A5101616293- Ferroelectric and Piezoelectric Materials
- Acoustic Wave Resonator Technologies
- Microstructure and mechanical properties
- Numerical methods in engineering
- Microstructure and Mechanical Properties of Steels
- Multiferroics and related materials
- Nonlocal and gradient elasticity in micro/nano structures
- Composite Structure Analysis and Optimization
- Fusion materials and technologies
- Fatigue and fracture mechanics
- Quantum Chromodynamics and Particle Interactions
- High-Velocity Impact and Material Behavior
- Calcium Carbonate Crystallization and Inhibition
- Rock Mechanics and Modeling
- Metallic Glasses and Amorphous Alloys
- Advanced materials and composites
- Thermoelastic and Magnetoelastic Phenomena
- Nuclear Materials and Properties
- Industrial Gas Emission Control
- Geotechnical Engineering and Underground Structures
- Electronic and Structural Properties of Oxides
- Adhesion, Friction, and Surface Interactions
- High Temperature Alloys and Creep
- High Entropy Alloys Studies
- Electromagnetic Effects on Materials
Foshan University
2022-2024
Huazhong University of Science and Technology
2012-2022
State Key Laboratory of Power System and Generation Equipment
2021
Tsinghua University
2021
Harbin Engineering University
2017
Beijing Institute of Technology
2011-2012
Institute of Process Engineering
2011
Guizhou Electric Power Design and Research Institute
1992
Brooklyn College
1989
City University of New York
1989
Abstract As a weak link between aggregate and mortar in concrete, interfacial transition zone (ITZ) usually plays key role concrete fracture. To investigate the tensile fracture property of affected by mechanical properties ITZ numerically, geometrical models heterogeneous were established with parameterization modeling. They include three phases, namely, mortar, ITZ, randomly distributed aggregates distinct sizes orientations. The cracking behaviors characterized bilinear cohesive...
We propose a kind of square porous-core photonic crystal fiber (PCF) for polarization-maintaining terahertz (THz) wave guidance. An asymmetry is introduced by implementing rectangular array air holes in the porous core PCF, and ultrahigh birefringence low effective material loss (EML) can be achieved simultaneously. The properties THz propagation are analyzed numerically detail. numerical results indicate that proposed offers high 0.063 EML 0.081 cm−1 at 1 THz. Moreover, very flattened...
Domain evolution of a single crystalline BaTiO3 thin film, initially possessing two vortex-antivortex pairs, placed under compressive displacement loading with constant strain rate, is simulated using molecular dynamics method based on the shell model. The details, including relative motion and collision between vortices antivortices their annihilation, are carefully observed, both movement velocity equilibrium time after annihilation estimated. When pairs annihilate, polarization...
Calcite is the most stable crystalline phase of calcium carbonate. It applied or found in composite products, food industry, biomineralization, archaeology, and geology, its mechanical properties have attracted more attention. In this paper, behaviors single-crystal calcite under uniaxial tension different directions were simulated with molecular dynamics method. The obtained elastic moduli are good agreement experimental results. has been from further research that typical quasi-brittle...
Abstract The linear micromorphic electroelastic theory is proposed to solve bending problems of piezoelectric micro-beam in this paper. basic governing equations with the boundary conditions are derived through variational principle. Both cantilever subjected a concentrated load at free end and simply supported distributed analyzed. It found that predictions from remarkably different those classical when thickness approximate or equal characteristic length scale parameter, but their...
As a clean fuel combustion technology, the circulating fluidized bed (CFB) has been developed rapidly in recent years, but one of its disadvantages is high N2O emissions. With implementation increasingly strict pollution control standards, decomposition and removal technologies have become main focus current research. This paper reviews latest research on noble metals, metal oxides, molecular sieve other new catalysts methods for removal. The functions are compared existing problems...
Transformation-based cloaks prescribing infinitesimal and infinite material parameters are difficult to be realized in practical applications. However, the underlying theory of electromagnetic transformation can used various applications, such as radar cross section (RCS) reduction. In this letter, we examine scattering characteristics a metallic object coated with layered isotropic materials derived from electromagnetics. The proposed structure viewed an imperfect cloak, which, however,...
The deformation behavior and grain boundary (GB) response of nanocrystalline Ni under cyclic shear loading are investigated by molecular dynamics simulations. GB migration hysteresis phenomenon, in which the displacement lags behind change nominal strain, is observed symmetric tilt GBs for first time. elementary structure transformation occurring at two end segments during produces a disordered irreversible state, while middle segment reversible. Both dislocation retraction nucleation occur...