13 Result(s)
within
Materials Science
Characterization and Evaluation of Materials
Ri**ang Zhu
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Article
Open AccessDifferential Scanning Calorimetry (DSC) and Thermodynamic Prediction of Liquid Fraction vs Temperature for Two High-Performance Alloys for Semi-Solid Processing (Al-Si-Cu-Mg (319s) and Al-Cu-Ag (201))
There is a need to extend the application of semi-solid processing (SSP) to higher performance alloys such as 319s (Al-Si-Cu-Mg) and 201 (Al-Cu-Ag). The melting of these two alloys was investigated using diffe...
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Article
Open AccessEffect of Zn Concentration on the Microstructure and Mechanical Properties of Al-Mg-Si-Zn Alloys Processed by Gravity Die Casting
The microstructure and mechanical properties of Al-8.1Mg-2.6Si-(0.08 to 4.62)Zn alloys (in wt pct) have been investigated by the permanent mold casting process. X-ray diffraction analysis shows that the τ-Mg32(Al...
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Article
Open AccessOrganosilicon polymer-derived ceramics: An overview
Polymer-derived ceramics (PDCs) strategy shows a great deal of advantages for the fabrication of advanced ceramics. Organosilicon polymers facilitate the sha** process and different silicon-based ceramics wi...
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Article
Open AccessEffect of BNNTs/matrix interface tailoring on toughness and fracture morphology of hierarchical SiCf/SiC composites
A thin BN interphase is applied on BNNTs surface to tailor the interfacial bonding between BNNTs and SiC matrix in hierarchical SiCf/SiC composites. The thickness of BN interphase ranging from 10 to 70 nm can be ...
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Article
MnS Precipitation Behavior of High-Sulfur Microalloyed Steel Under Sub-rapid Solidification Process
A typical high-sulfur microalloyed steel was investigated by a sub-rapid solidification process for grain refinement of the as-cast microstructure. The size and distribution characteristics of the MnS precipit...
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Article
Electroluminescence Properties of a Zinc Oxide Nanorod Array Heterojunction Light-Emitting Diode
A p-GaN/i-MgO/n-ZnO nanorod array (NRA) heterojunction light-emitting diode has been fabricated. Its room-temperature electroluminescence spectra under different forward biases revealed a strong emission band acr...
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Article
Open AccessPrediction of crossing nodal-lines and large intrinsic spin Hall conductivity in topological Dirac semimetal Ta3As family
Topological insulators (TIs) are considered as ideal platforms for generating large spin Hall conductivity (SHC), however, the bulk carrier problem, which is unavoidable in TIs, hinders their practical applica...
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Article
Open AccessFabrication and performance evaluation of novel transparent ceramics RE:Tb3Ga5O12 (RE = Pr, Tm, Dy) toward magneto-optical application
Transparent ceramics are at the heart of modern magneto-optical materials providing promising opportunities for Faraday isolators. 1.0 at% RE:Tb3Ga5O12 (rare earth (RE) = Pr, Tm, Dy) transparent ceramics were suc...
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Article
Open AccessForsterite-hydroxyapatite composite scaffolds with photothermal antibacterial activity for bone repair
Bone engineering scaffolds with antibacterial activity satisfy the repair of bacterial infected bone defects, which is an expected issue in clinical. In this work, 3D-printed polymer-derived forsterite scaffol...
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Article
Open AccessSupramolecular gating of guest release from cucurbit[7]uril using de novo design
Herein we computationally explore the modulation of the release kinetics of an encapsulated guest molecule from the cucurbit[7]uril (CB7) cavity by ligands binding to the host portal. We uncovered a correlation b...
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Article
Open AccessPrediction of protected band edge states and dielectric tunable quasiparticle and excitonic properties of monolayer MoSi2N4
The electronic structure of two-dimensional (2D) materials are inherently prone to environmental perturbations, which may pose significant challenges to their applications in electronic or optoelectronic devic...
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Article
Open AccessDevelopment and prospects of garnet ceramic scintillators: A review
Garnet ceramic scintillators are a class of inorganic scintillation materials with excellent overall performance. The flexibility of cation substitution in different lattice positions leads to tunable and vers...
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Article
Evaluations of the Adsorption Polymerization Mechanisms of MgAl2O4–Ti2O3 Complex Inclusions in Steel
Research on intragranular acicular ferrite inclusions has demonstrated that high-melting-point oxide MgAl2O4 cores and composite inclusions precipitated by Ti2O3 adhesion can be used as effective nucleation parti...
