51 Result(s)
within
Feng**a Liu
Materials Science
Characterization and Evaluation of Materials
Materials Science, general
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Article
Tailoring the stability of iron carbides to enhance the mechanical performances of Fe–C–Mn–Si alloys
The Fe–C–Mn–Si alloys are promising advanced high strength steels (AHSSs) with their performances greatly influenced by iron carbides precipitated in quenching and partitioning process. To date, the structural...
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Article
Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys for fuel tanks: part II—effect of multi-pass repair welding
During the fabrication of fuel tanks by adopting friction stir welding (FSW), welding defects were almost unavoidable. The multi-pass repair FSW is the preferred repair welding technique for fuel tanks. Howeve...
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Article
Effect of hot isostatic pressure on the microstructure and tensile properties of γ′-strengthened superalloy fabricated through induction-assisted directed energy deposition
The microstructure characteristics and strengthening mechanism of Inconel738LC (IN-738LC) alloy prepared by using induction-assisted directed energy deposition (IDED) were elucidated through the investigation ...
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Article
New process for treating boron-bearing iron ore by flash reduction coupled with magnetic separation
Boron is an important industrial raw material often sourced from minerals containing different compounds that cocrystallize, which makes it difficult to separate the mineral phases through conventional benefic...
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Article
Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys: part I—microstructure evolution and mechanical properties
The need for 2219 aluminum alloy and 2195 Al–Li alloy dissimilar friction stir welding (FSW) arises as the conventional 2219Al alloy was gradually replaced by the novel 2195Al alloy in fabrication of fuel tank...
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Article
Open AccessSuperconductivity and topological aspects of two-dimensional transition-metal monohalides
Two-dimensional (2D) superconducting states have attracted much recent interest, especially when they coexist with nontrivial band topology which affords a promising approach towards Majorana fermions. Using f...
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Article
Rational design of hierarchically structured dual-encapsulated CoMoO4 nanosheets via in situ plasma tuning for efficient Li+ storage
Engineering electrodes with desirable nanostructures are regarded as an urgent challenge to achieve enhanced electrical conductivity, stable structural integrity, and advanced performance for Li+ storage. Various...
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Article
Preparation of low thermal conductivity hierarchically porous diatomite ceramics by doped with ZrSiO4 opacifier-based foam-gelcasting method
Hierarchically porous diatomite ceramics (HPDCs) doped with ZrSiO4 as the opacifier were successfully prepared by means of foam-gelcasting with diatomite powder as original material. The effects of the opacifier,...
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Article
Flow zone distribution and mixing time in a Peirce—Smith copper converter
Peirce—Smith copper converting involves complex multiphase flow and mixing. In this work, the flow zone distribution and mixing time in a Peirce—Smith copper converter were investigated in a 1:5 scaled cold mo...
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Article
Coupling high-throughput experiment and machine learning to optimize elemental composition in nickel-based superalloys
Establishing relationship of elemental composition and mechanical property is a tremendous amount of work in superalloys. Here, machine learning coupled with high-throughput experiment is adopted to construct ...
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Article
Interlaminar mechanical properties of nano- and short-aramid fiber reinforced glass fiber-aluminum laminates: a comparative study
Delamination damages limit the application potential of Fiber metal laminates, hence improving the interlaminar mechanical properties has always been a research focus and challenge in this field. The toughenin...
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Article
Open AccessPrediction of intrinsic topological superconductivity in Mn-doped GeTe monolayer from first-principles
The recent discovery of topological superconductors (TSCs) has sparked enormous interest. The realization of TSC requires a delicate tuning of multiple microscopic parameters, which remains a great challenge. ...
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Article
Low-temperature-deposited SnO2 films for efficient planar CH3NH3PbI3 photovoltaics
Low-temperature-synthesized electron transport layers (ETLs) are in demand for the industrialization and flexibility of perovskite solar cells (PeSCs). SnO2 ETLs are prepared via chemical bath deposition at low t...
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Article
Ohmic contact in graphene/SnSe2 Van Der Waals heterostructures and its device performance from ab initio simulation
Van der Waals (vdW) type metallic/semiconducting heterostructures have attracted much attention for applications like nanoelectronics. The electronic properties of graphene/SnSe2 vdW heterostructure are investiga...
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Article
Supported AuPd nanoparticles with high catalytic activity and excellent separability based on the magnetic polymer carriers
An approach is developed to fabricate supported AuPd nanoparticles (NPs) with high catalytic activity and good separability depending on these amino-modified polymer microspheres (Fe3O4@PS-NH2). After the careful...
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Article
Modification of porous carbon with nitrogen elements to enhance the capacitance of supercapacitors
A porous carbon precursor is prepared by modifying polyvinylidene fluoride with nitrogen via a chemical polyreaction and then introducing mesopores using the soft-template method. After carbonization at the ap...
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Article
Superior-performance TiN films sputtered for capacitor electrodes
Titanium nitride (TiN) thin films were deposited on Si (100) substrate by direct current reactive sputtering without and with the application of a substrate bias. The aim of this work was to clarify the effect...
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Article
Open AccessTopological superconducting phase in high-Tc superconductor MgB2 with Dirac–nodal-line fermions
Topological superconductors are an intriguing and elusive quantum phase, characterized by topologically protected gapless surface/edge states residing in a bulk superconducting gap, which hosts Majorana fermio...
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Article
Synthesis and thermal properties of a capric acid-modified expanded vermiculite phase change material
A new capric acid (CA)-modified vermiculite composite phase change material (PCM) with improved adsorption ability and enhanced thermal stability was prepared in the present research. The silanization vermicul...
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Article
Phase selection of titanium boride in copper matrix composites during solidification
In situ TiB whisker and TiB2 particle hybrid reinforced copper matrix composites were fabricated by vacuum induction melting. The phase constitution of the composites varies with their chemical composition. Therm...
