Results 91 to 100 of about 21,705 (266)

A Proof of Principle for the Phase‐Dependent Electrocatalytic Activity of NiTi Shape Memory Alloys for the Oxygen Evolution Reaction

open access: yesChemElectroChem, Volume 13, Issue 12, 17 June 2026.
We compare martensitic (Ni50Ti50) and austenitic (Ni51.2Ti48.8) NiTi shape memory alloys at room temperature as oxygen evolution reaction (OER) anodes, demonstrating that phase‐dependent microstructure governs electronic conductivity, surface roughness, and wettability.
Vineetha Vinayakumar   +14 more
wiley   +1 more source

Mitigating functional fatigue of 3D-printed nickel-titanium shape memory alloy using hybridizing stabilizers

open access: yesResults in Engineering
Nickel-titanium shape memory alloy (NiTi SMA) is the most used of all shape memory materials. They are often posed with the threat of poor machinability and in-process fatigue during real-time engineering applications.
Ojo Philip Bodunde   +5 more
doaj   +1 more source

Characterization of Nitinol Produced by Laser Powder Bed Fusion for Mechanical Metamaterial Applications

open access: yesAdvanced Engineering Materials, Volume 28, Issue 11, 3 June 2026.
Stabilization of L‐PBF Ni50.7Ti49.3 under low‐cycle loading was investigated. Recoverable strain after cycling was dependent on the amount of applied load. Recovery ratio was 53.4% and 35.1% at intermediate and high load, respectively. The maximum total strain reached 10.3% at a high load of 1200 MPa.
Ondřej Červinek   +5 more
wiley   +1 more source

Graphene and amorphous carbon coatings for nitinol cardiovascular stents by direct chemical vapor deposition: A comparative insight

open access: yesMaterials & Design
Carbon-based coatings are promising for biomedical implants, including vascular stents, but fabrication on metals often requires adhesion interlayers or polymer-assisted transfer, increasing cost and complexity. Here, we report a simple, ambient-pressure
Pei Rou Ng   +13 more
doaj   +1 more source

Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release

open access: yesAdvanced Engineering Materials, Volume 28, Issue 11, 3 June 2026.
Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and material response, these adaptive fasteners outperform commercial systems in strength and noise control, enabling new solutions for robotics, medical ...
Maria I. Vallejo Ciro   +3 more
wiley   +1 more source

Additive Manufacturing of NiTi Shape Memory Alloys for Elastocaloric Applications: A Review

open access: yesAdvanced Functional Materials, Volume 36, Issue 46, 8 June 2026.
Additive manufacturing enables complex NiTi architectures that overcome key limitations in elastocaloric refrigeration, including poor heat transfer and high mechanical work input. This review surveys recent advances in LPBF‐ and DED‐fabricated NiTi shape memory alloys for elastocaloric applications, highlighting process–structure–performance ...
Ignatius Andre Setiawan   +7 more
wiley   +1 more source

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