2024 High current pulsed electron beam

High current pulsed electron beam

Author: uytf

August undefined, 2024

Web26 de dez. de 2024 · chromium by high current pulsed electron beam treatment Chen Li, Qingfeng Guan, Jie Cai et al.-Compounded Surface Modification of ZK60 Mg Alloy by High Current Pulsed Electron Beam+Micro-plasma Oxidation Gao Bo, Hao Yi, Tu Ganfeng et al.-High-energy density beams and plasmas for micro- and nano-texturing of surfaces … Web28 de mai. de 2024 · High-current pulsed electron beam sources are the core components of high-power microwave systems. In order to meet the requirements of future applications, one needs to improve the performance of electron beam sources in terms of vacuum insulation, beam transportation, and thermal management. In this paper, we …

A high-current micro-pulse electron gun - IEEE Xplore

Web5 de ago. de 2024 · The “Flash II” electron beam accelerator is a low-energy, high-current pulsed relativistic electron beam accelerator, which is used to simulate the thermo … WebAfter high current pulsed electron beam treatment, many cracks are found on surface. The main reason is possibly due to the quasi-static thermal stresses accumulated along … travel insurance skiing japan

High Current Pulsed Electron Beam Generator - IEEE Xplore

WebMicrostructures of CuCr25 and CuCr50 alloys treated by high current pulsed electron beam (HCPEB) were investigated in this work. The microstructure and solidification behavior of the Cr-rich phases were characterized by scanning electron microscopy (SEM). Results show that a remelting layer of 3~5 μm is formed on the surface of Cu-Cr alloys. Web1 de dez. de 2012 · @article{Li2012DevelopmentMO, title={Development mechanism of cathode surface plasmas of high current pulsed electron beam sources for microwave irradiation generation}, author={Limin Li and Lei Lei Chang and L Zhang and Jinliang Liu and G. Chen and Jianchun Wen}, journal={Laser and Particle Beams}, year={2012}, … WebLimits of the electron beam density in the focus are eval-uated. As it shown, the maximal beam density is achiev-able in the relativistic vacuum diode with the needle anode. In such a device, the initial emittance of a beam is rather small. The electron beam gains emittance while being fo-cused with positive ions into the anode due to collisions travel i portugal

Coatings Free Full-Text Studies on the Thermodynamic …

Microstructural Modification of Brush-Plated Nanocrystalline Cr by High ...

Web12 de dez. de 2024 · Although the SC effect occurs under high charge conditions, a component of the interference fringe remained. Consequently, despite the high current density, the pulsed electron beam emitted from the PC has sufficient coherence to realize time-resolved holography that can be used to temporally analyze phase information. WebHigh-current pulsed electron-beam (PEB) treatment was applied as a surface finishing procedure for Ti–35Nb–7Zr–5Ta (TNZT) alloy produced by electron beam melting … travel insurance korea and japanWebThe characterization of a high current, relativistic electron beam, designated the Super Pinch electron beam, has been performed using compact pulsed-power accelerators of … travel iron uk

"WebThe thermal imaging diagnostics of measuring pulsed electron beam energy density is presented. ... Thermal imaging diagnostics of high-current electron beams Rev Sci Instrum. 2012 Oct;83(10):103301. doi: 10.1063/1.4756689. Authors A Pushkarev 1 , G Kholodnaya, R Sazonov, D Ponomarev. Affiliation 1 Tomsk ... " - High current pulsed electron beam

High current pulsed electron beam

Formation of Residual Stresses in the Surface Layers of ... - Springer

Web15 de set. de 2009 · @misc{etde_21485935, title = {Irradiation effect of high current pulsed electron beam on surface structure and mechanical properties of NiCoCrAlY} author = {Zhong, Wang, Xianxiu, Mei, Cunxia, Wang, Wenfei, Sun, Shengzhi, Hao, Ying, Qin, Chuang, Dong, and Hongchen, Wu} abstractNote = {DZ4 substrates were coated … Web26 de dez. de 2024 · chromium by high current pulsed electron beam treatment Chen Li, Qingfeng Guan, Jie Cai et al.-Compounded Surface Modification of ZK60 Mg Alloy by …

Did you know?

http://faculty.dlut.edu.cn/aiminwu/en/lwcg/736388/content/319641.htm Web13 de abr. de 2024 · In O-type devices an electron beam drifts in the same direction as the applied magnetic field. Among them, the O-type slow-wave devices use the axial slow …

Web28 de mai. de 2024 · High-current pulsed electron beam sources are the core components of high-power microwave systems. In order to meet the requirements of … Web12 de set. de 2024 · Abstract. In experiments on ion acceleration in the Katran pulsed high-current relativistic electron beam generator with output voltage U ≤ 250 kV and current …

Web10 de jun. de 2024 · Abstract. X-ray diffraction analysis, optical metallography, and transmission electron microscopy demonstrated that irradiation with high-current pulsed electron beams in the melting mode leads to formation of residual compressive stresses and a finely dispersed globular-lamellar microstructure (the α, α', and α'' plates being … Web3 de nov. de 2024 · The high-current pulsed electron beam (HCPEB) is a new type of energy-carrying beam surface modification technology that has been developed in recent years [22,23,24]. An electron beam with high energy density can achieve a target heating rate as high as 10 9 K/s in a short pulse of microseconds.

Web23 de mai. de 2010 · The typical requirement of high brightness electron beams for accelerator applications like short wavelength Free-Electron Lasers (FELs) in the X-UV …

Web27 de abr. de 2004 · Physical models and numerical simulations are used to describe the thermal-mechanical process induced by high current pulsed electron beam (energy … travel jamaica c5Web14 de abr. de 2024 · Optical drive. A VSe 2 nanosheet was attached on a horizontal polished sapphire substrate via mechanical exfoliation (ME) method, and it was … travel jakarta cilacapWebthe high voltage and high current pulse & electron beam in conjunction with field emission type electron beam gun for HPM generation using microwave device like VIRCATOR are described. The main sub-systems of this accelerators are (i) 1.5 MV, 25 kJ Marx generator, (ii) 1 MV, 5 kJ, 100 ns Blumlein type pulse forming line (PFL), 1MV SF travel jamaica authorizationWebinteraction of pulsed electron beams of moderate power density with metals, are far from being solved completely. The electron guns with an anode and an explosive-emission cathode are the most appropriate systems for the production of high-current pulsed electron beams (Li et al., 2008c, 2009e; Tarasenko et al., 2008). The beam power is travel jakarta cirebon jawa baratWeb5 de ago. de 2024 · The “Flash II” electron beam accelerator is a low-energy, high-current pulsed relativistic electron beam accelerator, which is used to simulate the thermo-mechanical effects caused by the interaction between X-rays and materials in nuclear explosions. Four impulse probes are mounted on the bracket in the drift tube. travel jambi sarolangunWeb13 de mar. de 2024 · The paper presents the results of the structure and properties modification of 20Cr23Ni18 (AISI 310) high chrome austenitic stainless steel after the exposure to the low energy high current pulsed electron beam (LEHCPEB) irradiation. The AISI 310 is used to manufacture machine components and mechanisms operating at … travel jakarta sukabumi door to doorWeb8 de nov. de 2024 · High-current pulse electron beam (HCPEB) is an advanced surface modification technology developed in recent decades. This paper focuses on the effect of 0.3 wt.% graphene on the electrical conductivity and microhardness of HCPEB-treated Al-20TiC composites. The SEM results show that the titanium carbide was uniformly … travel jamaica