Luoxing Li
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View article: Influence of repair welding times on the microstructures and inhomogeneity mechanical properties of Al-Mg-Si welded joints
Influence of repair welding times on the microstructures and inhomogeneity mechanical properties of Al-Mg-Si welded joints Open
Repairing welded joints of defective aluminum alloy play an important role in improving the safety and reliability of the vehicle body. In this study, an equivalent welded joint model was established to accurately characterize the microstr…
View article: Attention Mechanism-Based Feature Fusion and Degradation State Classification for Rolling Bearing Performance Assessment
Attention Mechanism-Based Feature Fusion and Degradation State Classification for Rolling Bearing Performance Assessment Open
Rolling bearing failure poses significant risks to mechanical system integrity, potentially leading to catastrophic safety incidents. Current challenges in performance degradation assessment include complex structural characteristics, subo…
View article: Process–Structure Co-Optimization of Glass Fiber-Reinforced Polymer Automotive Front-End Module
Process–Structure Co-Optimization of Glass Fiber-Reinforced Polymer Automotive Front-End Module Open
For automotive GFRP structural components, beyond structural design, the warpage, residual stress/strain, and fiber orientation inevitably induced during the injection molding process significantly compromise their service performance. The…
View article: Dynamic recrystallization and microstructural evolution in 40CrNi2MoV steel during forging
Dynamic recrystallization and microstructural evolution in 40CrNi2MoV steel during forging Open
Reactor pressure vessel (RPV) studs require uniform microstructures for reliability. A strain-compensated Arrhenius constitutive model and dynamic recrystallization (DRX) model for 40CrNi2MoV steel were established via isothermal compressi…
View article: Assessment of the effect of the process-induced porosity defects on the fatigue properties of wire arc additive manufactured Al–Si–Mg alloy
Assessment of the effect of the process-induced porosity defects on the fatigue properties of wire arc additive manufactured Al–Si–Mg alloy Open
Process-induced porosity significantly affects the fatigue resistance of additive-manufactured components under cyclic loads. In this study, the influence of process-induced porosity defect characteristics on the fatigue properties of wire…
View article: Tribological characteristics of Al–Mg–Si–Cu alloy against die steel under elevated temperatures in simulated hot extrusion environment
Tribological characteristics of Al–Mg–Si–Cu alloy against die steel under elevated temperatures in simulated hot extrusion environment Open
Friction is a considerable boundary condition in aluminum alloy hot extrusion. In this study, ball-on-disc friction tests at temperatures of 25–500 °C were performed to equivalently simulate the interface tribological behaviors between Al–…
View article: Effects of triaxial rolling on the microstructure and installation characteristics of reactor pressure vessel studs
Effects of triaxial rolling on the microstructure and installation characteristics of reactor pressure vessel studs Open
Reactor pressure vessel (RPV) studs are key components of nuclear reactors, and their connection with flange ensures the sealing of the RPV under high-pressure and high-temperature conditions. In the present work, the external threads of t…
View article: Microstructure and Its Influence on the Welding Quality of 6063 Aluminum Alloy Porthole Die Extrusion
Microstructure and Its Influence on the Welding Quality of 6063 Aluminum Alloy Porthole Die Extrusion Open
Extrusion experiments and 3D numerical modeling were conducted to investigate the dynamic recrystallization and welding quality of a 6063 aluminum alloy hollow square tube extruded by a porthole die at the ram speeds of 3 mm/s, 7 mm/s, 9 m…
View article: The deformation mechanism and adiabatic shearing behavior of extruded Mg-8.0Al-0.1Mn alloy in different heat treated states under high-speed impact load
The deformation mechanism and adiabatic shearing behavior of extruded Mg-8.0Al-0.1Mn alloy in different heat treated states under high-speed impact load Open
High-speed impact tests were conducted in transverse direction with strain rates (SRs) ranging from 1000 s−1–6000 s−1 to investigate the deformation mechanism and adiabatic shearing behavior of extruded Mg-8.0Al-0.1Mn alloy in as-extruded …
View article: Mechanical Performance Evaluation of the Al-Mg-Si-(Cu) Aluminum Alloys after Transient Thermal Shock through an Novel Equivalent Structure Design and Finite Element Modeling
Mechanical Performance Evaluation of the Al-Mg-Si-(Cu) Aluminum Alloys after Transient Thermal Shock through an Novel Equivalent Structure Design and Finite Element Modeling Open
In this paper, the microstructure evolution and mechanical performance of the Al-Mg-Si-(Cu) aluminum alloy after transient thermal shock were investigated through experimental tests and finite element simulations. A novel equivalent struct…
View article: Dynamic Mechanical Behavior and Microstructure Evolution of an Extruded 6013-T4 Alloy at Elevated Temperatures
Dynamic Mechanical Behavior and Microstructure Evolution of an Extruded 6013-T4 Alloy at Elevated Temperatures Open
The mechanical properties of an extruded 6013-T4 alloy were tested at a temperature range from 25 to 400 °C and strain rate range from 1 × 103 to 5 × 103 s−1. The results demonstrate that the stress level is sensitive to strain rate and te…
View article: Simulation Analysis of Porthole Die Extrusion Process and Die Structure Modifications for an Aluminum Profile with High Length–Width Ratio and Small Cavity
Simulation Analysis of Porthole Die Extrusion Process and Die Structure Modifications for an Aluminum Profile with High Length–Width Ratio and Small Cavity Open
The design of a porthole die is one of the key technologies for producing aluminum profiles. For an aluminum profile with high length–width ratio and small cavity, it is difficult to control the metal flow through porthole die with the sam…
View article: Precipitation Stages and Reaction Kinetics of AlMgSi Alloys during the Artificial Aging Process Monitored by In-Situ Electrical Resistivity Measurement Method
Precipitation Stages and Reaction Kinetics of AlMgSi Alloys during the Artificial Aging Process Monitored by In-Situ Electrical Resistivity Measurement Method Open
The precipitation process and reaction kinetics during artificial aging, precipitate microstructure, and mechanical properties after aging of AlMgSi alloys were investigated employing in-situ electrical resistivity measurement, Transmissio…
View article: Modeling Material Flow Behavior during Hot Deformation Based on Metamodeling Methods
Modeling Material Flow Behavior during Hot Deformation Based on Metamodeling Methods Open
Modeling material flow behavior is an essential step to design and optimize the forming process. In this context, four popular metamodel types Kriging, radial basis function, multivariate polynomial, and artificial neural network are inves…