112 Result(s)
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Article
Influence of Ti Addition on Microstructural Evolution, Mechanical Properties, and Corrosion Resistance in Al0.6CrFeNi2.4 Multi-principal Element Alloys
Given the well-established role of Ti as both a reinforcing and passivating element, we designed a series of multi-principal element alloys (MPEAs) based on the ductile and corrosion-resistant Al0.6CrFeNi2.4 allo...
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Article
Effect of Preparation Process on Microstructure and Mechanical Properties of Metal Hollow Sphere Composites (MHSCs)
In order to study the effect of the preparation process on the microstructure and mechanical properties of metal hollow sphere composites (MHSCs), they were fabricated using different preparation processes (di...
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Article
Microstructural Analysis of the Improved Strength–Ductility Combination in Titanium Alloy with Bi-modal Structure
Metastable β titanium alloy with bi-modal structure usually exhibits excellent Strength–ductility combination. However, the origin of this improved mechanical properties on the dislocation level has not been thor...
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Article
Cooling Rate Effect on Microstructures and Mechanical Properties of Ti-7Al-1Mo-0.5V-0.1C
The Ti-7Al-1Mo-0.5V-0.1C alloy exhibits low density and good mechanical properties, and has potential applications in aerospace industries. The microstructure features of titanium alloys, such as the morpholog...
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Article
In-Situ Synthesis and Characterizations of a Novel Aluminum Bronze Composite Reinforced with Micro-Size Tungsten Particles
We present a methodology for preparing a novel aluminum bronze composite reinforced with micro-size tungsten particles through aluminothermic reduction. To synthesize the aluminum bronze composite ingot, the a...
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Article
Quantifying the Glide Resistance to Dislocations in Proton-Irradiated FeCrAl Alloy
The proton irradiation-induced hardening effect of dislocations in C35M FeCrAl alloy on glide resistance was quantified by in-situ micropillar compression testing in a scanning electron microscope (SEM). Irrad...
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Article
Recent progress in the development of KBe2BO3F2: a deep-UV nonlinear optical crystal
This review mainly introduces in detail the progress of KBBF crystal over the last decade, with a full description of its crystal growth, new phase in hydrothermal growth, revised Sellmeier equations of the re...
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Article
Low-threshold-intensity 3.8-W continuous-wave Ti:Sapphire oscillator directly pumped with green diodes
For fiber-coupled green laser-diode pump beam, a simple model was proposed to calculate the average outputs. Then we presented a direct-pum** continuous-wave Ti:Sapphire laser producing an optimized output o...
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Article
Open AccessMosquito counting system based on optical sensing
Mosquitos, sometimes carrying deadly diseases such as malaria, zika, and dengue fever, cause much concern. To control mosquitos, it is important to effectively monitor their presence and behavioral trends. We ...
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Article
Effects of Nitrogen on the Morphology and Evolution of M2C Eutectic Carbides in Fe-Mo-W-Co-Cr-V-C Alloy
The effects of nitrogen on the characteristics and evolutions of M2C eutectic carbides in the Fe-Mo-W-Co-Cr-V-C alloy were investigated in both as-cast and wrought states. Microstructural observation, electrolyti...
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Article
Effect of Ce Addition on the As-Cast and As-Forged Microstructure of Fe-TiB2 Composites
The effects of Ce addition on the as-cast and as-forged microstructure of Fe-TiB2 composites were explored. Fe-TiB2 composites with hypereutectic concentration were formed in situ from Fe-Ti-B melts at various co...
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Article
Computational Modeling of the Mechanical Behavior of 3D Hybrid Organic–Inorganic Nanocomposites
In this study, a computational model of a three-dimensional (3D) hybrid nanocomposite was analyzed using the cohesive finite element method. This model contains hard mineral nanograins bonded by a relatively s...
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Article
Investigation on the LIF spectrum superposition of gas-phase PAH mixtures at elevated temperatures: potential for the analysis of PAH LIF spectra in sooting flames
Laser-induced fluorescence (LIF) technique has been widely used to measure the polycyclic aromatic hydrocarbons (PAHs) in sooting flames, but the assignment of the LIF signals measured in flames to specific PA...
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Article
Measurement and extrapolation modeling of PAH laser-induced fluorescence spectra at elevated temperatures
The laser-induced fluorescence technique is widely used in the measurement of polycyclic aromatic hydrocarbons (PAHs) in sooting flames. One of the main limitations is the absence of the PAH fluorescence spect...
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Article
Thermal oxidation-resistant GeO2 ATR hollow waveguide based on NiCr capillary tube and its thermal effects
Transmission characteristics of a metallic tube GeO2 ATR hollow waveguide degenerate due to metal thermal oxidation caused by transmission, coupling and misalignment losses. NiCr has intrinsic resistance to therm...
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Article
Improvement of Microstructure and Wear Property of Al–Bi Alloys by Nd Addition
The fabrication of immiscible alloys with a homogeneous microstructure remains a challenge owing to the liquid–liquid phase separation. The microstructure and mechanical properties of Al–Bi immiscible alloys ...
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Article
Investigations on Li4Ti5O12/Ti3O5 Composite as an Anode Material for Lithium–Ion Batteries
The Ti3O5 powder with uniform morphology has been successfully obtained and used to synthesize Li4Ti5O12/Ti3O5 composite material by ball milling for modifying Li4Ti5O12-based, lithium–ion battery anodes. Moreove...
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Article
The Effect of Magnetic Field on RbCl Asymmetric Quantum Dot Qubit
On the condition of strong electron-LO phonon coupling in an asymmetric quantum dot (AQD), the eigenenergies and eigenfunctions of the ground and the first excited states (GFES) of an electron under applied ma...
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Article
Upconversion photon quantification of holmium and erbium ions in waveguide-adaptive germanate glasses
Visible upconversion photons have been quantified precisely in Ho3+/Yb3+ and Er3+/Yb3+ doped waveguide-adaptive aluminum germanate (NMAG) glasses, and effective red and green upconversion emissions generated from...
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Article
Lattice damage and waveguide properties of medium- and high-energy C3+ ions-irradiated LaAlO3 crystals
To investigate irradiation effects of LaAlO3 crystals, planar waveguides were fabricated via the medium- and high-energy C3+ ions irradiation. The characterizations of waveguides showed that irradiation at differ...