Results 261 to 270 of about 1,206,514 (314)

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

Advanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

Near‐Field Electrospinning Micro‐Printhead Achieves Precise Control of Nanofiber Deposition

Advanced Engineering Materials, EarlyView.
A micro‐printhead for near‐field electrospinning enables reproducible deposition of polymer nanofibers with diameters below 50 nm. Systematic parameter studies uncover the mechanisms linking operating conditions to fiber morphology, paving the way for precise and low‐cost nanoscale 3D manufacturing.As a high‐resolution, cost‐effective, and rapid ...
Han Xu, Dario Mager, Jan G. Korvink
wiley   +1 more source

Combined Process‐ and Phase‐Field‐Simulation to Predict the Microstructure of Single‐Crystal Ni‐Based Superalloys

Advanced Engineering Materials, EarlyView.
A combined finite element and phase‐field approach predicts the evolution of microstructure during the directional solidification of Ni‐based superalloys. The model reveals how withdrawal rate, temperature gradient, and wall thickness control the dendrite spacing, highlighting the strong effect of surface regions in thin sections where dendrite growth ...
Sean Böhm, André B. Baldissera, Rainer Völkl, Uwe Glatzel   +3 more
wiley   +1 more source

Powder Optimization Strategies for Binder Jetting Printing of BaTiO3 and Ba0,6Sr0,4TiO3 Ceramics

Advanced Engineering Materials, EarlyView.
Powder optimization is investigated to enable binder jetting of BaTiO3 and Ba0.6Sr0.4TiO3 ferroelectric ceramics. The antagonistic relationship between flowability and binder compatibility is addressed through binder impregnation of granulated powders and fumed silica addition to fine powders.
Fanny Pruvost, Lionel Presmanes, Soléna Colin, Marie Vidal, Sophie Guillemet‐Fritsch   +4 more
wiley   +1 more source

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Temperature and Vascular Stability in Hemodialysis

Nephron, 2008
The temperature of the blood returning from an extracorporeal circuit may influence the vascular stability. Mean arterial blood pressure, heart rate and the temperature in the in-and outlet lines for blood and dialysis fluid of the dialyzer (TB_a, TB_v, TD_i and TD_o
T, Lindholm, H, Thysell, Y, Yamamoto, B, Forsberg, C A, Gullberg   +4 more
openaire   +2 more sources

Temperature stability of nanocellulose dispersions

Carbohydrate Polymers, 2017
Cellulose nanofibrils (CNF) have potential as rheology modifiers of water based fluids, e.g. drilling fluids for use in oil wells or as additives in injection water for enhanced oil recovery (EOR). The temperature in oil wells can be high (>100°C), and the retention time long; days for drilling fluids and months for EOR fluids.
Ellinor B. Heggset, Gary Chinga-Carrasco, Kristin Syverud   +2 more
openaire   +2 more sources

Stability of Procalcitonin at Room Temperature

Clinical Laboratory, 2014
The aim was to assess procalcitonin (PCT) stability after two days of storage at room temperature.Samples were collected from febrile children aged 7 to 92 days and were rapidly frozen after sampling. PCT levels were measured twice after thawing: immediately (named y) and 48 hours later after storage at room temperature (named x).
Karen, Milcent, Claire, Poulalhon, Christelle Vauloup, Fellous, François, Petit, Jean, Bouyer, Vincent, Gajdos   +5 more
openaire   +2 more sources

Temperature Chamber with Precise Temperature Stability

2018 Conference on Precision Electromagnetic Measurements (CPEM 2018), 2018
This paper describes a system to maintain stable air temperature in a temperature chamber. The aim of the system is to stabilize temperature of resistance standards during measurements. Particular attention was paid to provide precise air temperature stabilization.
Bartlomiej Kocjan, Krystian Krawczyk, Lidia Snopek, Rober Jasinski, Edyta Dudek   +4 more
openaire   +1 more source