Fei Chen
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View article: The Effect of Magnetron Sputtering Si <sub>3</sub> N <sub>4</sub> Coating on the Corrosion Resistance of WE43 Magnesium Alloy
The Effect of Magnetron Sputtering Si <sub>3</sub> N <sub>4</sub> Coating on the Corrosion Resistance of WE43 Magnesium Alloy Open
Magnesium and its alloys, despite being lightweight and advantageous for lightweight applications, suffer from comparatively poor corrosion resistance. This study explores the use of surface coatings as a viable strategy to mitigate corros…
View article: Multi-Objective Collaborative Optimization of Distribution Networks with Energy Storage and Electric Vehicles Using an Improved NSGA-II Algorithm
Multi-Objective Collaborative Optimization of Distribution Networks with Energy Storage and Electric Vehicles Using an Improved NSGA-II Algorithm Open
Grid-based distribution networks represent an advanced form of smart grids that enable modular, region-specific optimization of power resource allocation. This paper presents a novel planning framework aimed at the coordinated deployment o…
View article: Distribution Network Optimization and Flexibility Enhancement Based on Power Grid Equipment Maintenance
Distribution Network Optimization and Flexibility Enhancement Based on Power Grid Equipment Maintenance Open
With increasing integration of renewable energy, traditional distribution networks face challenges such as low flexibility, poor response speed, and operational inefficiency. To address these issues, this paper proposes a two-layer optimiz…
View article: Cooperative and Integrated Operation of the Power Equipment Network Based on Main-Distribution Coordination
Cooperative and Integrated Operation of the Power Equipment Network Based on Main-Distribution Coordination Open
In order to realize the overall economic operation of the power equipment network, this manuscript proposes a hybrid algorithm based on Genetic Algorithm and Satin Bowerbird Optimizer, which is used for coordinated operation between the gr…
View article: Lattice-filled TA15 titanium alloy optics housing for laser communication terminals: Design and dynamics validation
Lattice-filled TA15 titanium alloy optics housing for laser communication terminals: Design and dynamics validation Open
Space laser communication technology facilitates the rapid transmission of spacecraft observation data. The terminal equipment, characterized by its compact, lightweight, and energy-efficient design, imposes stringent requirements on the o…
View article: Seismic prediction of Permian volcanic rock reservoirs in Southwest Sichuan Basin
Seismic prediction of Permian volcanic rock reservoirs in Southwest Sichuan Basin Open
The study aims to analyze Permian volcanic reservoirs (VResr) in the Chengdu Janyang area in the southwestern part of the Sichuan Basin through seismic prediction (SP) techniques in order to identify and predict VResr. The study integrated…
View article: Association between adding salt in food and dementia in European descent: A mendelian randomization study
Association between adding salt in food and dementia in European descent: A mendelian randomization study Open
Background High salt intake has been proposed as a risk factor for dementia. However, causal relationship between salt intake and dementia remains uncertain. Purpose The aim of this study was to employ a mendelian randomization (MR) design…
View article: Analysis of extreme ultraviolet radiation and hydrodynamics simulation at the core of laser-produced nickel plasmas
Analysis of extreme ultraviolet radiation and hydrodynamics simulation at the core of laser-produced nickel plasmas Open
The non-uniformity and transient nature of laser-produced plasma are critical factors that affect the analysis of the extreme ultraviolet spectra of highly charged ions and the diagnosis of plasma states. This paper systematically investig…
View article: RHDLPP: A multigroup radiation hydrodynamics code for laser-produced plasmas
RHDLPP: A multigroup radiation hydrodynamics code for laser-produced plasmas Open
We introduce the RHDLPP, a flux-limited multigroup radiation hydrodynamics numerical code designed for simulating laser-produced plasmas in diverse environments. The code bifurcates into two packages: RHDLPP-LTP for low-temperature plasmas…
View article: Efficient and privacy-preserving multi-agent systems for smart city carpooling with k-regret queries and differential privacy
Efficient and privacy-preserving multi-agent systems for smart city carpooling with k-regret queries and differential privacy Open
Multi-Agent Systems are characterized by the presence of multiple independent agents and find diverse applications. In the context of smart cities, MAS is employed in traffic management to enhance operational efficiency, optimize resource …
View article: Non-contact bacterial identification and decontamination based on laser-induced breakdown spectroscopy
Non-contact bacterial identification and decontamination based on laser-induced breakdown spectroscopy Open
As a new kind of modern military biological weapon, bacterial agents pose a serious threat to the public health security of human beings. Existing bacterial identification requires manual sampling and testing, which is time-consuming, and …
View article: Optimal sizing of energy storage in generation expansion planning of new power system with high penetration of renewable energies
Optimal sizing of energy storage in generation expansion planning of new power system with high penetration of renewable energies Open
With the consumption of fossil fuels and the impact of the greenhouse effect, renewable energies are ushering in a huge development opportunity, thus the optimal configuration of energy storage is essential to cope with the intermittence a…
View article: Research on the behaviour and mechanism of void welding based on multiple scales
Research on the behaviour and mechanism of void welding based on multiple scales Open
As the core foundation of major national equipment, large forgings have a great influence on the national economic construction, the development of national defence equipment and the development of modern cutting-edge science and technolog…
View article: Refinement mechanism of centimeter-grade coarse grains in as-cast Ti2AlNb-based alloy during multi-directional forging
Refinement mechanism of centimeter-grade coarse grains in as-cast Ti2AlNb-based alloy during multi-directional forging Open
Centimeter-grade coarse grains commonly exist in heavy ingots of Ti2AlNb-based alloy and severely deteriorate their workability. To investigate the refinement of coarse grains, multi-directional isothermal forging (MDIF) was carried out on…
View article: PEEK based cranial reconstruction using thermal assisted incremental sheet forming
PEEK based cranial reconstruction using thermal assisted incremental sheet forming Open
Compared to conventional sheet forming operations, incremental sheet forming (ISF) is a flexible forming technique that can achieve higher formability in terms of localized deformation. Due to excellent mechanical properties and X-ray pene…
View article: Investigation on the Strengthening Mechanism of Flow Control Extrusion by Using Experiment and Numerical Simulation
Investigation on the Strengthening Mechanism of Flow Control Extrusion by Using Experiment and Numerical Simulation Open
Bimodal grain structure leads to high strength and strain hardening effect of metallic materials. In this study, an effective approach called flow control extrusion (FCE) is proposed to achieve heterostructures of pure copper. Compared wit…
View article: A Virtual Laboratory Based on Full-Field Crystal Plasticity Simulation to Characterize the Multiscale Mechanical Properties of AHSS
A Virtual Laboratory Based on Full-Field Crystal Plasticity Simulation to Characterize the Multiscale Mechanical Properties of AHSS Open
In this work, we proposed a virtual laboratory based on full-field crystal plasticity simulation to track plastic anisotropy and to calibrate yield functions for multi-phase metals. The virtual laboratory, minimally, only requires easily a…
View article: Research on Low-density Cross-border Support Technology For Large-section Coal Roadway in Shallow-buried Thick Coal Seam
Research on Low-density Cross-border Support Technology For Large-section Coal Roadway in Shallow-buried Thick Coal Seam Open
The slow excavation speed of coal roadways has always been a key factor restricting the safe and efficient production of large-scale coal mines in China, and the problem of unbalanced mining replacement caused by this is widespread. This p…
View article: Embedded Obfuscated Barcodes for Identification of Genuine Additive Manufactured Parts
Embedded Obfuscated Barcodes for Identification of Genuine Additive Manufactured Parts Open
Additive manufacturing (AM) has been adopted for manufacturing complex shaped highly customized components for aerospace, automotive, and medical fields, where intellectual property protection and counterfeit detection are major concerns. …
View article: MODIFIED PHYSICALLY-BASED CONSTITUTIVE MODEL FOR As-CAST Mn18Cr18N AUSTENITIC STAINLESS STEEL AT ELEVATED TEMPERATURES
MODIFIED PHYSICALLY-BASED CONSTITUTIVE MODEL FOR As-CAST Mn18Cr18N AUSTENITIC STAINLESS STEEL AT ELEVATED TEMPERATURES Open
The hot-deformation behavior of the as-cast Mn18Cr18N high-nitrogen austenitic stainless steel, produced with the electroslag-remelting metallurgical technology, was studied using isothermal-compression tests in a temperature range of 1223…
View article: A New Diagnosis Method of Vibration Fault of Rotating Machinery Based on Information Exergy
A New Diagnosis Method of Vibration Fault of Rotating Machinery Based on Information Exergy Open
Vibration signal analysis is a foundation of fault diagnosis, while the common used method is to analyse the characteristic quantities extracted from an original waveform of a particular measuring point in a particular moment. It lacks of …
View article: Void-closure behavior and a new void-evolution model for various stress states
Void-closure behavior and a new void-evolution model for various stress states Open
Cavity defects including a shrinkage cavity, air hole and porosity are typical defects of an ingot, which are difficult to avoid.These defects can disappear during deformation at a reasonably high temperature and heat-preservation process …
View article: Research on Energy Management Strategy of Hybrid Electric Vehicles Based on Hierarchical Control in the Connected Environment
Research on Energy Management Strategy of Hybrid Electric Vehicles Based on Hierarchical Control in the Connected Environment Open
Vehicle energy management is the core technology of hybrid vehicles, which determines the fuel economy and emission performance of the vehicle.At present, most of the common energy management is based on known operating conditions, without…
View article: A review of void formation and its effects on the mechanical performance of carbon fiber reinforced plastic
A review of void formation and its effects on the mechanical performance of carbon fiber reinforced plastic Open
Carbon fiber reinforced plastic (CFRP) is ideal for high performance of mechanical properties. However, during the manufacturing process of CFRP, defects or flaws can easily be introduced into the material, among which void is the most commo…