258 Result(s)
within
Pengfei **g
Materials Science
Characterization and Evaluation of Materials
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Article
Iron Oxychloride as the Cathode Material for Sodium Ion Batteries
Iron oxychloride (FeOCl) with a layered structure may be a potential cathode material for rechargeable sodium ion batteries, due to its large interlayer spacing and high theoretical capacity. Here, the FeOCl m...
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Article
Theory, technology and application of grouted bolting in soft rock roadways of deep coal mines
The grouted bolt, combining rock bolting with grouting techniques, provides an effective solution for controlling the surrounding rock in deep soft rock and fractured roadways. It has been extensively applied ...
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Article
Performance of Ultraviolet Photodetectors Based on Hydrothermal Pristine and V-Doped ZnO Nanoflowers
In this study, a simple and low-cost hydrothermal technique was used to synthesize pristine and different vanadium (V)-doped ZnO nanoflowers, and the ratios of V/Zn were 0.5, 1, 1.5 and 2 at.%, respectively. T...
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Article
Effect of Cu content on martensitic transformation and shape memory behavior in Ti31.5Hf15Zr5Ni48.5−xCux alloys
The impact of Cu do** on the martensitic transformation and shape memory properties of a high-temperature shape memory alloy system, Ti31.5Hf15Zr5Ni48.5−xCux (x = 0, 5, 10, 15, 20), was investigated. Both the m...
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Article
Extracting Beryllium from Beryllium Fluoride by Magnesiothermic Reduction
Beryllium (Be) is an indispensable strategic metal, which is mainly produced by the magnesiothermic reduction of beryllium fluoride (BeF2). In this study, the chemical reaction process of magnesiothermic reductio...
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Article
The Effect of Extrusion Ratio on the Discharge and Corrosion Behavior of Mg-3Al-2.8Y-0.7Mn Alloy
In this study, the impact of extrusion ratio (ER: 10, 16, and 25) on the electrochemical behaviors and discharge performances of Mg-3Al-2.8Y-0.7Mn (wt.%) alloys was investigated. The results indicate that an i...
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Article
Research on the mechanism of rockburst induced by mined coal-rock linkage of sharply inclined coal seams
In recent years, the mining depth of steeply inclined coal seams in the Urumqi mining area has gradually increased. Local deformation of mining coal-rock results in frequent rockbursts. This has become a criti...
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Article
An Axisymmetric Analytical Model for Cracking During Solidification and Its Comparison with the RDG Model
An analytical model was developed to calculate the susceptibility of an alloy to cracking during solidification. Instead of treating the mushy zone as a porous medium like in the prominent analytical model dev...
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Article
Research on Microstructure and High-Temperature Creep Behavior of In-Situ (ZrB2+Al2O3)/AA6016 Nanocomposite
In this study, to improve the creep property of 6016 aluminum alloys, in-situ ZrB2 and Al2O3 nanoparticles were introduced by the direct melt reaction method. The microstructures and creep behaviors of the in-sit...
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Article
Effect of Nickel Element Diffusion on the Tribological Properties of Cemented Carbide Materials under High Temperature Condition
An investigation was conducted in this study to clarify the effect mechanism of nickel element diffusion on the tribological properties of cemented carbide tools. An element diffusion experiment between cement...
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Article
Microstructure Evolution and Mechanical Properties of High Nb-TiAl Intermetallic Compounds during Heat Treatment
High Nb-TiAl intermetallic compounds are a promising lightweight high-temperature structural material for aerospace engines due to their low density, high specific strength, creep resistance, and oxidation res...
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Article
Residual Stress Relaxation and Microstructure Evolution in Cold Radial Forged High-Strength Steel Tube Using Thermal-Vibratory Stress Relief Technique
The residual stress greatly deteriorates the dimensional stability and the mechanical performance of the cold radial forged steel tube. In this work, the effect of thermal-vibratory stress relief (TVSR), therm...
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Article
Influence of Nb Morphology on the Structure and Properties of High Strength and High Conductivity Cu-Nb Composite Wires
In this paper, two types of high strength and high conductivity Cu-Nb and Cu-Nb-Cu microcomposites wires were successfully fabricated by accumulative drawing and bundling process. The results demonstrated that...
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Article
Microstructure and mechanical properties stability of pre-hardening treatment in Al–Cu alloys for pre-hardening forming process
The stability of the microstructure and mechanical properties of the pre-hardened sheets during the pre-hardening forming (PHF) process directly determines the quality of the formed components. The microstruct...
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Article
Effect of Laser Energy Density on Amorphous Phase Content and Properties of Fe-Based Amorphous Coatings
Amorphous coatings are widely used in industry due to their excellent physical and chemical properties. In this paper, Fe-Cr-Mo-C-B-Si amorphous coating was prepared on Q235 steel by coaxial powder feeding las...
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Article
Effect of Niobium Microalloying on the Mechanical Properties in Grade R4 Mooring Chain Steel
The mooring chain is an important equipment to maintain the safety of marine facilities. In this study, the effect of niobium microalloying on the mechanical properties in R4 mooring chain steel 22MnCrNiMo is ...
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Article
Hot Deformation Constitutive Analysis and Processing Maps of Cu-18 wt.%Nb Composite Wires
In this study, the hot deformation behavior and deformation mechanism of Cu-18 wt.%Nb composite wire was studied based on the development of constitutive equations and hot processing maps. The constitutive equ...
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Article
Dielectric temperature stability and energy storage performance of BST-based lead-free ceramics for X8R capacitors
(1−x)Ba0.8Sr0.2TiO3–xBi(Mg0.5Zr0.5)O3 [(1−x)BST–xBMZ] relaxor ferroelectric ceramics were prepared by solid-phase reaction. In this work, the phase structure, surface morphology, element content analysis, dielect...
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Article
EIS study on corona discharge degradation of epoxy resin: micro-structure evaluation and water diffusion
The discharge corrosion of glass fiber reinforced epoxy resin rods is considered as a primary factor in the fracture of composites insulators. Therefore, studying the discharge corrosion of epoxy resin is mean...
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Article
A combined adsorption and photocatalytic regeneration process for crystal violet wastewater treatment with KBiO3
This study reports the application of KBiO3 as both an excellent photocatalyst and an effective adsorbent for the removal of crystal violet dye (CV) from wastewater. CV was rapidly adsorbed from water at a remova...
