Jingpei Xie
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View article: Molecular Dynamics Simulation Study on the Cooling Behavior and Mechanical Properties of Silicone Carbide/Aluminum Composites
Molecular Dynamics Simulation Study on the Cooling Behavior and Mechanical Properties of Silicone Carbide/Aluminum Composites Open
The mismatch of the coefficient of thermal expansion (CTE) between the reinforcement and the matrix leads to thermal residual stresses and defects upon cooling from the processing temperature to room temperature. The residual stresses and …
View article: Effects of strain rate and temperature on the interface deformation mechanism of Cu/Al4Cu9/Al2Cu/Al multilayer composites: A molecular dynamic study
Effects of strain rate and temperature on the interface deformation mechanism of Cu/Al4Cu9/Al2Cu/Al multilayer composites: A molecular dynamic study Open
This study employed molecular dynamics simulations to investigate the effects of strain rate and temperature on the interface deformation mechanisms of Cu/Al4Cu9/Al2Cu/Al multilayer composites under uniaxial tensile loading. Results reveal…
View article: Effect of grain size on the interface deformation mechanism and mechanical properties of polycrystalline Cu/Al2Cu/al layered composite materials: A molecular dynamics simulation
Effect of grain size on the interface deformation mechanism and mechanical properties of polycrystalline Cu/Al2Cu/al layered composite materials: A molecular dynamics simulation Open
Molecular dynamics simulations were first employed to investigate effect of grain Size(D = 6–15 nm) on the interface deformation mechanism and mechanical properties of polycrystalline Cu/Al2Cu/Al layered Composite Materials. The results sh…
View article: Trace Zr Addition Enhances Strength and Plasticity in Cu-Zr/Al2Cu/Al Alloys via Local FCC-to-BCC Transition: Molecular Dynamics Insights on Interface-Specific Deformation and Strain Rate Effects
Trace Zr Addition Enhances Strength and Plasticity in Cu-Zr/Al2Cu/Al Alloys via Local FCC-to-BCC Transition: Molecular Dynamics Insights on Interface-Specific Deformation and Strain Rate Effects Open
This study investigates how Zr doping influences the deformation behavior of Cu-Zr/Al2Cu/Al composites through molecular dynamics simulations. The impact of Zr content (ranging from 0 to 0.8 wt%) and strain rate on phase evolution, disloca…
View article: Atomic-Scale Interfacial Dynamics and Twin Formation in Cu/Al2Cu/Al Layered Composites During Cooling: Insights from Molecular Dynamics Simulations
Atomic-Scale Interfacial Dynamics and Twin Formation in Cu/Al2Cu/Al Layered Composites During Cooling: Insights from Molecular Dynamics Simulations Open
This study investigates the cooling process of the Cu/Al2Cu/Al system following high-temperature diffusion using molecular dynamics (MD) simulations based on an embedded atom method potential. The analysis focused on various characteristic…
View article: Strain-Controlled Thermal–Mechanical Fatigue Behavior and Microstructural Evolution Mechanism of the Novel Cr-Mo-V Hot-Work Die Steel
Strain-Controlled Thermal–Mechanical Fatigue Behavior and Microstructural Evolution Mechanism of the Novel Cr-Mo-V Hot-Work Die Steel Open
In response to the intensifying competition in the mold market and the increasingly stringent specifications of die forgings, the existing 55NiCrMoV7 (MES 1 steel) material can no longer meet the elevated demands of customers. Consequently…
View article: Study on High-Temperature Constitutive Model and Plasticity of the Novel Cr-Mo-V Hot-Work Die Steel Forging
Study on High-Temperature Constitutive Model and Plasticity of the Novel Cr-Mo-V Hot-Work Die Steel Forging Open
In response to the increasingly strict performance requirements of large molds, a novel Cr-Mo-V hot-work die steel has been developed. In order to study the high-temperature hot deformation behavior and plasticity of the novel steel, hot c…
View article: Influence of solid solubility and twin crystals on the deformation mechanism of nano single crystal Cu/Al2Cu/Al interface Configuration: A molecular dynamics simulation
Influence of solid solubility and twin crystals on the deformation mechanism of nano single crystal Cu/Al2Cu/Al interface Configuration: A molecular dynamics simulation Open
This paper systematically investigates the tensile deformation behavior of copper-aluminum laminated composites with nano single crystal Cu/Al2Cu/Al interface configuration. using molecular dynamics (MD) simulation. The influence of solid …
View article: Molecular dynamics study on the deformation mechanism of Cu–Zr/Al laminated composites
Molecular dynamics study on the deformation mechanism of Cu–Zr/Al laminated composites Open
In this paper, molecular dynamics simulation was used to investigate the micromechanical behavior of the Cu–Zr/Al composite interface after rapid solidification. The effects of different Zr contents and different strain rates on the tensil…
View article: Microstructure and properties of C18150 Cu/8011 Al/C18150 Cu laminated composites
Microstructure and properties of C18150 Cu/8011 Al/C18150 Cu laminated composites Open
In order to solve the problem of insufficient strength and electrical conductivity of Cu–Al composites, C18150 Cu/8011 Al/C18150 Cu composites with a thickness of 1.6 mm were fabricated by cast rolling method in this paper, followed by col…
View article: Interatomic potential of the MgAl2O4/Al interface and its application in strengthening mechanisms
Interatomic potential of the MgAl2O4/Al interface and its application in strengthening mechanisms Open
MgAl2O4 ceramics possess outstanding mechanical properties, making them promising for use as reinforcing or interfacial modulating phase in Al-based metal composites. The challenge lies in the insufficient interatomic potential parameters …
View article: Effect of Cold‐Rolling Deformation on Texture Evolution and Tensile Properties of Titanium Foil for Hydrogen Fuel Cell
Effect of Cold‐Rolling Deformation on Texture Evolution and Tensile Properties of Titanium Foil for Hydrogen Fuel Cell Open
Preparation of a titanium foil with weak anisotropy is of great significance for the development of bipolar plate materials for hydrogen fuel cell. However, the titanium foil obtained by rolling deformation often suffer from a severe defor…
View article: Texture characteristics and tensile deformation behavior of Cu/Al layered composites prepared by cast-rolling method
Texture characteristics and tensile deformation behavior of Cu/Al layered composites prepared by cast-rolling method Open
The cast-rolling composite method was used to create a Cu/Al layered composites with thickness of 5 mm. The organizational structure, and strain distribution of the composites, were characterized using SEM, TEM, and EBSD. The mechanical ch…
View article: In-Situ Observation and Analysis of the Evolution of Copper Aluminum Composite Interface
In-Situ Observation and Analysis of the Evolution of Copper Aluminum Composite Interface Open
To study the micromorphology and dynamic evolution law of copper aluminum composite interface evolution, ultra-high temperature laser Confocal microscopy (CLSM) was used to observe and analyze the evolution of copper aluminum interface in …
View article: Revealing the influence of solute segregation on the stability and strength of Cu Σ11 [110](113) symmetrical tilt grain boundary via first-principles investigation
Revealing the influence of solute segregation on the stability and strength of Cu Σ11 [110](113) symmetrical tilt grain boundary via first-principles investigation Open
The stability and strength of the grain boundary (GB) structure are critical for the practical application of nanocrystals. This study systematically calculates the impact of the segregation of 26 transitional alloy elements on Cu Σ11 [110…
View article: Effect of Al<sub>2</sub>Cu constituent layer thickness discrepancy on the tensile mechanical behavior of Cu/Al<sub>2</sub>Cu/Al layered composites: a molecular dynamics simulation
Effect of Al<sub>2</sub>Cu constituent layer thickness discrepancy on the tensile mechanical behavior of Cu/Al<sub>2</sub>Cu/Al layered composites: a molecular dynamics simulation Open
Nano-polycrystalline Cu/Al 2 Cu/Al layered composites with different layer thicknesses d of single-crystal Al 2 Cu constituent are constructed. The effects of d on the strength and fracture modes of nano-polycrystalline Cu/Al 2 Cu/Al layer…
View article: Effect of deep cryogenic treatment on the microstructure and mechanical properties of Al–Cu–Mg–Ag alloy
Effect of deep cryogenic treatment on the microstructure and mechanical properties of Al–Cu–Mg–Ag alloy Open
Effect of deep cryogenic treatment (DCT) on the aging behavior and tensile properties of Al–Cu–Mg–Ag alloy was investigated. Results show that DCT of Al–Cu–Mg–Ag alloy produces plastic deformation of about 0.2% and high-density dislocation…