[HTML][HTML] Hydrogen-induced phase with martensitic-like characteristics in Ti-Ni shape memory alloys
H Akamine, A Kalbekov, T Higashizono… - Journal of Alloys and …, 2023 - Elsevier
It has been reported that functional and mechanical properties of Ti-Ni shape memory alloys
could be degraded by hydrogen absorption. Many studies have indicated the formation of a …
could be degraded by hydrogen absorption. Many studies have indicated the formation of a …
V–Ni–Ti multi-phase alloy membranes for hydrogen purification
Hydrogen-selective membranes formed from body centred cubic alloys can exhibit very high
hydrogen permeability, but are prone to brittle failure due to excessive hydrogen absorption …
hydrogen permeability, but are prone to brittle failure due to excessive hydrogen absorption …
Three dimensional modeling and numerical analysis of hydrogen effects on the thermomechanical response of Nickel–Titanium orthodontic applications
This paper deals with effects of the hydrogen presence on the thermo-mechanical behavior
of NiTi shape memory alloys (SMAs), widely considered for manufacturing orthodontic …
of NiTi shape memory alloys (SMAs), widely considered for manufacturing orthodontic …
[HTML][HTML] Hydrogen penetration into the NiTi superelastic alloy investigated in-situ by synchrotron diffraction experiments
Microstructural changes induced by a hydrogen permeation into the NiTi superelastic alloy
were investigated in-situ using the X-ray synchrotron diffraction. A new design of an …
were investigated in-situ using the X-ray synchrotron diffraction. A new design of an …
Ab initio study of point defects in NiTi-based alloys
Changes in temperature or stress state may induce reversible B2↔(R)↔ B19′ martensitic
transformations and associated shape memory effects in close-to-stoichiometric nickel …
transformations and associated shape memory effects in close-to-stoichiometric nickel …
Tensile behaviour of superelastic NiTi alloys charged with hydrogen under applied strain
W Elkhal Letaief, T Hassine… - Materials Science and …, 2017 - journals.sagepub.com
The tensile behaviour of NiTi alloys is investigated after hydrogen charging during the
austenite, half-transformation and martensite phases. The specimens are charged with …
austenite, half-transformation and martensite phases. The specimens are charged with …
A practitioner's perspective of hydrogen in Ni-Ti alloys
T Duerig, O Shelley, D Madamba, L Vien - Shape Memory and …, 2019 - Springer
Nearly all studies of hydrogen in Ni-Ti (Nitinol) report bulk or average hydrogen content,
thereby assuming that hydrogen is homogeneously distributed. Yet hydrogen is invariably …
thereby assuming that hydrogen is homogeneously distributed. Yet hydrogen is invariably …
Revisiting the effects of low-concentration hydrogen in NiTi self-expandable stents
Superelastic NiTi is widely used in self-expandable transcatheter devices such as
cardiovascular stent, neuro thrombectomy retriever and aortic valve scaffold. Hydrogen at a …
cardiovascular stent, neuro thrombectomy retriever and aortic valve scaffold. Hydrogen at a …
Transformation Behaviors and Microstructure Modifications in Hydrogen-Charged Ti–Ni Shape Memory Alloy
The effect of hydrogen charging duration on the transformation behavior, microstructural
evolution, and dynamic microstructural changes associated with thermoelastic martensitic …
evolution, and dynamic microstructural changes associated with thermoelastic martensitic …
Effects of hydrogen charging on the phase transformation of martensitic NiTi shape memory alloy wires
Ti-rich martensitic NiTi shape memory alloy (SMA) wires of 0.5 mm diameter were tested
under hydrogen-charging conditions to reveal the effects on phase transformation …
under hydrogen-charging conditions to reveal the effects on phase transformation …