Results 71 to 80 of about 6,728 (205)

Evaluation of the performance of ChatGPT‐4 and ChatGPT‐4o as a learning tool in endodontics

open access: yesInternational Endodontic Journal, EarlyView.
Abstract Aims The aim of this study was to evaluate the accuracy and consistency of responses given by two different versions of Chat Generative Pre‐trained Transformer (ChatGPT), ChatGPT‐4, and ChatGPT‐4o, to multiple‐choice questions prepared from undergraduate endodontic education topics at different times of the day and on different days ...
Esra Arılı Öztürk   +2 more
wiley   +1 more source

Engineered Cellulose: A Multifunctional Platform for Next‐Generation Sustainable Environmental Technologies

open access: yesEcoMat, Volume 8, Issue 4, April 2026.
Engineered cellulose—enabled by functionalization, hybridization, and nano‐engineering—emerges as a versatile platform driving next‐generation solutions in water purification, CO2 capture, air filtration, soil remediation, energy storage, and sustainable packaging. ABSTRACT Engineered cellulose is redefining the frontier of sustainable materials in the
Amir Hossein Behroozi   +1 more
wiley   +1 more source

Effect of Process Parameters on Superelasticity of LPBF Ni-Rich Ni51.3Ti48.7 Shape Memory Alloy

open access: yesMetals
Laser powder bed fusion (LPBF) presents both opportunities and challenges with regard to the customisation of NiTi alloy properties. This paper presents a systematic study of the influence of process parameters on the superelasticity of LPBF Ni-rich Ni51.
Zheng Xiang   +5 more
doaj   +1 more source

Influence of Fluoride and Stress on the Electrochemical Properties of Nickel-Titanium Coils [PDF]

open access: yes, 2015
The aim of this study was to examine the effects of fluoride and stress on the electrochemical properties of nickel-titanium coils. Forty Dentsply GAC NiTi coils were divided into four groups of ten and individually tested.
Barnes, Ashley
core   +1 more source

Malleostapedotomy in Patients With Stapes Fixation: A Systematic Review

open access: yesThe Laryngoscope, Volume 136, Issue 4, Page 1601-1613, April 2026.
This systematic review analyses the current evidence on malleostapedotomy as a primary or revision procedure in patients with stapes fixation. Twenty‐five studies comprising 632 operated ears were included. Malleostapedotomy proved to be a safe and effective alternative to incus‐anchoring stapedoplasty, with favorable hearing outcomes and a low ...
Matteo Alicandri‐Ciufelli   +4 more
wiley   +1 more source

Exceptional superelasticity via heterogeneity-driven texture optimization in equiaxed CuAlMn alloys

open access: yesMaterials Futures
Achieving high superelasticity in polycrystalline shape memory alloys is fundamentally limited by strain incompatibilities arising from grain orientation.
Xinghao Li   +5 more
doaj   +1 more source

Shape Memory Alloys for Self-Centering Seismic Applications: A Review on Recent Advancements

open access: yesMachines
Shape memory alloys (SMAs) have emerged as promising materials for self-centering seismic applications due to their unique properties of superelasticity and shape memory effect. This review article examines recent advancements in the use of SMAs for self-
Girolamo Costanza   +3 more
doaj   +1 more source

Creep and creep recovery under stress-controlled subloop loading in TiNi shape memory alloy

open access: yesArchives of Mechanics, 2013
If a shape memory alloy (SMA) is subjected to the subloop loading under the stress-controlled condition, creep and creep recovery can appear based on the martensitic transformation.
K. Takeda   +3 more
doaj   +1 more source

Differential Scanning Calorimetric (DSC) Study of New and Sterilized Nickel-Titanium Rotary Endodontic Instruments [PDF]

open access: yes, 2015
Introduction: Nickel-Titanium (NiTi) files have become popular in endodontic procedures compared to traditional stainless steel hand files owing to their increased flexibility which is especially advantageous in curved canals. Due to the associated costs,
Dyriw, Michael
core   +1 more source

Effect of Worm‐Like Amorphous Phase on Corrosion Resistance and Antibacterial Properties of NiTiCu Alloy

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT By adding CuO, the worm‐like amorphous phase and atomic clusters were simultaneously introduced, enabling the (Ni40Ti40Cu20)99.9O0.1 alloy micron columns to exhibit a uniform flow strain of over 40% and a strength of over 2.5 GPa during compression.
Huwen Ma   +13 more
wiley   +1 more source

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