A5048119198- Fusion materials and technologies
- Advanced Sensor and Energy Harvesting Materials
- Nuclear Materials and Properties
- Magnetic confinement fusion research
- Advanced Materials and Mechanics
- Thermal Radiation and Cooling Technologies
- Advanced materials and composites
- Advanced Thermoelectric Materials and Devices
- Nanomaterials and Printing Technologies
- Polymer composites and self-healing
- Cellular and Composite Structures
- Microstructure and mechanical properties
- Advanced MEMS and NEMS Technologies
- Neurobiology and Insect Physiology Research
- Additive Manufacturing Materials and Processes
- Tactile and Sensory Interactions
- Pain Mechanisms and Treatments
- Metal and Thin Film Mechanics
- Powder Metallurgy Techniques and Materials
- Nuclear Physics and Applications
- Non-Invasive Vital Sign Monitoring
- Acoustic Wave Phenomena Research
- Nuclear reactor physics and engineering
- Superconducting Materials and Applications
- Neuroscience and Neural Engineering
Advanced Technology & Materials (China)
2014-2024
University of Electronic Science and Technology of China
2022
Beihang University
2017-2020
Abstract Thermal management of wearable electronics integrated with biological tissues remains one the critical challenges for their practical applications. The undesired heating can cause thermal discomfort or even damage to tissues. Here, a novel protecting substrate design is proposed abilities manipulate heat flow and efficiently absorb excessive energy without compromise flexibility. features functional soft composite, which incorporates embedded phase change material thin metal film on...
The first EAST (Experimental Advanced Superconducting Tokamak) plasma ignited in 2006 with non-actively cooled steel plates as the plasma-facing materials and components (PFMCs) which were then upgraded into full graphite tiles bolted onto water-cooled copper heat sinks 2008. wall was changed further molybdenum alloy 2012, while keeping for both upper lower divertors. With rapid increase heating current driving power EAST, W/Cu divertor project launched around end of aiming at achieving...
As phase change functional polymer composites, polydimethylsiloxane (PDMS) and paraffin composites exhibit excellent performance on temperature dependent thermal mechanical properties. In this paper, PDMS/paraffin with uniform microstructure are prepared by the melting mixing method as filler PDMS matrix. The modification of components owns both advantages flexibility heat absorption capacity. Systematic experiments results performed to illustrate DSC specter, stress-strain curves other...
After commissioning in 2005, the EAST superconducting tokamak had been operated with its water cooled divertors for eight campaigns up to 2012, employing graphite as plasma facing material. With increase heating power over 20 MW recent years, heat flux going rises rapidly 10 m−2 steady state operation. To accommodate rapid increasing load EAST, bolting tile divertor must be upgraded. An ITER-like tungsten (W) has designed and developed; firstly used upper of EAST. The W is modular structure...
W/Cu flat-type plasma facing components (PFCs) were widely used in divertor of fusion device because its advantages, such as low cost, light weight and good machinability. However, it is very difficult to manufacture them due the large mismatch between thermo-mechanical properties W Cu. Institute Plasma Physics, Chinese Academy Sciences (ASIPP) has successfully developed PFCs for EAST project by hot isostatic pressing (HIP) technology. This paper presents development application at ASIPP....
Recently, the EAST W/Cu divertor components, including ITER-like monoblock units and flat-type units, have been developed by Institute of Plasma Physics, Chinese Academy Sciences (ASIPP) in collaboration with Advanced Technology Materials Co., Ltd. (AT&M). To detect bonding quality these multiple layer geometry plasma-facing components (PFCs) at each step their manufacture, special nondestructive testing techniques researched developed. For PFCs, both W-Cu Cu-CuCrZr interfaces was qualified...
W-(0, 0.1, 0.3, 0.5) wt.% Hf (mass fraction, wt.%) materials were fabricated by the powder metallurgy method and hot rolling. The microstructure, mechanical properties, high-temperature stability of alloys with varying compositions systematically studied. active element can react impurity O segregated at grain boundary to form fine dispersed HfO
Abstract This paper presents a flexible radio-frequency microelectromechanical system (RF MEMS) switch integrated on cyclo-olefin polymer (COP) substrate using modified surface MEMS processing technology, which could be used in the 17–19 GHz frequency band of satellite communication. Through systematic simulation analysis, it is found that RF can achieve certain bending radius by miniaturizing electronic dimension, without degrading performance. It demonstrated characteristics with special...
Abstract As thermal protection substrates for wearable electronics, functional soft composites made of polymer materials embedded with phase change and metal layers demonstrate unique capabilities the human skin. Here, we develop an analytical transient heat transfer model to investigate performance a electronic device substrate. The is validated by experiments finite element analysis (FEA). effects substrate structure size source power input on temperature management efficiency are...
A hot isostatic pressing (HIP) route has been developed by the Institute of Plasma Physics Chinese Academy Sciences in collaboration with Advanced Technology & Materials Co., Ltd. for bonding W/Cu tiles to Ni-electroplated CuCrZr heat sinks. During high-heat-flux testing, initial stage, Cu/Ni interfacial debonding was observed. Careful analyses indicated that oxidation during encapsulation HIP processing using tungsten inert gas (TIG) welding main cause limited fatigue lifetime. Copper...
Skin pain resulting from mechanical compression is one of the most common pains in daily life and indispensable information for electronic skin to perceive external signals. The stimuli are transduced into impulses transmitted via nerve fiber, finally, sensation perceived procession system. However, mathematical mechanism due remains unclear. In this paper, a model under established, which Flament solution, revised Hodgkin-Huxley model, gate control theory considered simultaneously. proposed...
Controlling and tuning thermal conductivities of composites, including changing the direction heat flux energy distribution, possesses significantly meaningful potential in many applications such as cloak, invisibility, protection so on. In this paper, a novel design composite metamaterial with periodic lattice structure, consisting metal layer (copper) stretchable polymer matrix (Ecoflex), owns ability to tune anisotropic conductivity through external strains. The parameters (such geometric...
Abstract Researchers have been studying the pain sensation extensively in past few decades. Quantitative simulation and theoretical modeling of based on experimental results are necessary for research. Many theories proposed to explain mechanism from molecular, cellular, neuron network perspectives. But some phenomena not fully understood, including wind-up ramp-off. This paper focused model ramp-off sensation. With addition transduction model, generation is better explained. The simulations...
Compared with other physiotherapy devices, epidermal electronic systems (EES) used in medical applications such as hyperthermia have obvious advantages of conformal attachment, lightness and high efficiency. The stretchable flexible electrode is an indispensable component. structurally designed inorganic has the advantage stable electrical properties under tensile deformation received enough attention. However, space between patterned electrodes introduced to ensure will inevitably lead...
In article number 1905470, Yuhang Li, Jizhou Song, and co-workers report a functional soft composite, which incorporates an embedded phase change material with thin metal film on the top in polymer, as thermal protection substrate for wearable electronics. Compared conventional substrates, proposed composite offers novel routes to manipulate heat flow absorb excessive energy, can reduce peak temperature increase by 85%.
Epidermal electronic systems (EESs) are a representative achievement for utilizing the full advantages of ultra-thin, stretchable and conformal attachment flexible electronics, extremely suitable integration with human physiological systems, especially in medical hyperthermia. The heater stable electrical characteristics uniform temperature field is an irreplaceable core component. inorganic has advantage maintaining under tensile deformation. However, space between patterned electrodes that...
With the construction and operation of nuclear fusion, spallation neutron source other large scientific devices, tungsten, as a refractory metal material with excellent properties, has become more important. In this paper, development sources in world is introduced, emphasis on requirements for tungsten target its research technology. Tungsten assembly China innovatively developed tantalum coated efficient heat dissipation structure, which solved technical problem generation cooling water...