Bulk material deposition

20160506-40
Design, construction and preliminary results of a pulsed electron beam facility for surface modification of materials
Masud N. Naraghi, Steve Werkmeister, A. Egorov, Nirav Devchakke

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The object of the pulsed Electron beam designed in this work is to modify the surface layer of metals by melting through uniform adiabatic heating in the order of a few microseconds. With a maximum diameter of the beam 70 ...  read more

20160506-39
Deposition of metallurgical and dielectric coatings by electron beam and comparison with sputtering and thermal evaporation methods of coating
Masud N. Naraghi, Monark Suthar, Eugene Belkov, Michael Droney, Nirav Devchakke, Steve Werkmeister

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Torr International has made many electron beams systems for many applications such as hard coating, lift off and optical applications. The electron gun employed in e beam coating is with a 270 deg bent beam, in order for the ...  read more

20160506-38
Improved surface properties of nodular cast iron using electron beam remelting and alloying with nickel based additives
Anja Buchwalder, Normann Klose, Anne Jung, Rolf Zenker

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Surface remelting has been used for improving the tribological behaviour of components, e.g. camshafts, for many years. Growing demands for the simultaneous improvement of wear and corrosion resistance of components with complex ...  read more

20160506-37
Control of modified surface layer thickness in pulsed large-area EB irradiation
Akira Okada, Togo Shinonaga, Motohiro Inoue

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In pulsed large-area EB irradiation method, wide area of metal surface can be instantly melted and the surface roughness can be decreased efficiently. This finishing method is already applied to metal molds. In addition, the ...  read more

20160506-36
Pulsed electron beams for surface finish of laser or electron beam sintered metal articles
Anton D. Teresov, Nikolai N. Koval, Yuri F. Ivanov, Elizaveta A. Petrikova

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The paper presents research results on pulsed electron beam surface finish of porous metal articles obtained by selective powder sintering. On the example of VT6 alloy, it is shown that surface finish with a pulsed electron ...  read more

20160506-35
Effect of craters on deep hardening under pulsed electron beam
Thierry Grosdidier, Youssef Samih, Chuang Dong

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By comparing the behavior of two types of 316L stainless steels under the high current pulsed electron beam (HCPEB) irradiation treatment, it is demonstrated experimentally that the burst of eruptive craters through the surface ...  read more

20160506-34
The new condensed from vapor phase composite materials based on copper and their applications
Nikolay I. Grechanyuk, Vera G. Grechanyuk, Elena V. Khomenko, Igor N. Grechanyuk, Victor G. Zatovskii , Dmytro Kovalchuk

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The paper presents the method of electron beam vacuum evaporation and condensation for the most promising technologies of manufacturing modern composite materials, used in welding and switching equipment. This method currently ...  read more

20160506-33
Corrosion resistance of Ti-Ta-Nb and Ti-Ta-Zr coatings fabricated on VT14 Titanium alloy substrates using electron beam injected into the atmosphere
Vitaliy V. Samoylenko, Igor A. Polyakov, Mikhail G.Golkovski, Nikolay K. Kuksanov, Olga G. Lenivtseva, Ilya S. Ivanchik

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In this study corrosion resistance of the coatings obtained on VТ14 (4% Al, 3% Mo, Ti – the rest) titanium alloy substrates using focused electron beam with an energy of 1.4 MeV injected into the atmosphere was discussed. ...  read more

20160506-32
Improving the load capacity of thermal spray coatings on different substrate materials by EB profiling
Philipp Hengst, Rolf Zenker, Tilo Süß, Klaus Hoffmann

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Thermal spray coatings are used in different fields of application. The combination of different coating materials with diverse thermal spraying processes enables the use of these technologies in a wide field of applications. ...  read more