticity, 2022 - Elsevier
Variant reorientation is a ubiquitous phenomenon in shape memory alloys and has a great
influence on their texture and mechanical response. In the present study, a martensitic NiTi …