Exploration of Collector Materials in High-Power Microwave Sources

Liang, Yuqin; Sun, Jun; Huo, Shaofei; Shao, Hongxia; Chen, Changhua; Zhang, Xiaowei; Zhang, Yuchuan; Wu, Ping; Chen, Yibing

doi:10.1109/tps.2018.2792905

Cited by 19 publications

(6 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Compared with stainless steel, copper, molybdenum, and tungsten, titanium shows good resilience. Therefore, the theoretical results indicate that titanium is a promising material that can be used in HPM equipment [1]. However, this research is only an analysis based on theoretical research, and no experiment is used to verify the conclusion.…”

Section: Introductionmentioning

confidence: 93%

Preparation Method of High Resilience Nonslip Basketball Sole Composite Material

Wang

Liu

Zhang

2022

Journal of Nanomaterials

View full text Add to dashboard Cite

Today, with the gradual improvement of material living standards, basketball is becoming more and more popular, and the pursuit of sports protection and shoes performance is also getting higher and higher. A good pair of basketball shoe soles can help athletes solve these problems. This article is aimed at studying the preparation of basketball shoe soles made of high resilience and nonslip composite materials. Under this research topic, this paper proposes a method for the design of shoe sole antislip pattern and the measurement method of composite material’s resilience performance and a 3D printing method based on FDM technology to print the shoe sole. At the same time, an experiment was designed to explore the high resilience and antislip performance of the sole. And the stability of printing technology is analyzed to ensure the quality of sneaker printing. The experimental results in this article show that the antislip performance of the sole printed by the above method design has been improved by 31%, and the rebound capacity has been improved by 44%. At the same time, the rebound time is significantly shorter than that of several common basketball shoes on the market.

show abstract

Section: Introductionmentioning

confidence: 93%

Preparation Method of High Resilience Nonslip Basketball Sole Composite Material

Wang

Liu

Zhang

2022

Journal of Nanomaterials

View full text Add to dashboard Cite

show abstract

“…2.1. Regulation of grain size of titanium Titanium is widely used in the manufacture of RBWOs due to its high mechanical strength and excellent resistance to electron bombardment [29]. In addition, titanium with smaller grain size is likely to increase in grain size after being heated [30][31][32].…”

Section: Materials Preparation and Fee Testsmentioning

confidence: 99%

Experimental study on the influence of grain boundary on breakdown in relativistic backward wave oscillator

Tan,

Wu,

Sun

et al. 2023

Phys. Scr.

Self Cite

View full text Add to dashboard Cite

The presence of radio frequency (RF) breakdown seriously degrades the performance of relativistic backward wave oscillator (RBWO) and affects its lifetime. In this paper, the influence of grain boundary on RF breakdown in an X-band RBWO has been experimentally investigated. Firstly, titanium with different grain sizes has been prepared using a high-temperature annealing method before its field emission characteristics are studied by a field emission test system. The experimental results indicate that the segregation effect of the impurities at the position of the grain boundary may become more pronounced as the grain size increases, which results in a significant improvement in the field emission performance of titanium. A high-power microwave experimental platform is then set up, and the influence of the grain boundary of titanium on RF breakdown has been revealed. The shortening of the microwave pulses is more serious with the increase of the grain size, and the corresponding breakdown traces appearing in the high-frequency structures become more apparent. Therefore, developing fine-grained and single-crystal metallic materials may be an important method for suppressing RF breakdown in RBWOs.

show abstract

“…Considering the difficulty of transient temperature measurement, some researches paid more attention to electron incident depth and resistance to thermal destruction of the anode materials [7,10,16,17]. They simulated the process that IEBs bombard on different simple materials, the results show that the accelerating voltage and the material properties, such as atomic number, atomic mass, and density of the material, affect the depth-energy relationship [7,10].…”

Section: Introductionmentioning

confidence: 99%

“…They simulated the process that IEBs bombard on different simple materials, the results show that the accelerating voltage and the material properties, such as atomic number, atomic mass, and density of the material, affect the depth-energy relationship [7,10]. Then the surface temperature rise can be calculated from the depthenergy relationship, current density, density and heat capacity of the material if diffusion, convection and heat radiation are neglected [7,10,16,17].…”

Section: Introductionmentioning

confidence: 99%

“…Graphite, titanium (Ti) and molybdenum (Mo) have different in atomic numbers, density, heat capacities, and melting points [10,16]. This results in different performances in heating effects of IEB to the anode material as well as diode characteristics [10,16,17]. To clearly figure out the influence of anode materials on the characteristics of the diode, in this work, three simple materials are respectively used as anodes in an IEB diode.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effects of anode material on the evolution of anode plasma and characteristics of intense electron beam diode

Ye¹,

Wu²,

Hong

et al. 2023

Plasma Sci. Technol.

Self Cite

View full text Add to dashboard Cite

In this paper, three kinds of materials, graphite, titanium (Ti) and molybdenum (Mo) are respectively used as anodes to figure out the influence factors of anode material on the characteristics of the intense electron beam diode. The results point out that the characteristics of diode are mainly determined by the cathode plasma motion under a 15 mm diode gap, in which the typical electron beam parameters are 280 kV, 3.5 kA. When the diode gap is reduced to 5 mm, the voltage of the electron beam reduces to about 200 kV, and its current increases to more than 8.2 kA. It is found by calculation that the surface temperatures of Ti and Mo anodes are higher than their melting points. The diode plasma luminescence images show that Ti and Mo anodes produce plasmas soon after the bombardment of electron beams. Ti lines and Mo lines are respectively found in the plasma composition of Ti and Mo anode diodes. Surface melting traces are also observed on Ti and Mo anodes by comparing the micromorphologies before and after bombardment of electron beam. These results suggest that the time of anode plasma generation is closely related to anode material. Compared with graphite, metal Ti and Mo anode are more likely to produce large amounts of plasma due to their more significant temperature rise effect. According to the moment that anode plasma begins to generate, the average expansion velocities of cathode and anode plasma are estimated by fitting the improved space-charge limited flow model. This reveals that generation and motion of the anode plasma significantly affect the characteristics of intense electron beam diode.

show abstract

Exploration of Collector Materials in High-Power Microwave Sources

Cited by 19 publications

References 16 publications

Preparation Method of High Resilience Nonslip Basketball Sole Composite Material

Preparation Method of High Resilience Nonslip Basketball Sole Composite Material

Experimental study on the influence of grain boundary on breakdown in relativistic backward wave oscillator

Effects of anode material on the evolution of anode plasma and characteristics of intense electron beam diode

Contact Info

Product

Resources

About