60 Result(s)
within
Article
Wendong **ao
English
Characterization and Evaluation of Materials
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Article
Thermal performance and heat transfer mechanism of EGa-In-Sn/W composite thermal interface materials
Liquid metal-based thermal interface materials (TIMs) have garnered attention in the field of microelectronics due to their flowability and high thermal conductivity. In this study, Composite TIMs were develop...
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Effect of irradiation on mechanical properties of symmetrical grain boundaries in BCC tungsten: an atomistic study
The effect of displacement cascade on the mechanical properties of symmetrical grain boundaries in BCC tungsten has been studied by molecular dynamics method. At first, results show that the point defects indu...
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Article
Aptamer-functionalized gold nanoparticles for mercury ion detection in a colorimetric assay based on color change time as signal readout
A universal strategy for a rapid colorimetric method for Hg2+ in an aqueous solution is described. The specific binding of Hg2+ (thymine-Hg2+-thymine) with thiolated DNA-functionalized gold nanoparticles (AuNPs) ...
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In Situ Observation of Microstructure Transformation in Q1100 High-Strength Steel during Welding Thermal Simulation
The welding thermal simulation experiment of Q1100 low alloy high-strength steel was conducted using high-temperature laser scanning confocal microscope(HT-LSCM) and Gleeble-3500 thermal simulation tester with...
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Article
Effect of BaTiO3 Size on Dielectric Performance of Ultraviolet-Cured Epoxy Acrylic Composites with BaTiO3
It has been reported that the size of barium titanate (BaTiO3, BT) fillers plays an important part in the dielectric properties of the dielectric composites using polymer as a matrix and BT ceramics powders as fi...
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Fixed-bed column method for removing arsenate from groundwater using aluminium-modified kapok fibres
Groundwater contamination with arsenic is a real problem, especially for people living in rural areas. This study prepared natural sorbents through an easy hydrothermal surface modification method using alumin...
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Fabrication of liquid metal/diamond hybrid thermal interface materials with high thermal conductivity and low flowability
In this work, liquid metal-based hybrid thermal interface materials were fabricated using chromium-coated diamond particles (CCDPs) and eutectic gallium–indium–tin low melting temperature alloy (EGa–In–Sn LMTA...
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Effect of Cu/Ga interfacial reaction on heat transfer performance
The interfacial reactions between Ga and Cu were studied under isothermal conditions at 70, 110, and 150 °C. The SEM morphology and XRD analysis revealed that only CuGa2 phases were formed at these temperatures. ...
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Article
An analytical solution for the time-dependent anchoring force in prestressed cables due to rock creep
The unloading effects induced by rock excavation on high slopes are significant, and a prestressed anchor cable is an effective reinforcement method for high-slope safety. In this work, we consider the interac...
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Article
Time-dependent behaviour of clay-concrete interfaces with different contact surface roughnesses under shear loading
Mechanical properties of the interface between a pile and soil greatly affect the bearing capacity of a pile. The creep of soil causes a long-term strength of the pile–soil interface to be smaller than its ins...
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A rapid fabrication approach for the capacitive accelerometer based on 3D printing and a silver particle-free ink
Silicon-based MEMS (Micro Electromechanical System) transducers have been broadly used to monitor human activities. However, the traditional manufacturing processes are expensive and a production cycle usually...
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Colorimetric detection of acetylcholinesterase and its inhibitor based on thiol-regulated oxidase-like activity of 2D palladium square nanoplates on reduced graphene oxide
A convenient and sensitive colorimetric assay for acetylcholinesterase (AChE) and its inhibitor has been designed based on the oxidase-like activity of {100}-faceted Pd square nanoplates which are grown in sit...
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Ultrathin PdCu alloy nanosheet–assembled 3D nanoflowers with high peroxidase-like activity toward colorimetric glucose detection
Enzyme-mimetic properties of nanomaterials can be efficiently tuned by controlling their size, composition, and structure. Here, ultrathin PdCu alloy nanosheet–assembled three-dimensional (3D) nanoflowers (Pd1Cux
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Open AccessComparing low-temperature thermal and plasma sintering processes of a tailored silver particle-free ink
Silver particle-free inks are under rapid development due to their unique properties. Currently, most of the developed silver particle-free inks contain multiple components. In addition to the necessary solven...
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Article
Viscoelastic analysis of the creep characteristics of interlayered rock specimens under uniaxial compression
Creep properties of interlayered rock mass often encountered in rock engineering, significantly affect the safety and long-term stability of practical engineering. In this study, the theoretical equations of c...
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Article
Synthesis of C60-Coated Ferric Oxide and Its Application in Detecting Magnetic Field
Dispersibility and magnetic response characteristics of magnetic nanoparticles is crucial to the sensitivity and stability of flexible magnetic field sensors. To improve the performance of magnetic nanoparticl...
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Article
Synthesis and electrochemical performance of gold nanoparticles deposited onto a reduced graphene oxide/nickel foam hybrid structure for hydrazine detection
In this paper, an ultrahigh sensitive hydrazine electrochemical sensor based on gold nanoparticles integrated into a reduced graphene oxide/nickel foam (AuNPs-rGO@NF) hybrid structure was synthesized using a f...
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Article
Formation mechanism of γ-AlON and β-SiC reinforcements in a phenolic resin-bonded Al–Si–Al2O3 composite at 1700 °C in flowing N2
An AlON–SiC–Al2O3 composite was successfully prepared by sintering the phenolic resin-bonded Al–Si–Al2O3 green body at 1700 °C in flowing nitrogen. The results show that the major phases of the samples after sint...
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Article
Microwave Dielectric Properties of Low-Temperature Co-fired Mg2Al4Si5O18-BaCu(B2O5) Ceramics
In this work, the sintering temperatures of Mg2Al4Si5O18 ceramics was reduced to ∼ 900°C by adding BaCu(B2O5) (BCB). Mg2Al4Si5O18 reacts with BCB to form the second phase BaAl2Si2O8. As the sintering temperature ...
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A fluorometric method for mercury(II) detection based on the use of pyrophosphate-modified carbon quantum dots
Pyrophosphate-modified carbon quantum dots (PP-CDs) are demonstrated to be a viable fluorescent nanoprobe for mercury(II) (Hg2+) detection. Hg2+ reacts with the pyrophosphate groups on the surface of PP-CDs to fo...
