148 Result(s)
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Article
Mechanical Response and Failure Mechanism of AFRP-repaired Corroded CHS Tubes Under Axial Compression
Corrosion-induced defects, extensive and unavoidable in marine structures, pose significant threats to structural integrity and safety. This study aims to assess mechanical response and investigate the failure...
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Article
Controllable preparation and properties of boron-doped carbon aerogel composites
Carbon aerogels represent a highly promising category of carbon materials with extensive application prospects in insulation, adsorption, catalysis, and battery technologies. Nevertheless, the current preparat...
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Article
Fabrication of flexible nitrogen-doped graphene micro-supercapacitors by laser-induced self-made precursors
With the wide application of portable wearable devices, a variety of electronic energy storage devices, including micro-supercapacitors (MSCs), have attracted wide attention. Laser-induced graphene (LIG) is wi...
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Article
Triboelectric and piezoelectric materials for smart health in human-integrated healthcare systems
This paper presents a comprehensive exploration of the role of smart materials, specifically triboelectric and piezoelectric materials, in the context of human-integrated healthcare systems. The study begins b...
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Article
Influence of Mn–Si elements on the kinetics of oxidative phase transformation under continuous cooling conditions and modeling study
In this paper, a simultaneous thermal analyzer carried out isothermal eutectoid transformation experiments of Fe–0.4Mn, Fe–1.2Mn, and Fe–1.2Mn–0.2Si alloys. The kinetic model of the isothermal phase transforma...
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Article
Construction of rod-like micro/nano structure and its effects on the electrochemical energy storage performance of lithium-rich manganese-based cathode material
By adjusting the oxidant amount and hydrothermal reaction temperature, a rod-shaped MnO2 sample was formed. Taking it as the manganese source, a Li-rich manganese-based cathode material (LMCM) with obvious rod-li...
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Article
Effects of Forming Specific Pressure and Filling Speed on Microstructure and Mechanical Properties of Thin-Walled CuSn10P1 Alloy Parts by Rheological Squeeze Forming
Semi-solid rheological squeeze forming has distinct advantages over traditional casting and forming techniques. In this study, a high-performance thin-walled CuSn10P1 alloy was successfully produced by combini...
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Article
Microstructure and Low-Temperature Toughness of Reheated Coarse-Grained Heat-Affected Zone of 06Ni9DR Steel
The microstructure and low-temperature impact toughness of the reheated coarse-grained heat-affected zone (CGHAZ) of 06Ni9DR steel were investigated by using optical microscopy (OM), scanning electron microsco...
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Article
Numerical Analysis of Fluid Flow and Powder Transport Characteristics of RH-Degasser Ladle Bottom Powder Injection (RH-PBI) Process
In this work, the RH-BPI refining process was numerically simulated by establishing a coupled gas–liquid-particle mathematical model. The deflection behavior of the gas-powder plume due to powder injection was...
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Article
High Temperature Corrosion and Mechanical Properties of TiC-AlSi12 Composite Coating Fabricated on Ti-6Al-4V Alloy Substrate via High-Energy Mechanical Alloying Method
The TiC-AlSi12 composite coating was successfully prepared on Ti-6Al-4V substrate via mechanical alloying. the process parameters including powder weight ratio and milling duration of coating fabrication were ...
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Article
Open AccessThe ultra-high electric breakdown strength and superior energy storage properties of (Bi0.2Na0.2K0.2La0.2Sr0.2)TiO3 high-entropy ferroelectric thin films
The electric breakdown strength (Eb) is an important factor that determines the practical applications of dielectric materials in electrical energy storage and electronics. However, there is a tradeoff between Eb
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Article
The Role of Carbon in Wear Resistance of CoCrFeNiTi0.5 High-Entropy Alloy Layer
The influence of C do** on the phase and microstructure of CoCrFeNiTi0.5Cx high-entropy alloy layer is revealed in this study, and C do** improves the microhardness and wear resistance successfully. It is fou...
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Article
Influence of Component Size on the Corrosion Behavior of Ti6Al4V Alloy Fabricated by Electron Beam Powder Bed Fusion
The electrochemical behavior of Ti–6Al–4V with 1 mm and 16 mm thickness prepared by electron beam powder bed fusion (EB-PBF) was investigated in phosphate buffered saline. Electrochemical results showed that E...
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Article
Facile and controllable synthesis of nitrogen self-doped chitosan-derived carbon for high-performance Li-ion batteries
N-do** content and configurations have a significant effect on the electrochemical performance of carbon anodes. Herein, we proposed a simple method to synthesize highly N self-doped chitosan-derived carbon ...
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Article
Numerical Simulation of Particle Motion and Wall Scouring Behavior in Steelmaking Converter With Bottom Powder Injection
The coupled Eulerian-multifluid VOF-granular flow model was built to simulate gas–liquid-particle three-phase flow in a 120-ton steelmaking converter with bottom powder injection. Particle transport phenomenon...
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Article
A Hot Cracking Initiation Criterion Based on Solidification Liquid Film Characteristic and Microstructure
Herein, a hot cracking initiation criterion based on the characteristics of solidification liquid film and the microstructure was proposed, which integrated both the mechanical and non-mechanical factors durin...
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Article
Relaxor regulation and enhancement of energy storage properties in bi-modified Sr2NaNb5O15-based tetragonal tungsten bronze ceramics
Dielectric capacitors based on the relaxor ferroelectric ceramic with large discharge power density offer significant advantages for advanced pulsed power systems. Tungsten bronze-based relaxor ceramics have e...
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Article
Dual Strengthened Control of Recrystallization Behavior on CVCDE Magnesium Alloy Containing Characteristic Structure
Various characteristic structures in typical magnesium alloys, including dislocation cells, substructures and twins, have an important influence on the dynamic recrystallization behavior, and the DRX (dynamic ...
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Article
The sensitivity and specificity of carbon dot species on the detection of chromium metal ions
Rapid industrialization has brought about Cr6+ pollution, and the excellent performance of carbon dots (CDs) provides a new idea for preparing environmentally friendly nanoprobes for Cr6+ detection. In the presen...
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Article
Study of the Effect of Ultrasonic Vibration on Nickel-Based Coating by Electrical Discharge Machining
Surface modification of ASTM 1045 carbon steel using ultrasonic vibration-assisted automatic electric discharge machining (UAEDM) in gaseous media was carried out, aiming to investigate the effect mechanism of...