Results 271 to 280 of about 11,849,580 (359)

Quantifying Spatio‐Operational Heterogeneity in Electrochemical Devices via Operando Correlative Neutron and X‐Ray Tomography

Advanced Functional Materials, EarlyView.
Heterogeniety in electrochemical systems heavily influences device performance and durability. The study shows unique evidence of spatio‐operational heterogeneity in fuel cells via operando neutron and X‐ray tomography. Large variations in membrane thickness and hydration depend upon location and operating conditions, with implications on membrane ...
Pranay Shrestha, Jacob M. LaManna, Kieran F. Fahy, ChungHyuk Lee, Pascal J. Kim, Jason K. Lee, Elias Baltic, Daniel S. Hussey, David L. Jacobson, Aimy Bazylak   +9 more
wiley   +1 more source

Bio‐Friendly Artificial Muscles Based on Carbon Nanotube Yarns and Eutectogel Derivatives

Advanced Functional Materials, EarlyView.
Solid‐state artificial muscles based on coiled commercial carbon nanotube yarns coated with eutectogel derivatives exhibit unipolar actuation through selective ion intercalation. Combining polyanionic and polycationic gels enables enhanced contractile stroke and high energy density.
Gabriela Ananieva, Cédric Vancaeyzeele, Giao T.M. Nguyen, Daniel Aguilera‐Bulla, Mathieu Pinault, Frédéric Vidal, Cédric Plesse   +6 more
wiley   +1 more source

Ultrahigh Strength with Suppressed Flow Instability at Liquid Helium Temperature via Coherent Nanoprecipitation in a Medium‐Entropy Alloy

Advanced Functional Materials, EarlyView.
It is demonstrated that severe lattice distortion and coherent nanoprecipitates overcome the strength–ductility dilemma and mitigate discontinuous plastic flow (DPF) at 4.2 K. Such microstructural design enhances both thermal and athermal stress components, leading to exceptional mechanical performance.
Min Young Sung, Tae Jin Jang, Sang Yoon Song, Chang‐Gi Lee, Jun Ho Lee, Young‐Kyun Kim, Sang‐Ho Oh, Byeong‐Joo Lee, Alireza Zargaran, Se‐Ho Kim, Young‐Sang Na, Seok Su Sohn   +11 more
wiley   +1 more source

Influence of Cooling Rate on the Hot Ductility of Low Carbon V-N Steel

Jiahua Yang, Zhaozhen Cai, Miaoyong Zhu, X. Chen   +3 more
openalex   +2 more sources

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Cryopreservation: Vitrification and Controlled Rate Cooling.

Methods in molecular biology, 2017
Cryopreservation is the application of low temperatures to preserve the structural and functional integrity of cells and tissues. Conventional cooling protocols allow ice to form and solute concentrations to rise during the cryopreservation process. The damage caused by the rise in solute concentration can be mitigated by the use of compounds known as ...
C. Hunt
semanticscholar   +3 more sources

Is freezer cooling rate equal to sample cooling rate?

Cryobiology, 2018
T. Rittinghaus, B. Glasmacher
semanticscholar   +2 more sources

4D Printed Multifunctional Composites with Cooling‐Rate Mediated Tunable Shape Morphing

Advanced Functional Materials, 2022
Multifunctional composites can accomplish multiple tasks such as shape morphing, sensing, and load bearing using a single structure. Smart materials including liquid crystal elastomers (LCE) and shape memory polymers (SMP) have long been used as the ...
D. J. Roach, Xiaohao Sun, Xirui Peng, Frédéric Demoly, Kun Zhou, H. Qi   +5 more
semanticscholar   +1 more source

Cooling Rates During Flash Cooling

Journal of Applied Crystallography, 1998
Flash cooling of macromolecular crystals was investigated by measurement of the cooling rates achieved by different cryoprotectant solutions (glycerol, sucrose and polyethylene glycol) with different sample volumes (0.2–0.8 mm3) and by different cooling agents (cold nitrogen or helium gas, liquid nitrogen and liquid propane).
T. Y. Teng, K. Moffat
openaire   +1 more source

Physical Properties of Monoglycerides Oleogels Modified by Concentration, Cooling Rate, and High-Intensity Ultrasound.

Journal of Food Science, 2019
The aim of this study was to investigate the effects of monoglycerides (MG) concentration (3, 4.5, and 6 wt%), cooling rate (0.1 and 10 °C/min), and high-intensity ultrasound (HIU) application on physical properties of oleogels from MG and high oleic ...
A. Giacomozzi, C. Palla, M. Carrín, S. Martini   +3 more
semanticscholar   +1 more source

Statically controlled cooling rate device

Cryobiology, 1979
Abstract A new statically controlled cooling rate device consists of metal plates and insulators which can be modified so as to control heat flow and achieve a considerable range of specific cooling rates. It can thus be adapted to give the desired cooling rates for the cryopreservation of various biological materials.
J H, Pert, G, Dayian
openaire   +2 more sources