7,032 Result(s)
within
Qi** Li
Characterization and Evaluation of Materials
Materials Science, general
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Article
Enhanced α → β phase transition of Ti–6Al–2Zr–1Mo–1V alloy by the electropulsing
Both the electropulsing-assisted treatment (EPAT) and traditional heat treatment (THT) were conducted to investigate the effect of the electropulsing on α → β phase transition in Ti–6Al–2Zr–1Mo–1V (TA15) alloy. T...
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Article
A facile injectable and self-healing carbon dot/oxidative polysaccharide hydrogel with sustained release capability and potent antibacterial activity
Multi-functional hydrogels possess significant potential for use in clinical medical treatments. In this study, we synthesized a polysaccharide hydrogel containing carbon dots (CDs) for the purpose of creating...
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Article
Nitrogen–carbon-induced spinodal structure in plasma nitrocarburized 38CrMoAl with hollow cathode discharging
The commonly utilized nitriding steel 38CrMoAl is employed for components subjected to low-impact loads but high wear. In this investigation, 38CrMoAl underwent plasma nitrocarburizing using a hollow cathode p...
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Article
Jujube shell-derived organic/inorganic nitrogen-doped porous carbon: electrochemical properties and contribution of nitrogen-doped forms to ion adsorption and storage
Biomass-derived nitrogen-doped porous carbon was prepared using jujube shell as the precursor through a two-step process involving activation and nitrogen-do**. Different nitrogen sources, organic-N and inor...
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Article
Establishment and validation of an organic coating aging evaluation model based on analytic hierarchy process principle
There are various failure modes of organic coating protective systems and the accurate evaluation of their failure degree has attracted many attentions in recent years. In this study, on the basis of eight fai...
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Article
Shape memory, reprocessing and photothermal conversion of isocyanate-free polythiourethane nanocomposites with Fe3O4 enabled via crosslinking with disulfide bonds
The nanocomposites of polythiourethane (PTU) with Fe3O4 were fabricated via an isocyanate-free approach. The nanocomposites simultaneously had the reprocessing, shape memory and photothermal properties. First, a ...
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Article
Open AccessBiotin-modified mesoporous silica nanoparticles as a delivery system for quercetin and gallic acid for bacterial biofilm eradication
The effective management of biofilm-associated infections remains a pressing concern in clinical practice, necessitating the development of efficient eradication strategies. This study introduces biotin-modifi...
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Article
Molecular dynamics study on nanogrinding behavior of lamellar heterostructure gallium nitride
Lamellar heterostructures containing gallium nitride (GaN) have excellent photoelectric properties and also play an important role in lighting, the quantum field, and other fields. Exploring the nanoscale proc...
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Article
Numerical simulation of fatigue fracture in gradient high-strength steel: effects of carbides and gradient structure on stress–strain response and crack propagation behavior
Focusing on the joint effect of gradient structure and carbides, this work explores the stress–strain response of gradient high-strength steels under cyclic loading and their fatigue crack propagation behavior...
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Article
Stress corrosion cracking behavior and mechanism of high manganese steel in inshore SO2-polluted marine environment
High manganese steel (HMS), widely utilized in railway transportation, often encounters the compounded challenge of high stress impact and corrosion, ultimately leading to environmentally assisted cracking. To...
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Article
Preparation, characterization and scale inhibition performance of carboxymethyl ficoll
Carboxymethyl Ficoll (CM-Ficoll) has attracted wide attention in various areas such as cell isolation and pharmaceutical slow-release. However, the preparation especially the precise control of carboxymethyl d...
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Article
Mechanical properties and corrosion resistance of TC4 titanium alloy joints by plasma arc welding + gas tungsten arc welding combination welding
In this paper, plasma arc welding (PAW) and plasma arc welding combined with gas tungsten arc welding (PAW + GTAW) were used to weld TC4 titanium alloy plate (thickness of 8 mm). The relationship between mecha...
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Article
The influence of drilling speed on the evolution mechanism of subsurface defects in single crystal 3C-SiC in molecular dynamics
To investigate the effect of drilling speed on the molecular dynamics and subsurface defect evolution mechanism of 3C-SiC single crystals, a coupled molecular dynamic model for drilling is established. A multi...
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Article
Open AccessUnraveling dislocation-based strengthening in refractory multi-principal element alloys
Refractory multi-principal element alloys (RMPEAs) draw great interest with their superior mechanical properties and extremely high melting points, yet the strengthening mechanism remains unclear. Here, we cal...
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Article
Robust chitosan sponges for highly efficient aggregation-induced demulsification separation of emulsified oil from surfactant-polymer oily sewage
Removing emulsified oil from surfactant-polymer-flooding (SPF) oily sewage is a tough problem during oil field exploitation as the viscosity and emulsification degree of the oily sewage dramatically increased ...
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Article
Open AccessThe mastery of details in the workflow of materials machine learning
As machine learning (ML) continues to advance in the field of materials science, the variation in strategies for the same steps of the ML workflow becomes increasingly significant. These details can have a sub...
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Article
Open AccessDevelo** a lightweight corrugated sandwich panel based on tea oil camellia shell: correlation of experimental and numerical performance
This study presents an experimental and numerical comparison between the mechanical performance of a lightweight corrugated sandwich panel based on the tea oil camellia shell (TOCS). Hence, TOCS was mixed in t...
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Article
Linear evolution of the γ′-(Ni, Cu)3Al phase composition in Cu-based high-temperature alloys
The ordered γ′-(Ni, Cu)3Al is a crucial strengthening phase that improves the high-temperature resistance of Cu-based alloys, so it is important to predict the kinetic evolution of the composition and microstruct...
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Article
Fluorine-free, corrosion-resistant aluminum surfaces with nickel hydroxide and stearic acid superhydrophobic coatings
This work presented a novel method for fabricating corrosion-resistant and fluorine-free superhydrophobic Al2O3/nickel hydroxide (NiOxHy)/stearic acid (STA) composite coating on the Al alloys. The Al2O3/NiOxHy co...
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Article
Passivation of interfacial defects of ZnO and CsPbBr3 by inserting NaSCN in all-inorganic perovskite solar cells
Here, we passivated the interfacial defects of ZnO/CsPbBr3 by inserting a NaSCN layer between the ZnO electron transport layer and the CsPbBr3 layer to improve the photoelectric conversion efficiency of ZnO/CsPbB...
