Results 101 to 110 of about 232 (146)
Some Considerations on Improvement in the Machinability of Silumin
Journal of the Japan Institute of Metals, 1968 Shigeo Zaima, Masamichi Hirono
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Spectrographic Determination of Sodium in the Silumin Alloys
Journal of the Japan Institute of Metals, 1954 Yoshichika Ôtô +2 more
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EFFECT OF REE ON THE SOLIDIFICATION OF НYPEREUTECTIC SILUMIN
Metally, 2023The theories and mechanisms explaining the processes of primary silicon modification in hypereutectic silumins are considered. The processes of crystallization of hypereutectic silumin treated with rare-earth elements (REE): yttrium, ytterbium, samarium, erbium, lanthanum and neodymium have been studied.
I. A. Petrov, D. V. Berezhnoi
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The mechanism of the modification of silumin
Metal Science and Heat Treatment, 19701. The modifying effect of calcium is due to its deactivating influence on impurity particles that serve as solidification centers for eutectic silicon in unmodified Silumin. 2. Along with its possible influence on deactivation of impurities, the modifying effect of sodium is due to its reduction of the solidification rate of the ...
M. B. Gokhshtein, L. S. Vasil'eva
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Silumins: The Automotive Alloys
AM&P Technical Articles, 2012Abstract Aluminum-silicon (Al-Si) alloys have good castability in combination with high corrosion resistance, thermal conductivity, and specific strength, making them a strong candidate for many automotive applications. This article describes the processes used in the production of die-cast AlSi9Mg engine brackets for Volvo trucks, the ...
D. Anantha Padmanaban, Gulshan Kurien
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Hardening of Silumins by Aerothermoacoustic Treatment
Russian Metallurgy (Metally), 2018The influence of aerothermoacoustic treatment on the formation of the microstructure and the mechanical properties of cast aluminum alloys (silumins) is considered. The experimental data demonstrate that this treatment, which is included in the technological cycle of standard heat treatment or partly replacing it, increases the strength of the alloys ...
E. Yu. Remshev +4 more
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Fractographic features of the fracture of silumins
Metal Science and Heat Treatment, 19811. Fracture of silumins in static loading starts with the formation of voids around the silicon particles. The size of the voids is comparable with the size of of the particles, which is responsible for the close relationship of the fracture relief to the degree of dispersion of the structure. 2.
A. N. Burkhina, I. S. Kozlovskii
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Metallographic study on eutectic silumin
AIP Conference Proceedings, 2017The elemental and phase composition, the state of the defective substructure of eutectic silumin used for engineering were studied by the methods of scanning and transmission electron microscopy. The findings of the study show that silumin is a multiphase material and comprises, along with phases based on solid solutions of aluminum and silicon ...
Sergey Konovalov +4 more
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Structure and mechanical properties of Silumin
Metal Science and Heat Treatment, 19761. The reason for the low plasticity, and in some cases the hardness, of Silumins is the brittleness of silicon particles of lamellar form. These platelets break by splitting even with small plastic deformation of the α matrix. Because of the substantial volume of these silicon particles in the structure of the alloy they have a large effect on ...
I. Lukach, M. Shlesar, P. Khrokh
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Inhomogeneity of the ?-solid solution in silumins
Metal Science and Heat Treatment, 19881. The inhomogeneity of the β-solid solution in Al-Si alloys is related to nonuniform distribution of aluminum and oxygen in the volume of the crystals. 2. Alloying with sodium and strontium leads to redistribution of aluminum and oxygen in the crystals of the silicon-base β-solid solution. 3.
Yu. N. Taran +3 more
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