32 Result(s)
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Article
Wan**g Guo
English
Characterization and Evaluation of Materials
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Article
Effects of the Rolling Temperature on the Microstructure Uniformities and Mechanical Properties of Large 2219 Al–Cu Alloy Rings
The microstructure uniformities and mechanical properties of the 2219 Al–Cu alloy ring should be further improved. By whole-process analysis and partial quantitative analysis, this paper studies the microstruc...
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Article
Study of electrical properties of graphene /epoxy resin composites induced by external electric field
Composite materials have gradually replaced metal materials with the continuous development of aerospace technology. However, compared with traditional metal materials, the electrical conductivity of composite...
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Article
Effects of fused silica surface roughness on the interfacial adsorption mechanism of contaminant
Since surface contaminants can make optical components such as fused silica highly susceptible to damage, how to maintain the cleanliness of fused silica is an effective way to improve the laser damage thresho...
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High-yield carbon derived from commercial phenol–formaldehyde resin for broadband microwave absorption by balancing conductivity and polarization loss
Lightweight and chemically stable carbon are widely applied as attractive microwave absorption materials (MAMs). However, the effective response bandwidth of pure carbonaceous MAMs is limited due to the imbala...
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Article
Open AccessOptical, thermal, and mechanical properties of (Y1−xScx)2O3 transparent ceramics
Sesquioxides such as Y2O3 and Sc2O3 are important optical materials, but the fabrication of their transparent ceramics remains a challenge due to the ultra-high melting point of over 2400 °C. In this work, a seri...
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Article
Influence of Forging Temperature on the Microstructures and Mechanical Properties of a Multi-Directionally Forged Al–Cu–Li Alloy
Optimization of forging process to improve the microstructure and mechanical properties of 2195 Al–Cu–Li alloy forgings is an urgent issue. In this study, a homogenized 2195 alloy ingot was subjected to multi-...
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Grain Refinement and Thermal Stability of 2219 Aluminum Alloy in the Warm Deformation Process
2219 Al alloy is an important material for manufacturing launch vehicles, and its grain structure has a substantial effect on the performance of storage tank transition rings. In this work, warm compression te...
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The enhanced terahertz absorption of metal gratings/Si-based blocked-impurity-band (BIB) hybrid structures
Terahertz (THz) detecting technology has attracted many attentions. In this work, a novel THz detector based on a metal gratings/Si-based blocked-impurity-band (BIB) hybrid structure was designed and theoretic...
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Correction to: Interference-free photoelectrochemical immunoassays using carboxymethylated dextran-coated and gold-modified TiO2 nanotube arrays
A Correction to this paper has been published: https://doi.org/10.1007/s00216-021-03555-6.
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Interference-free photoelectrochemical immunoassays using carboxymethylated dextran-coated and gold-modified TiO2 nanotube arrays
An interference-free photoelectrochemical (PEC) immunoassay was developed for cardiac troponin I (cTnI) detection. Covalent linkage of cTnI antibody to carboxymethylated (CM-) dextran pre-immobilized onto a go...
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Article
Effects of Cryogenic Deformation on Second-Phase Al2Cu Particles and Mechanical Properties of 2219 Al–Cu Alloy Rings
2219 Al–Cu alloy transition rings are widely used in launch vehicles. However, the coarse and agglomerated second-phase Al2Cu particles significantly deteriorate the mechanical properties and ductility of 2219 Al...
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Article
Effects of Warm Rolling Deformation on the Microstructure and Ductility of Large 2219 Al–Cu Alloy Rings
Large 2219 Al–Cu alloy transition rings are extensively utilised in launch vehicles. However, coarse-grained structures and agglomerated Al2Cu second-phase particles considerably decrease the ductility of large 2...
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Article
Sensitive fluorometric determination of platelet-derived growth factor BB and avian influenza A virus DNA via dual signal amplification using the hybridization chain reaction and glucose oxidase assisted recycling
A method is described for fluorometric determination of platelet-derived growth factor BB (PDGF-BB) and avian influenza A (H1N1) virus DNA. It is based on the use of the hybridization chain reaction (HCR) and ...
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Article
Multi-peak tunable CW orange laser based on single-pass sum frequency generation in step-chirped MgO: PPLN
We report an all-solid-state tunable CW orange laser based on single-pass sum-frequency generation in step-chirped PPMgO: LN crystal. Two laser sources, a tunable laser (1550 nm) and an ASE laser (1525–1650 nm...
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Article
Controllable electromagnetic transmission based on metallic nanoslit with a microcavity
In this paper, we explore the electromagnetic transmission through a vertical metallic nanoslit with a horizontal microcavity. The introduction of microcavity gives rise to the changes of slit transmission spe...
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Article
Structural and mechanical properties of the spines from Echinocactus grusonii cactus
It is intuitional that most cactus spines are hard and sharp, but their structures and properties have never been systematically studied. Here, we report a comprehensive study on the microstructures and mechan...
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Article
A sorbent concentration-dependent Freundlich isotherm
During study of the adsorption isotherms at solid–liquid interfaces, a sorbent concentration effect (C s-effect) phenomenon was observed. In order to describe the C s-effect, we pr...
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Article
Monodisperse single-crystal mesoporous magnetite nanoparticles induced by nanoscale gas bubbles
Monodisperse single-crystal mesoporous magnetite nanospheres with particle size of ~100 nm and pore size of 7.6 nm were synthesized through a solvothermal process. Transmission electron microscopy images clear...
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Article
Vesicle formation induced by layered double hydroxides in the catanionic surfactant solution composed of sodium dodecyl sulfate and dodecyltrimethylammonium bromide
In this paper, it is reported that positively charged Mg3Al layered double hydroxide (LDH) nanoparticles can induce the spontaneous formation of vesicles in micelle solution of sodium dodecyl sulfate (SDS) and do...
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Effects of hydrogen annealing on the structural, optical and electrical properties of indium-doped zinc oxide films
Indium-doped zinc oxide (IZO) films were fabricated by radio-frequency magnetron sputtering. The effects of hydrogen annealing on the structural, optical and electrical properties of the IZO films were investi...
