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Article
Sintering Characteristics and Microwave Dielectric Properties of Li2Mg3Ti0.95(Mg1/3Sb2/3)0.05O6 Ceramic Doped with LiF for LTCC Applications
In the current study, LiF as a sintering agent was chosen to achieve the low temperature sintering of Li2Mg3Ti0.95(Mg1/3Sb2/3)0.05O6 (LMTS) ceramics. LMTS ceramics with 1–4 wt.% LiF additions were prepared by a s...
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Article
Low temperature sintering and microwave dielectric properties of Li6Mg7Ti3O16 ceramics with LiF additive for LTCC applications
Li6Mg7Ti3O16 ceramics were prepared by the conventional solid-state method with 1–5 wt% LiF as the sintering aid. Effects of LiF additions on the phase compositions, sintering characteristics, micro-structures an...
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Article
Effects of lithium fluoride addition on sintering characteristics and microwave dielectric properties of rock–salt structure Li2Mg4TiO7 ceramics
Li2Mg4TiO7 ceramics doped with 1–5 wt% LiF were successfully prepared by the conventional solid-state method. The sintered samples could be well indexed as the rock salt structure with space group Fm-3m (JCPDS #7...
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Article
Microwave dielectric properties of Li2Mg3ZrO6 ceramics doped with LiF for LTCC applications
Li2Mg3ZrO6 (LMZ) ceramics doped with 1–5 wt% LiF were prepared by the conventional solid-state reaction method. The influences of LiF addition on the phase compositions, micro-structure, sintering behavior and mi...
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Article
Effects of LiF addition on the sintering behavior and microwave dielectric properties of Li2Mg3SnO6 ceramics
Li2Mg3SnO6 (abbreviation for LMS) ceramics doped with 1–4 wt% lithium fluoride (LiF) were prepared by the conventional solid-state reaction method. The effects of LiF addition on the phase compositions, sintering...
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Article
New rock salt structure dielectric material Li2Ni3TiO6 at microwave frequency
A novel microwave dielectric ceramic Li2Ni3TiO6 with cubic rock salt structure was prepared by the conventional solid-state method. The relationships among sintering behavior, microstructure and microwave dielect...
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Article
Characterization of low loss microwave dielectric materials Zn0.92Co0.08ZrNb2O8 based on the complex chemical bond theory
Low loss microwave dielectric ceramics Zn0.92Co0.08ZrNb2O8 with wolframite structure were prepared by the solid state method. Sintering characteristics, phase composition and microwave dielectric properties were ...
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Article
Characterization of microwave dielectric materials NiZrNb2O8 based on the chemical bond theory
Wolframite structure NiZrNb2O8 ceramics were prepared by the solid state reaction method. Sintering characteristics and microwave dielectric properties were investigated under various sintering temperatures rangi...
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Article
Synthesis, characterization, and microwave dielectric properties of ixiolite-structure MnZrNb2O8 ceramics through the aqueous sol–gel process
The ixiolite-structure MnZrNb2O8 ceramics were synthesized by the aqueous sol–gel method in order to reduce the sintering temperature. X-ray diffraction, scanning electron microscopy and Energy Disperse Spectrosc...
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Article
Open AccessMagneto-Impedance Effect of Composite Wires Prepared by Chemical Plating under DC Current
CuBe composite wires of 100 μm in diameter coated with a layer of NiCoP were prepared by a chemical plating method under DC current (CPUDC). The influences of DC current on coating morphology, deposition rate,...
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Article
Open AccessEffects of neighboring woody plants on target trees with emphasis on effects of understorey shrubs on overstorey physiology in forest communities: a mini-review
Plant-plant interaction plays a key role in regulating the composition and structure of communities and ecosystems. Studies of plant-plant interactions in forest ecosystems have mainly concentrated on growth e...
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Chapter and Conference Paper
Numerical Simulations of Transitional and Turbulent Flows in Plane Mixing Layers
In this paper, three types of 3-D spatial evolving compressible plane shear flows, namely, supersonic/supersonic mixing layers, supersonic/subsonic mixing layers and subsonic/subsonic mixing layers, are invest...
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Chapter
Behavior of Helium II Bubble During Spin-Up and Spin-Down Motions Wrap** Around Rotating Dewar Well
Time dependent animation of spherical bubble spin-up from rest, elongate and wrap around the dewar well; and also, the fully wrap** bubble around rotating dewar well spin-down at an equilibrium rotating spee...
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Article
Actuation of sloshing modulated force and moment on liquid container driven by jitter accelerations associated with siew motion in microgravity
The mathematical formulation of sloshing dynamics for a partially liquid filled dewar container driven by the gravity jitter acceleration associated with slew motion is studied. Explicit mathematical expressio...
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Article
Sloshing dynamics-modulated fluid angular momentum and moment fluctuations driven by orbital gravity gradient and jitter accelerations in microgravity
The dynamical behavior of spacecraft propellant affected by the asymmetric combined gravity gradient and jitter acceleration are studied. In particular the effect of surface tension on partially-filled rotatin...
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Article
Sloshing dynamics modulated cryogenic helium fluids driven by gravity gradient or jitter accelerations associated with slew motion in microgravity
The mathematical formulation of the Dewar container sloshing dynamics for a partially filled liquid of cryogenic superfluid helium II driven by the gravity gradient or jitter accelerations associated with slew...
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Chapter
Cryogenic Helium System Angular Momentum and Moment Fluctuations Driven by Gravity Gradient in Microgravity
The dynamical behavior of fluids affected by the asymmetric gravity gradient acceleration and gravity jitter acceleration, in particular the effect of surface tension on partially-filled rotating fluids with s...
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Chapter
Gravity Gradient Induced Viscous Stress and Moment Fluctuations of Cryogenic Helium System in Microgravity
Fluctuations of fluid stress forces, fluid stress moments, and moment arm of fluid moment exerted on the dewar wall of the container due to slosh wave excitations driven by gravity gradient acceleration or gra...
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Article
Interaction between soil hydrology and boundary-layer development
A two-layer model of soil hydrology and thermodynamics is combined with a one-dimensional model of the planetary boundary layer to study various interactions between evolution of the boundary layer and soil mo...
