Results 71 to 80 of about 438,214 (236)

Molecular dynamics study of phase transformations in NiTi shape memory alloy embedded with precipitates

open access: yesMaterials Research Express, 2021
The present study utilizes molecular dynamics simulations to study the athermal and stress-induced martensitic transformation of B2 to B19′ phase in a Ni-Ti alloy and the effect of precipitates on the phase transformation. The simulations demonstrate the
Jiayi Chen   +2 more
doaj   +1 more source

Recent Advances in Ionizing Radiation as a Nonequilibrium Chemical Field for Catalysis

open access: yesCarbon and Hydrogen, EarlyView.
Ionizing radiation acts as a nonequilibrium chemical field that generates reactive species and structural perturbations. These radiation‐induced effects bridge catalytic material construction, including metal loading, framework evolution, defect engineering, and carbon‐network reorganization, with selective transformations such as oxidation, reduction,
Junhua Kuang   +8 more
wiley   +1 more source

Seismic Performance of Reduced‐Strength Steel MRFs With SMA‐Based Superelastic Friction Dampers: An Experimental Investigation

open access: yesEarthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT Shape memory alloys (SMAs) exhibit excellent self‐centering capability due to their stress‐induced phase transformation, making them highly suitable for applications in resilient infrastructure. This study investigates the seismic performance of reduced‐strength moment‐resisting frames (MRFs) equipped with SMA‐based superelastic friction ...
Faisal Nissar Malik   +5 more
wiley   +1 more source

NiTi alloy produced by cold spray [PDF]

open access: yes, 2023
Tato práce se zabývá slitinou NiTi vyrobenou metodou studené kinetizace. Teoretická část práce popisuje principy, vlastnosti a aplikace metody studené kinetizace a dále slitiny NiTi.
Tomáš Heller
core  

Influence of Machining Parameters on Electro Discharge Machining of NiTi Shape Memory Alloys

open access: yesInternational Journal of Electrochemical Science, 2013
NiTi is an alloy of nickel and titanium with important characteristics such as shape memory, superelasticity, high electrical resistance, high corrosion resistance, long fatigue life, and vibration absorption.
Saeed Daneshmand   +3 more
doaj   +1 more source

Artificial structures for human‐machine interfaces with closed‐loop interaction

open access: yesFlexMat, EarlyView.
Artificial structures bridge sensing and feedback in closed‐loop human‐machine interfaces by providing geometry‐enabled mechanical and functional programmability. This review maps the role of artificial structures in diverse sensing modalities and feedback strategies, and illustrates their integration into closed‐loop interaction systems, highlighting ...
Taiqi Hu   +4 more
wiley   +1 more source

Tribo-Mechanical Behavior Of Cold Rolled And Directed Energy Deposited NiTi Alloy For Space Applications [PDF]

open access: yes, 2023
The manufacturing industry is constantly looking for ways to improve processes and reduce costs while maintaining or enhancing material properties.
Choi, Hyunsuk
core   +1 more source

Biomimetic robots driven by smart materials: Motion forms, stimulation methods and applications

open access: yesResponsive Materials, EarlyView.
Biomimetic robots enhance adaptability by mimicking biological systems, but rigid materials limit performance. Smart materials with stimuli responsiveness and shape adaptability enable more flexible actuation and improved environmental interaction.
Zeyu Yang   +8 more
wiley   +1 more source

Nickel–titanium alloy porous scaffolds based on a dominant cellular structure manufactured by laser powder bed fusion have satisfactory osteogenic efficacy

open access: yesMaterials Today Bio
Nickel–titanium (NiTi) alloy is a widely utilized medical shape memory alloy (SMA) known for its excellent shape memory effect and superelasticity. Here, laser powder bed fusion (LPBF) technology was employed to fabricate a porous NiTi alloy scaffold ...
Jiaming Lin   +12 more
doaj   +1 more source

Advances in research on layered double hydroxides for biomedical applications

open access: yesSmart Molecules, EarlyView.
Layered double hydroxides (LDHs) are pH‐responsive nanomaterials with broad biomedical applications. This review summarizes LDH synthesis methods and compares their advantages. It highlights LDHs' progress in cancer therapy, including chemo‐photothermal, chemo‐immunotherapy, and photodynamic‐immunotherapy combinations and their potential in bone repair.
Xinhui Yang   +13 more
wiley   +1 more source

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