A5100340134- Metal Forming Simulation Techniques
- Metallurgy and Material Forming
- Laser and Thermal Forming Techniques
- Electromagnetic Effects on Materials
- High-Velocity Impact and Material Behavior
- Microstructure and mechanical properties
- GaN-based semiconductor devices and materials
- Iron and Steelmaking Processes
- Tribology and Wear Analysis
- Advanced Surface Polishing Techniques
- Engineering Applied Research
- Thermochemical Biomass Conversion Processes
- Non-Destructive Testing Techniques
- Fiber-reinforced polymer composites
- Metal and Thin Film Mechanics
- Electromagnetic Launch and Propulsion Technology
- Power Line Inspection Robots
- Mining and Gasification Technologies
- Microfluidic and Bio-sensing Technologies
- Refrigeration and Air Conditioning Technologies
- Heat Transfer and Optimization
- Semiconductor Lasers and Optical Devices
- Granular flow and fluidized beds
- Carbon Nanotubes in Composites
- Lubricants and Their Additives
Huazhong University of Science and Technology
2016-2025
Wuhan National Laboratory for Optoelectronics
2014-2023
Sichuan Agricultural University
2023
Xi'an Jiaotong University
2023
Nanchang Hangkong University
2023
Guangzhou Academy of Fine Arts
2022
East China Jiaotong University
2020
National Engineering Research Center of Electromagnetic Radiation Control Materials
2019
State Key Laboratory of Advanced Electromagnetic Engineering and Technology
2019
South Dakota School of Mines and Technology
2012-2013
Magnetic manipulation is very promising for the motion control of micro- and nano-objects, which has wide applications in mixing, trapping, colloidal assembly object transport, recent progress these areas reviewed this work.
Applying the 10-kWt tower-type solar field, a novel latent heat integrated solar-driven fluidized bed reactor is developed for low-rank coal gasification. Based on decoupling strategy to analyze solar-thermal-chemical process in complicated 3D reactor, current work focuses thermo-chemical response inside reaction chamber. Employing equivalent heating boundaries obtained by pre-study, numerical model of which simulates detailed gasification chamber, formulated and validated with literature...
To increase the deformation depth of a tube in an electromagnetic forming system, triple-coil system was proposed and analyzed this paper. The consisted three coils, which one coil placed middle plane, whereas other two coils connected series were at either end tube. first type used for radial expansion, second applied to introduce additional axial force process. These types energized by independent pulsed capacitor banks improving Lorentz distribution As proof concept, numerical simulations...
Low light efficiency and poor angular color uniformity (ACU) are the key challenges of chip-on-board packaging light-emitting diodes (LEDs). In this paper, we demonstrate a phosphor geometry, its controlling method for enhancing optical performance LEDs, fabrication flexibility, availability validated by experiments, effect on is analyzed simulations experiments. The simulation results show that compared with conventional flat cylindrical tuber geometry can effectively improve ACU,...
Alcohols are reported to have superlubricity at low loads during sliding; however, their lubricity under high has rarely been reported. Meanwhile, the lubrication mechanism of alcohols is still not well understood. Here, we first report methanol 98 N and 1450 rpm demonstrate formation graphene fullerene-like nanostructures induced by tribochemical reactions. Results show that was mainly attributed friction-induced boundary condition. Besides that, wear rate a YG8 hard alloy ball occurred...
By exploiting the potential advantages of electromagnetic forming, a comprehensive approach has been developed for large sheet metal forming. In this study, was applied to form an aluminum alloy into partial-ellipsoid shape. The is with diameter 1378 mm, and thickness 3.945 mm. Compared conventional forming process, facility very light-weight, following dimension: width 1840 length height 1800 An experiment performed evaluate quality obtained by proposed facility. profile formed measured...
In this paper, pulsed attractive electromagnetic force between two coils has been introduced for supplying blank holding in sheet metal forming process. First, the requirements on and constraint conditions system were specified. Then, a design flow of coil fulfilling was presented. Based design, prototype holder fabricated. Numerical experimental investigations carried out to validate feasibility designed system. Results show good agreement measured simulated results discharge currents...
How to generate strong enough electromagnetic forces in the forming process is an important issue for sheet forming. For this purpose, axially movable system was designed, fabricated, and tested. To validate effectiveness of system, a series experiments on AA1060 with diameter 440 mm thickness 3 has been carried out. A pulsed magnet inner 100 outer 200 used drive sheet. capacitor bank power supply (200 kJ/25 kV/640 μF) energize coil. The experimental results have shown that maximum...
Nanopore sensor technology is widely used in biomolecular detection due to its advantages of low cost and easy operation. In a variety nanopore manufacturing methods, controlled dielectric breakdown has the simple process under premise ensuring performance. this paper, we have made enhancements applied pulses utilized improved technique fabricate silicon nitride nanopores with diameters 5 15 nm. Our fabrication method offers advantage precise control over diameter (±0.4 nm) enhances symmetry...
In recent years, due to the fast development of high power light-emitting diode (LED), its lifetime prediction and assessment have become a crucial issue. Although in situ measurement has been widely used for reliability testing laser community, it not applied commonly LED community. this paper, an online method life projection under accelerated test was proposed prototype built. The optical parametric data were collected. systematic error measuring uncertainty calculated be within 0.2% 2%,...
Electromagnetic forming (EMF) is a promising metal-forming process for complex geometrical shape and light-weight construction. Ring expansion one of the basic EMFs wherein workpiece under nearly uniform tensile stress. The final strains rings at different discharge voltages are measured. It found that strain increases with voltage. can exceed maximum in ASTM standard tension test when voltage higher than 8 kV, it has largest improvement 53% 9 kV. Vickers hardness also measured each Also,...
Electromagnetic forming (EMF), due to its advantages of light-equipment, single-side die, improved formability, reduced wrinkling, lower spring-back, and so on, is high potential for shaping large sheet metal parts in aviation aerospace industries, which are generally relative expensive difficult be formed with conventional process. By exploiting the benefits EMF, required cost can reduced, quality improved. Until now, however, EMF still under-developed, highly attributed limited capability...
Electrically-assisted manufacturing (EAM) is an emerging metal-manufacturing process which promising in the automotive and aerospace industries. The based on electroplastic effect that supposed to reduce stress needed forming improve ductility of metal. In this paper, we develop measurement system study A5083 aluminum alloy. And effects current density pulse width electroplasticity are preliminary investigated.