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Transition from grain boundary migration to grain boundary sliding in magnesium bicrystals
In polycrystalline magnesium (Mg) and Mg alloys, as the grain size decreases, the grain boundary (GB) mediated plasticity including GB sliding and GB...
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Glide-reflection symmetric phononic crystal interface: variation on a theme
Nodal points can be artificially synthesized using glide-reflection symmetries at crystal interfaces. This property was first demonstrated for a...
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Plastic deformation of magnesium single crystal: a crystal plasticity coupled twinning phase field simulation
A crystal plasticity coupled twinning phase field (CP-TPF) model was developed to investigate the plastic deformation of magnesium (Mg) single...
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On physics of boundary vorticity creation in incompressible viscous flow
The present paper provides some arguments surrounding the controversies of boundary vorticity creation for incompressible viscous flow. Our...
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Grain boundary effects on spall behavior of high purity copper cylinder under swee** detonation
A series of swee** detonation experiments were conducted to study the grain boundary effects during the primary spallation of high-purity copper...
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Microstructure and creep properties of Al/Mg/Al composite clad plates
Due to their poor plasticity and corrosion resistance, as well as their flammability in the air, magnesium alloys are limited in large-scale...
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Seismic magnitude calculation based on rate- and state-dependent friction law
In the engineering related to seismic activities, such as shale gas extraction and EGS system, numerical simulation is a common research method. In...
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Falkner-Skan flow analysis for ohmic heated nanofluid toward moving surface with thermal jump
The analysis upon Falkner-Skan flows under the assumption of boundary layer has attracted more interests due to their widespread applications in the...
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Rarefaction effects on hypersonic boundary-layer stability
Near-space hypersonic vehicles could experience both continuous and rarefied flow regimes during the flight through atmosphere. The rarefaction...
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Effect of a filter cake on shear behavior of sand-concrete pile interface
A filter cake is often formed between soil and concrete during casting concrete in the ground, such as constructions of diaphragm walls and bored...
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Optimization mechanism of matrix microstructure evolution on strength-plasticity of Mg/Al composite plate during hard-plate accumulative roll bonding
Mg/Al composite plate combines the light weight of Mg alloy and the plasticity and corrosion resistance of Al alloy, which significantly enhances its...
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Three-dimensional characteristics of pressure waves induced by high-speed trains passing through tunnels
In this study, the sliding grid method is used to simulate a 350 km/h high-speed train passing through a 350 m standard single-line tunnel. The...
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Nonlinear size-dependent dynamic instability and local bifurcation of FG nanotubes transporting oscillatory fluids
Oscillation of fluid flow may cause the dynamic instability of nanotubes, which should be valued in the design of nanoelectromechanical systems....
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Effect of temperature on near-surface microstructural evolution in nanocrystalline metal under shear stress
Molecular dynamics simulations were used to investigate the temperature effect in the microstructural evolution of nanocrystalline Al-Mg-Si alloy...
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Vacuum deposited film growth, morphology and interfacial electronic structures of 2,7-dioctyl[1]benzothieno[3,2-b]benzothiophene (C8-BTBT)
Interfaces play critical roles in electronic devices and provide great diversity of film morphology and device performance. We retrospect the...
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Study on aerodynamic loads at the inlet’s cowl lip induced by multiple shock-shock interferences
For hypersonic vehicles powered by air-breathing propulsion, multiple shock-shock interferences (MSSI) tend to induce extreme aerodynamic loads at...
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Development of limestone calcined clay cement concrete in South China and its bond behavior with steel reinforcement
Limestone calcined clay cement (LC 3 ), consisting of ordinary Portland cement (OPC) clinker, calcined clay, limestone powder, and gypsum, has been...
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Deformational characteristics of sensor-enabled geobelts incorporating two failure modes in reinforced sand
Geobelt deformation is of significance when making prejudgments on potential failure planes in reinforced structures. A failure plane results from...
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Experimental study on bond behavior between BFRP bars and seawater sea-sand concrete
Combining fiber reinforced polymer (FRP) with seawater sea-sand concrete (SSC) can solve the shortage of river sand that will be used for marine...
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Real-time damage analysis of 2D C/SiC composite based on spectral characters of acoustic emission signals using pattern recognition
In this study, unsupervised and supervised pattern recognition were implemented in combination to achieve real-time health monitoring. Unsupervised...
