Results 51 to 60 of about 414,245 (302)

Micro-extrusion of fine ceramic latticework [PDF]

open access: yes, 2008
PhDMicroextrusion freeforming of ceramic lattices from high solids ceramic pastes is a method for forming complex multi-scale hierarchical porous structures.
Chi, Xiaopeng
core   +2 more sources

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

Synergistically enhances piezoelectricity and resistivity of high-temperature 0.3Na0.5Bi2.5Nb2O9–0.7Bi3TiNbO9 ceramics by (W,Cr) co-doping

open access: yesJournal of Advanced Ceramics
0.3Na0.5Bi2.5Nb2O9–0.7Bi3Ti1−x(W1/3Cr2/3)xNbO9 (0.3NBN–0.7BTN–WCx, x = 0–0.06) high Curie temperature piezoceramics with a bismuth layered structure were prepared by a solid-state reaction method.
Zhipeng Zhang   +5 more
doaj   +1 more source

iSS-PC: Identifying Splicing Sites via Physical-Chemical Properties Using Deep Sparse Auto-Encoder

open access: yesScientific Reports, 2017
Gene splicing is one of the most significant biological processes in eukaryotic gene expression, such as RNA splicing, which can cause a pre-mRNA to produce one or more mature messenger RNAs containing the coded information with multiple biological ...
Zhao-Chun Xu   +3 more
doaj   +1 more source

Cleaning of LTCC, PEN, and PCB Au electrodes towards reliable electrochemical measurements

open access: yesScientific Reports, 2022
Surface cleaning of the working electrode has a key role in improved electrochemical and physicochemical properties of the biosensors. Herein, chemical oxidation in piranha, chemical cleaning in potassium hydroxide-hydrogen peroxide, combined (electro ...
Mahan Hosseinzadeh Fakhr   +7 more
doaj   +1 more source

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

open access: yesAdvanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares   +3 more
wiley   +1 more source

Pilot-scale continuous biogenic silica extraction from rice husk by one-pot alkali hydrothermal treatment and ball milling

open access: yesChemical and Biological Technologies in Agriculture, 2023
Background Rice husk is the most silicon-rich renewable biomass and can be used as a raw material for producing silicon-based materials. With the increasing interest in utilizing rice husk as a renewable resource, the development of a robust silica ...
Ji Yeon Park   +4 more
doaj   +1 more source

Flexural Behavior of 3D‐Printed Porous Bouligand‐Structured Polymers: Influence of Pitch Angle and Porosity

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil   +2 more
wiley   +1 more source

Ceramic Powders for Advanced Ceramics: What are Ideal Ceramic Powders for Advanced Ceramics?

open access: yesTransactions of the Materials Research Society of Japan, 2010
One of the most important factors for advanced ceramic preparation is the nature of powders. This article is a review and overview of powder preparation and properties and explains ideal powders for advanced ceramics. In addition, hydrothermal powders that are close to ideal powders are described along with hydrothermal processing.
Somiya, Shigeyuki   +2 more
openaire   +3 more sources

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

open access: yesAdvanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich   +3 more
wiley   +1 more source

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