119 Result(s)
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Characterization and Evaluation of Materials
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Article
Core–shell structured Co3O4@NiCo2O4 electrodes grown on Ni foam for high-performance supercapacitors
Recently, supercapacitors (SCs) have emerged as one of the most promising energy storage devices, which can be attributed to their exceptional power density, rapid charge–discharge rate, and superior cycling s...
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Open AccessLocal strain heterogeneity and damage mechanisms in zirconia particle-reinforced TRIP steel MMCs: in situ tensile testing with digital image processing
In this work, the microstructural deformation and damage mechanisms of TRIP steel metal matrix composites (MMCs) reinforced with Magnesia Partially Stabilized Zirconia (Mg-PSZ) particles are investigated by em...
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Article
Transport properties, magnetoresistance, and temperature coefficient of resistance of perovskite NdMnO3
Magnetoresistance and temperature coefficient of resistance (TCR) of manganites with ferromagnetism have been reported extensively, but the magnetoresistance and TCR of antiferromagnetic manganites are scarce....
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Article
Effect of Heat Treatment on Microstructure and Mechanical Properties of TA15 Titanium Alloy Repaired by Laser Deposition
To address the challenges associated with difficult-to-process and service-failing titanium alloy parts, laser deposition repair technology is employed to restore their dimensions and mechanical properties. Gi...
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Article
Energy storage enabled by cross-linked multilayer films using block copolymer-modified nanocapsules and chitosan biopolymers
The silica nanocapsules were functionalized with poly(methacrylic acid)-block-poly(2-acrylamido-2-methylpropanesulfonic acid) (PMAA-b-PAMPS) and assembled with chitosan (CHI) by layer-by-layer deposition and cros...
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Article
Open AccessGroup IV topological quantum alloy and the role of short-range order: the case of Ge-rich Ge1–xPbx
Despite the explosion of interest in topological materials over the last decades, their applications remain limited due to challenges in growth and incorporation with today’s microelectronics. As a potential b...
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Article
Electrochemical co-reduction of Mg(II), Al(III) and Nd(III) in the LiCl-NaCl-MgCl2-AlF3 melts
To prepare Mg–Al-Nd alloys electrochemically, the electrochemical co-reduction mechanism of Mg(II), Al(III), and Nd(III) was probed in the LiCl-NaCl-MgCl2-AlF3 melts on a molybdenum electrode by means of various ...
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Article
Open AccessFlexible multifunctional titania nanotube array platform for biological interfacing
The current work presents a novel flexible multifunctional platform for biological interface applications. The use of titania nanotube arrays (TNAs) as a multifunctional material is explored for soft-tissue in...
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Article
Quasi-in-situ Observation and SKPFM Studies on Phosphate Protective Film and Surface Micro-Galvanic Corrosion in Biological Mg–3Zn–xNd Alloys
The phosphate protective film and micro-galvanic corrosion of biological Mg-3Zn-xNd (x = 0, 0.6, 1.2) alloys were investigated by scanning and transmission electron microscopy, quasi-in-situ observation, scanning...
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Article
Enhancement of energy-storage properties in BaTiO3-based relaxor ferroelectrics via introducing (Bi0.5Na0.5)0.7Sr0.3TiO3
Dielectric energy-storage ceramic materials with fast charging and discharging times and high reliability have almost irreplaceable applications in fields such as high-energy pulsed-power technology. To mitiga...
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Article
Boron difluoride modified zinc metal–organic framework-based “off–on” fluorescence sensor for tetracycline and Al3+ detection
A novel fluorescence “off–on” probe was developed using a boron difluoride–modified zinc metal–organic framework (Zn-MOF3) for sensitive determination of tetracycline (TC) and Al3+. The Zn-MOF3 has excellent opti...
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Article
Gradient Wire and Arc Additive Remanufacturing of 5CrNiMo Hot Forging Die: Microstructure, Mechanical Properties, and Applications
The surface of the hot forging die is prone to failure due to severe high heat and cyclical load during service. The remanufacturing of a forging die by wire and arc additive manufacturing technology could gre...
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Article
Research on Aluminum Alloy Fracture Fatigue Striation Using Segmentation Method Based on Attention Mechanism and Vgg-Unet
Microscale fatigue striations are the most typical microstructure in the fatigue fractures. Accurate region segmentation and feature recognition for fatigue striation images are the key to clarify the failure ...
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Article
Low-Dose X-Ray Activated Self-luminous Bone Cement with NIR-to-NIR Pseudo-upconverted Persistent Luminescence Sensitized by Nd
X-ray activated near-infrared (NIR) persistent luminescence has promising application in biomedical luminous imaging. However, there are strict medical restrictions on X-ray dosage to avoid radiation disease. ...
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Article
Numerical simulation on effects of augmentation in temperature of inlet steam on wet steam flow in supersonic nozzle: energy and exergy analysis
Because of limited energy resources, the examination of losses in industrial systems is very imperative. The energy and exergy analysis is considered one of the methods to evaluate losses. In aerospace and pow...
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Article
Nanoarchitectonics of binary semiconductor Sb–Y for the application of phase-change memory device
This work systematically investigates the improvement in phase change properties and crystallization mechanism of Sb films after Y do**. Compared with the pure Sb thin films, Sb51Y49 has a higher crystallizing ...
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Article
MXene@CTAB@CMF three-dimensional elastic base for piezoresistive pressure sensors realized by electrostatic self-assembly
A highly sensitive pressure-sensitive sensor based on MXene was developed using the electrostatic self-assembly method, with carbide sponges as the elastic substrate and a rational design. Specifically, CTAB w...
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Article
Dynamic behavior of tunneling triboelectric charges in two-dimensional materials
Although the research history of triboelectrification has been more than 2000 years, there are still many problems to be solved so far. The use of scanning probe microscopy provides an important way to quantit...
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Article
Evaluation of the effects of combined application of dimethylaminohexadecyl methacrylate and MDP on dentin bonding and antimicrobial properties
This study aimed to evaluate the effects of the combined application of dimethylaminohexadecyl methacrylate (DMAHDM) and 10-methacryloyloxydecyl dihydrogen phosphate (MDP) on dentin bonding and its antimicrobi...
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Article
Obtaining high breakdown strength and excellent charge–discharge properties in bismuth ferrite-based lead-free relaxor ferroelectric ceramics
Herein, the low cost (0.6 − x)BiFeO3–0.4SrTiO3–xBi(Zn0.5Zr0.5)O3 free-lead ceramics can be synthesized via the solid-state reaction methods. The samples have local compositional disorder and constructed small-siz...
