High current pulsed electron beam

Author: wkxs

August undefined, 2024

Webinteraction 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 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 Generator - IEEE Xplore

WebKeywords: high-current pulsed electron beam; heat-a ected zone; shock wave; thermal stress wave; grain reﬁnement 1. Introduction As an advanced surface modiﬁcation technique, high-current pulsed electron beam (HCPEB) technology has attracted scholarly attention in the ﬁeld of material surface modiﬁcation owing to the Web14 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 … significance of the 13 14 15 amendments

Hot Corrosion Behavior of Arc Ion Plating NiCoCrAlYSiHf Coating Via ...

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 … Web1 de mar. de 2009 · High current pulsed electron beam (HCPEB) is a fairly new technique for surface modifications, including hardening, alloying and formation of metastable … Web1 de ago. de 2001 · The electron beam source, the main part of the system, produces an electron beam of low energy (10–40 keV), of high current (10 2 –10 3 A / cm 2), and with … significance of the 7 year war

Temperature–stress fields and related phenomena induced by a …

Low energy high current pulsed electron beam treatment for …

Web8 de out. de 2003 · We study in this article the formation mechanism of craters on a metal surface during the high current pulsed electron beam processing. Based on experimental investigations and a physical model, the melting process and their temperature profiles are simulated for substrates of aluminum and steels. Initial melting positions, crater depths, … 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 … the punisher arcade game free downloadWeb1 de ago. de 2016 · In order to realize a uniform high current pulsed electron beam irradiation for a circular component, we designed an annular cathode for HCPEB … the punisher amy bendix

"Web1 de jul. de 2024 · High-current pulsed electron-beam (PEB) treatment was applied as a surface finishing procedure for Ti–35Nb–7Zr–5Ta (TNZT) alloy produced by electron … " - High current pulsed electron beam

High current pulsed electron beam

http://faculty.dlut.edu.cn/aiminwu/en/lwcg/736388/content/319641.htm 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 …

Did you know?

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 … Web30 de jan. de 2003 · It can produce electron beam of low-energy (10–40 keV), high peak current (10 2 –10 3 A/cm 2 ), short pulse duration (5 μs), and high efficiency (repeating pulse interval being 10 s). The electron beam is generated by an explosive emission …

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 … WebHigh Current Pulsed Electron Beam Generator. Abstract: A review is given of a simple and economical method of generating high current electron beams in the range of a …

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 … Web22 de nov. de 2024 · Commercial TiAlN-coated carbide tools were post-treated using the high current pulsed electron beam irradiation method. The influence of the energy …

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-wave structure to achieve electron beam clustering and beam interaction. Both beam-forming methods are based on the conversion of a circular electron beam from a conventional …

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-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. the punisher amy stuck in windowWebThe characterization of a high current, relativistic electron beam, designated the Super Pinch electron beam, has been performed using compact pulsed-power accelerators of … significance of the alabaster boxWeb12 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 … significance of the 17th amendmentWeb12 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 … significance of the anatomical snuffboxWebHigh current pulsed electron beam (HCPEB) is a new type of surface modification technology [19, 20, 21]. During the instantaneous process of HCPEB bombardment, the higher energy (10 7 –10 9 W/cm 2 ) acts on the surface of the material in a very short time (several microseconds), resulting in extremely rapid heating, cooling, melting, and even … significance of the 4th of julyWeb1Beam Technology Development Group, Bhabha Atomic Research Centre, Mumbai India-400085 Abstract High current intense electron beams were investigated earlier for Flash X-rays and nuclear electromagnetic pulse generation. Starting with moderate parameters of 200 kV, 6 kA, 60 ns pulsed electron beam source from a system significance of the alamo in us historyWebAfter 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 the surface of the specimens during the electron beam treatment. The surface grain grow from Cr particles because of heating by electron beam, and their size is less than 200nm. significance of the albany congress