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Article
Efficient ORR catalyst: porous activated carbon prepared from water hyacinth with high N content
Oxygen reduction reaction (ORR) is an important reaction process that occurs at the cathode of zinc-air batteries. An efficient reaction process is conducive to further research on sustainable energy devices. ...
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Article
A direct electrochemical sensor based on covalent organic frameworks/platinum nanoparticles for the detection of ofloxacin in water
A direct electrochemical sensor based on covalent organic frameworks (COFs)/platinum nanoparticles (PtNPs) composite was fabricated for the detection of ofloxacin (OFX) in water. Firstly, the COF material was...
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Article
Preparation of Al2O3-SiO2 aerogel by ambient pressure drying for thermal insulation application
Al2O3-SiO2 aerogel (ASA) was prepared by convenient ambient pressure drying using inexpensive AlCl3·H2O as precursor, and silicon was deposited during the aging of aluminum gel. To explore the influence of Chlori...
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Article
Out-of-plane Properties and Failure Mechanism of Composite Laminates Reinforced With Carbon Z-pins
This paper investigated the effects of Z-pin content and insertion angle on the deformation and failure of quasi-isotropic laminates in the thickness direction by tensile pull-out tests and out-of-plane tensil...
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Article
Interface behavior and performance of Sn–Ag–Cu lead-free solder bearing Tb
To further improve the performance of the Sn–3.5Ag–0.5Cu solder, trace amount of rare earth Tb was added. The wettability, shear strength and interface compounds (IMCs) were investigated in this work. The find...
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Article
Effects of Ultrasonic Shot Peening and Multi-arc Ion Plating on Microstructure and Properties of TiAlN-Coated Cemented Carbide Materials
The objective of this work was to evaluate the microstructure, mechanical properties, tribological performance, and corrosion behavior of TiAlN coatings prepared by the ultrasonic shot peening (USSP) pre-treat...
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Article
Organic cross-linker-reinforced small-sized CsPbBr3 @silica nanoparticles for fluorescence detection of copper and sulfide ions
Lead halide perovskite nanocrystals (NCs) have been considered as a promising candidate for various applications in the luminescence field. However, the NCs show extremely poor tolerances to several ambient en...
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Article
Microstructure and Electrical Resistivity of In Situ Cu-Fe Microcomposites
This paper studied the electrical resistivity of in situ Cu-Fe microcomposites using theoretical analysis and experiments. The model alloys Cu-XFe (X = 3, 4.3, 11, 14 and 17 wt.%) were produced by casting, and th...
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Article
Simple and sensitive nitric oxide biosensor based on the electrocatalysis of horseradish peroxidase on AuNPs@metal–organic framework composite-modified electrode
Fe-based metal–organic framework (MIL-101(Fe)) was synthesized through a simple solvothermal synthesis and then used to prepare the AuNPs-decorated MIL-101(Fe) nanocomposite (APPPM(Fe)) by a multi-step layer-b...
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Article
A simple and low-cost method of preparing CoFe2O4/Ba0.85Ca0.15Zr0.1Ti0.9O3 composite ceramics
In this work, we used the single-pot synthesis methods to prepare the uniform and pure CFO/BCZT composite particles with different mass ratios (1:3, 1:4, 1:5, 1:6, 1:7) at first. Then these particles were sint...
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Article
Location-Dependent Microstructure and Properties for Plasma Arc Additively Manufactured Duplex Stainless Steel ER2209 Wire
The location-dependent thermal cycles, microstructure and properties of plasma arc additive manufacturing (PAAM) multi-layered thin-wall part by using ER2209 wire were explored through numerical simulation and...
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Article
Construction of Constitutive Model and Strain-Rate Sensitivity Coefficient Distribution Map of Ti2AlNb
The hot deformation behavior of Ti–22Al–25Nb was studied by the high temperature compression over a range of temperatures (950–1050 °C) and strain rates (0.001–10 s−1) in this paper. The work-hardening (WH) and s...
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Article
Interlaminar mechanical properties of nano- and short-aramid fiber reinforced glass fiber-aluminum laminates: a comparative study
Delamination damages limit the application potential of Fiber metal laminates, hence improving the interlaminar mechanical properties has always been a research focus and challenge in this field. The toughenin...
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Article
Fabrication of high-conductivity RGO film at a temperature lower than 1500 ºC by electrical current
Fabricating conductive graphene films by assembling graphene oxide (GO) sheets is highly desired for many applications, however a very high temperature around 3000 K is usually required to repair the sp2 structur...
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Article
Effect of bonding time on the microstructure and shear property of Cu/SAC-15Ag/Cu 3D package solder joint fabricated by TLP
In this paper, Cu/SAC-15Ag/Cu 3D package solder joints were prepared by transient liquid phase (TLP) bonding technology. The effects of bonding time on the microstructure and shear property of solder joints we...
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Article
Amperometric sensor based on ZIF/g-C3N4/RGO heterojunction nanocomposite for hydrazine detection
A dense zeolitic imidazolate framework (ZIF) nanosheet is for the first time molded by reduced graphite oxide (RGO) and graphitic carbon nitride (g-C3N4) to fabricate an original 2D/2D/2D heterojunction (ZIF/g-C
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Article
Determination of Critical Dynamic Recrystallization Conditions and Mechanism Analysis of Ti600 High-Temperature Titanium Alloy
The dynamic recrystallization behavior of a high-temperature titanium alloy Ti600 has been investigated by hot compression tests at the strain rates of 0.001-10 s−1 and temperatures of 950-1010 °C. The grain boun...
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Article
Microstructure and strengthening mechanisms of CuCrZr alloy by two-step thermomechanical treatment
The high strength obtained in Cu–Cr alloys is mainly attributed to the precipitation strengthening, dislocation strengthening, and grain-boundary strengthening. The precipitate size, dislocation density, and g...
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Article
Simple and effective strategy to synthesize porous carbon with controlled structures for supercapacitor
With remarkable electrochemical stability/conductivity and abundant porous structure, porous carbon electrodes can store considerable amount of charge electrostatically by reversible adsorption of electrolyte,...
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Article
The Effect of Precipitation Characteristics on Hardening Behavior in Cu–Cr–Sn Alloy with Sn Variation
The influence of minor solute additions of Sn on hardening behavior and microstructure evolution of the Cu–Cr–Sn alloys has been investigated with help of an optical microscope, scanning electron microscope, t...