Results 31 to 40 of about 2,384 (206)
Shrinkage phenomena in silumins when treated with long‑acting modifiers
Литьë и металлургия, 2022 The influence of various modifying additives on the shrinkage porosity of silumins and the tightness of castings is considered. A comparative assessment of the modification of the shrinkage components in the resulting blanks was carried out.
A. A. Andrushevich, M. A. Sadokha
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Electron-ion-plasma surface modification of hypereutectic silumin
Izvestiya. Non-Ferrous Metallurgy, 2023 In this study, an integrated treatment approach was employed to modify hypereutectic silumin. This method involved electroexplosive alloying of the surface layer with yttrium oxide powder, followed by irradiation with a pulsed electron beam.
Y. Shliarova +4 more
semanticscholar +1 more source
Modification of Al-10Si-2Cu alloy surface by intensive pulsed electron beam
Journal of Materials Research and Technology, 2020 The study reports on the electron-beam processing (energy of accelerated electrons 17 keV, electron beam energy density ES = 10, 20, 30, 40, and 50 J/cm2, pulse duration 50 and 200 μs) of Al-10wt%Si-2wt%Cu alloy (silumin) surface.
Sergey Konovalov +4 more
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Modification of the sample's surface of hypereutectic silumin by pulsed electron beam [PDF]
, 2016 The article presents the results of the analysis of the elemental and phase composition, defect substructures. It demonstrates strength and tribological characteristics of the aluminium-silicon alloy of the hypereutectic composition in the cast state and
Astashinskay, M. V. +7 more
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Закономерности формирования структуры и фазового состава поверхностного слоя силумина, подвергнутого электронно-пучковой обработке [PDF]
, 2012 It has been shown that electron beam treatment of silumin is accompanied by the formation of multilayer submicro-and nanocrystalline structure and result in increasing the microhardness of the surface layer (towards the core) is ~ 1.5 times up to 2 ...
De Souza, Roger A. +3 more
core +2 more sources
Archives of Foundry Engineering, 2015 The work presents the effect of strontium and antimony modification on the microstructure and mechanical properties of 226 silumin casts. The performed research demonstrated that strontium causes high refinement of silicon precipitations in the eutectic ...
Szymczak T., Gumienny G., Pacyniak T.
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Archives of Foundry Engineering, 2023 The production of high pressure die casts also brings difficulties regarding the processing of the waste material. It is mainly formed by runners, overflows and other foundry supplements used and, in the case of machines using the cold chamber, also the ...
S. Gaspar +4 more
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Hypoeutectic Silumin to Pressure Die Casting with Vanadium and Tungsten
Archives of Metallurgy and Materials, 2016 The basic aim of this study is to investigate the effect of vanadium and tungsten on the crystallization process, microstructure and mechanical properties of silumin grade EN-AC 46000.
Szymczak T., Gumienny G., Pacyniak T.
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Optimization of aluminumand its alloys doping by ionic-beamplasmacoating [PDF]
, 2016 The surface morphology, chemical composition, microstructure, nanohardness, and tribological properties of systems were investigated. The paper considers the methodology offilmpplicationusingionic-beam irradiation by means of the installation'Solo' with ...
Ivanov, Yuriy Fedorovich +4 more
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Microstructure and Properties of Hypoeutectic Silumin Treated by High-Current Pulsed Electron Beams
Успехи физики металлов, 2019 The structural-phase states, microhardness, and tribological properties of hypoeutectic silumin after electron-beam treatment are studied by the methods of contemporary physical materials science.
Yu. F. Ivanov, D. V. Zagulyaev, S. A. Nevskii, V. Е. Gromov, V. D. Sarychev, A. P. Semin
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