Results 41 to 50 of about 38,787 (199)

Supply side drivers of digital payment adoption in India

Discover Sustainability
This study examines the drivers of digital payment adoption across 711 Indian districts within the Unified Payments Interface (UPI) ecosystem from 2020 to 2024. Utilising a multi-method empirical approach—including mixed-effects models, first-differences,
Abhinav Motheram, Sharon Buteau
doaj   +1 more source

Effect of Cu and CuP Additions on the Microstructure and Nanoindentation‐Based Fracture Behavior of CoNiAlSi Ferromagnetic Shape Memory Alloys

Advanced Engineering Materials, EarlyView.
Cu and combined Cu–P microalloying refine the microstructure and enhance the nanoindentation‐derived fracture resistance of CoNiAlSi ferromagnetic shape memory alloys without suppressing the martensitic transformation. Comparative SEM, DSC, and nanoindentation results reveal that the CuP‐containing alloy provides the most balanced response, achieving ...
Mehmet Demir
wiley   +1 more source

Shape Memory Actuator: thermomechanical training and surface optimization of shape memory wires embedded in a polymeric matrix [PDF]

, 2011
In the first part of my work I studied the mechanical and thermal behaviour of NiTi wires and strips in order to find the best training cycle to achieve a good compromise between transformation temperatures, recovery forces and phase reversibility ...
Scoponi, Martina
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Unconventional precipitation and martensitic transformation behaviour of Ni-rich NiTi alloy fabricated via laser-directed energy deposition

Virtual and Physical Prototyping, 2023
In this study, we report an unconventional precipitation and martensitic transformation behaviour of directly aged Ni-rich NiTi alloys fabricated via laser-directed energy deposition (LDED).
Jingtao Kang, Ruidi Li, Dan Zheng, Huiting Wu, Minbo Wang, Pengda Niu, Jian Li, Xinyan Liu, Duan Lai, Tiechui Yuan   +9 more
doaj   +1 more source

Unveiling Exsolution‐Induced Giant Electronic and Magnetic Property Changes in Non‐Stoichiometric Titanate Perovskite Thin Films

Advanced Materials, EarlyView.
A giant insulator to metal transition and emergent superparamagnetism are revealed by nanoparticle exsolution in non‐stoichiometric titanate perovskite thin films. By combining transport, synchrotron spectroscopy, and first‐principles calculations, this work reveals how defect reconfiguration and lattice reconstruction fundamentally reshape electronic ...
Sungil Kim, June Ho Lee, Yaolong Xing, Dongchang Kim, Haeseong Jeong, Mongjun Jeong, Manuel Valvidares, Stuart S. P. Parkin, Sang Ho Oh, Donghwa Lee, Hyojin Yoon, Hyeon Han   +11 more
wiley   +1 more source

The processing windows for NiTi alloy manufactured by PBF-EBessing windows for NiTi alloy manufactured by PBF-EB

, 2023
Nickel titanium (NiTi) as one of the most utilized shape memory alloy has drawn significant interest due to its unique characteristics. However, NiTi is also considered a susceptible material to smoke during electron beam powder bed fusion (PBF-EB ...
Zeyu, Lin,, Dadbakhsh, Sasan,
core  

Characterization of a measurement setup for the thermomechanical characterization of curved shape memory alloy actuators

Current Directions in Biomedical Engineering, 2019
The bend and free recovery (BFR) test according to ASTM F2082 is a standard method to determine the transition temperatures of Nitinol shape memory alloys (SMAs).
Suzaly Nuha, Keller Marie Christina, Hügl Silke, Lenarz Thomas, Rau Thomas S., Karsten Elvira   +5 more
doaj   +1 more source

The Degree to which Kindergarten Teachers in Jordan Possess Scientific and Engineering Practices in Light of the Next Generation Science Standards (NGSS)

دراسات: العلوم التربوية, 2022
Objectives: This study aims to identify the degree to which kindergarten teachers in Jordan possess scientific and engineering practices in light of the Next Generation Science Standards (NGSS).
Mohammad Khair N. Nawafleh, Amal Fakhari Jaradat   +1 more
doaj   +1 more source

Soft Skins With Reversible Thickness Morphing: Materials, Mechanisms, and Applications

Advanced Materials, EarlyView.
Evolution of electronic skin (e‐skin) technologies toward adaptive, multifunctional soft skins. Phase I highlights early rigid and discrete sensory interfaces. Phase II shows the transition toward flexible, stretchable, and large‐area e‐skin. Phase III captures the emergence of computational e‐skin.
Oliver Ozioko, Chiamaka Akah, Ravinder Dahiya   +2 more
wiley   +1 more source

Desenvolvimento e aplicação de fases extratoras para técnicas de preparação de amostras [PDF]

, 2009
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Químca.A fragilidade da sílica fundida e a necessidade de suportes robustos para microextração em fase sólida (SPME) têm ...
Budziak, Dilma
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