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Article
Untypical Electrochemical Corrosion Behavior of High-Nitrogen Austenitic Stainless Steel: Non-Pitting in Transpassivation
The transpassivation and pitting corrosion behavior of a high-nitrogen stainless steel (HNS), Fe18Cr15Mn3Mo0.92N, were systematically investigated by electrochemical analysis, morphology observation, and X-ray...
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Article
Enhanced Nitriding of 38CrMoAl Steels with Laser Vibrational Excitation of Ammonia
Gas nitriding is a thermochemical surface hardening process that is widely used in industry but suffers from a low decomposition rate of ammonia (NH3) and extremely long processing cycles. To enhance the gas nitr...
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Article
Acetylene/argon mixture plasma to build ultrathin carbon bridge of CFx/C/MnO2 for high-rate lithium primary battery
Forming an ultrathin conducting layer on a fluorinated carbon (CFx) surface for reducing severe electrochemical polarization in lithium/fluorinated carbon primary batteries (Li/CFx) remains a considerable challen...
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Article
Trace Pd alloyed with Au to boost Au/uncalcined TS-1 catalyzed propane hydro-oxidation to acetone
Selective oxidation of propane to acetone (AC) with H2 and O2 provides a direct route to convert low-cost propane into value-added products. Unfortunately, the catalytic activity of conventional Au/Ti-based catal...
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Article
Renewable conversion of coal gangue to 13-X molecular sieve for Cd2+-containing wastewater adsorption performance
Using coal gangue (CG) as raw material, a new type of all solid-waste-based 13-X molecular sieve material was controllably prepared by alkali fusion-hydrothermal method. The synthetic molecular sieve was used ...
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Article
The Effect of Wall Thickness on the Microstructure and Tensile Properties on Squeeze Casting of Al–5Mg–2.2Si–0.6Mn–0.1Ce Alloy
The present study investigates the effect of wall thickness on the mechanical properties of Al-5Mg-2.2Si-0.6Mn-0.1Ce castings, using squeeze casting to fabricate alloys with varying wall thicknesses. The resul...
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Article
Preparation of chitosan and citric acid crosslinked membrane and its application in quasi-solid supercapacitors
Quasi-solid electrolytes promote the development of safe and flexible energy storage devices. In this work, a chitosan and citric acid crosslinked membrane is prepared by a freeze–thaw cross-linking method, in...
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Article
Relationship between crystal structure and dielectric properties of non-stoichiometric Mg2 +xAl4 +ySi5 +zO18-based microwave ceramics
The effects of non-stoichiometry on the phase composition, crystal structure, and dielectric properties of Mg2 + xAl4 + ySi5 + zO18 ceramics were systematically studied. The stoichiometry deviation of Mg2 + xAl4 ...
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Article
Flexible carbon fiber-based composites for electromagnetic interference shielding
With the rapid development of electronic information technology, the waste electromagnetic radiation generated by the wireless and various other electronic devices has caused serious harm to human health. The ...
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Article
Open AccessBioactive nano-selenium antagonizes cobalt nanoparticle-mediated oxidative stress via the Keap1-Nrf2-ARE signaling pathway
At present, no effective treatment exists for the clinical toxicity of cobalt nanoparticles (CoNPs, 30 nm) after metal-on-metal (MOM) artificial joint replacement. As such, a better understanding of the CoNPs-...
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Article
Interface engineering of Co3O4—SmMn2O5 nanosheets for efficient oxygen reduction electrocatalysis
Interface engineering is an efficient strategy to modify electronic structure and further improve electrocatalytic activity. Herein, crystalline/amorphous heterostructured Co3O4-SmMn2O5 nanosheets (Co3O4-SMO NSs)...
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Article
Epitaxial pyrolytic carbon coatings templated with defective carbon nanotube cores for structural annealing and tensile property improvement
Thermal annealing of chemical vapor deposition (CVD)-grown carbon nanotubes (CNTs) is a practical method for reducing defects in CNTs, which is essential for promoting applications of CNTs in nanoscale or micr...
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Article
Lead-free p-type Mn:Cs3Cu2I5 perovskite with tunable dual-color emission through room-temperature grinding method
Compared with widely studied lead halide perovskite, copper halide perovskite is toxic-free and combines better stability with comparable photoluminescence quantum yield. Cation do** has proven to be an effe...
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Article
A review of helical carbon materials structure, synthesis and applications
The helical structures possess unique physical and chemical properties, such as superelasticity, high specific strength, chirality, and electromagnetic cross-polarization characteristics. With the development ...
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Article
Poly(l-lactide-co-caprolactone)/tussah silk fibroin nanofiber vascular scaffolds with small diameter fabricated by core-spun electrospinning technology
A biomimetic vascular scaffold with excellent mechanical properties and biocompatibility is urgently needed, and designing such a scaffold is a challenge. The majority of vascular scaffolds have satisfactory b...
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Article
Graphene Aerogel-Supported Silicon@Carbon Hybrids with Double Buffering Structure as Anode for Lithium-Ion Battery
Graphene aerogel-supported silicon@carbon (SCG) hybrids with a double buffering structure were prepared via self-assembly and a solvothermal method. Nano-silicon (Si) particles coated with amorphous carbon wer...
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Article
An alkaline fusion mechanism for aluminate rare earth phosphor: cation–oxoanion synergies theory
Waste aluminate rare earth phosphor is an important rare earth elements (REEs) secondary resource, which mainly consists of BaMgAl10O17:Eu2+ (BAM) and CeMgAl11O19:Tb3+ (CMAT). Alkaline fusion process is widely us...
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Article
Bulk Nanolaminated Nickel: Preparation, Microstructure, Mechanical Property, and Thermal Stability
A bulk nanolaminated (NL) structure with distinctive fractions of low- and high-angle grain boundaries (f LAGBs and f HAGBs) is produced in pure nickel, through a two-step process ...
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Article
Hydrothermal synthesis combined with calcination of NaGd(SO4)2 nanoparticles and their luminescent properties from single doped Eu3+ and co-doped Yb3+,Er3+
The NaGd(SO4)2: Eu3+/Yb3+,Er3+ nanoparticles were successfully synthesized by a facile hydrothermal method combined with calcination. DTA-TG-DTG, FT-IR, and XRD results reveal that the precursor is composed of ga...
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Article
Laponite nanoparticle as a multi-functional additive in water-based drilling fluids
In recent years, shale gas has been an important fossil fuel. However, drilling in porous and water-sensitive shale using water-based drilling fluids (WBDs) can cause various problems, such as cuttings sedimen...