Results 1 to 10 of about 957,654 (146)

High Energy Density and Temperature Stability in PVDF/PMMA via In Situ Polymerization Blending [PDF]

open access: yesFrontiers in Chemistry, 2022
Dielectrics with improved energy density have long-standing demand for miniature and lightweight energy storage capacitors for electrical and electronic systems.
Yongbin Liu   +7 more
doaj   +2 more sources

A New Stress-Released Structure to Improve the Temperature Stability of the Butterfly Vibratory Gyroscope [PDF]

open access: yesMicromachines, 2019
This paper is devoted to discussing the influence of thermal stress on the performance of the Butterfly Vibratory Gyroscope (BFVG). In many gyroscopes, due to the material properties and the fabrication processes, the deformation caused by residual ...
Fenlan Ou   +4 more
doaj   +2 more sources

Establishment of a Mass Concrete Strength-Monitoring Method Using Barium Titanate–Bismuth Ferrite/Polyvinylidene Fluoride Nanocomposite Piezoelectric Sensors with Temperature Stability [PDF]

open access: yesSensors
Mass concrete is widely used in large-scale projects, including metro upper cover structures, water conservancy dams, and heavy equipment foundations, among others, necessitating the process of health monitoring in mass concrete construction.
Guoliang Lin   +5 more
doaj   +2 more sources

Dielectric tunable characteristics of compositional-gradient BaTi1−xSnxO3 thin films

open access: yesJournal of Advanced Dielectrics, 2021
Compositional-gradient BaTi1−xSnxO3 thin films on Pt(100)/Ti/SiO2/Si substrates are fabricated with sol–gel using spin coating. All of the structures of the prepared thin films are of single-phase crystalline perovskite with a dense and crack-free ...
Chenjing Wu, Manwen Yao
doaj   +1 more source

Investigation of Electro-Elastic Properties for LN Single Crystals at Low Temperature

open access: yesApplied Sciences, 2021
Lithium niobate crystals (LiNbO3, LN) are multifunctional crystal materials with many outstanding properties. In this work, the electro-elastic properties of LN single crystals were explored at temperatures from −150 °C to 150 °C.
Feifei Chen   +4 more
doaj   +1 more source

Device for investigating thermal stability of characteristics of voltage-to-frequiency converters

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2021
The article presents the research results on a device for automatic measurement of the temperature stability of the output characteristics of voltage-to-frequency converters. The device can be used to measure mechanical stresses in the ship's hull.
Viktor Zavadsky   +3 more
doaj   +1 more source

Structure, electrical properties and temperature stability of PIN–PZN–PT piezoelectric ceramics with morphotropic phase boundary compositions [PDF]

open access: yesJournal of Advanced Dielectrics, 2019
A series of Pb(In1∕2Nb1∕2)O3–Pb(Zn1∕3Nb2∕3)O3–PbTiO3 (PIN–PZN–PT) ternary piezoelectric ceramics with compositions at the morphotropic phase boundary (MPB) were prepared.
Tingting Wang   +4 more
doaj   +1 more source

Simultaneously improving piezoelectric properties and temperature stability of Na0.5K0.5NbO3 (KNN)-based ceramics sintered in reducing atmosphere

open access: yesJournal of Advanced Ceramics, 2021
It is a very difficult work to sinter K0.5Na0.5NbO3 (KNN)-based materials with good reduction resistance in strong reducing atmosphere. 0.945K0.48Na0.52Nb0.96Ta0.04O3−0.055BaZrO3 + 0.03ZrO2 + y mol%MnO (KNNT−0.055BZ + 0.03Zr + yMn) ceramics sintered in ...
Zhenyong Cen   +6 more
doaj   +1 more source

Temperature Effects on Optical Trapping Stability [PDF]

open access: yesMicromachines, 2021
In recent years, optically trapped luminescent particles have emerged as a reliable probe for contactless thermal sensing because of the dependence of their luminescence on environmental conditions. Although the temperature effect in the optical trapping stability has not always been the object of study, the optical trapping of micro/nanoparticles ...
Dasheng Lu   +2 more
openaire   +4 more sources

Synthesis and Performance Evaluation of a Novel High-Temperature-Resistant Thickener

open access: yesMolecules, 2023
Successful exploitation of carbonate reservoirs relies on the acid-fracturing process, while the thickeners used in this process play a key role. It is a common engineering problem that thickeners usually fail to function when used in high-temperature ...
Yu Sui   +5 more
doaj   +1 more source

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