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  • 1
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    Effect of the width of the diffusion zone in multilayer lining of shaped charges on the shaping effect (1980)
    Springer
    Details
    Publication Date: 1980-11-01
    Print ISSN: 0010-5082
    Electronic ISSN: 1573-8345
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Springer
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    PAPER CURRENT
  • 2
    Electronic Resource
    Electronic Resource
    Structure and properties of SAP-1 (1963)
    Springer
    Metal science and heat treatment 5 (1963), S. 711-713 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions The sintering temperature of the briquets strongly affects the structure and the mechanical properties of semifinished products of SAP-1. The decrease of the strength, the increase of ductility, and the formation of a more perfect texture indicate that sintering at 650°C changes the structure. Possibly there is recrystallization in microvolumes which is not revealed by the x-ray method used in this investigation. The texture formed during compression and subsequent hot and cold rolling is stable up to 650°C, which indicates high stability in the material. The mechanical properties of the pressed and rolled semifinished products decrease after annealing as the result of the formation of microcracks. The annealing temperature at which the microcracks begin to appear depends on the sintering temperature of the briquets. Thus, an increase of the sintering temperature leads to more complete degassing, and this decreases the possibility of the formation of microcracks during subsequent heating, and thus widens the temperature range in which the properties of SAP remain unchanged.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00673590
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of microalloying on the structure and properties of alloys in the Al−Si−Cu system (2000)
    Springer
    Metal science and heat treatment 42 (2000), S. 241-245 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. For alloys of the Al−Si−Cu system that bear a diminished iron content the optimum alloying combination is Ti+B+Cd, which increases the dispersity of the structure and elevates the properties due to the modifying action of the alloying elements. 2. Microalloying of cast alloy AK11M5 with an alloying set of 0.17% Ti+0.04% B+0.15% Cd increases the strength by ≥25% with a simultaneous increase in the ductility.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471320
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  • 4
    Electronic Resource
    Electronic Resource
    Double quenching of the formed aluminum alloy V95och (1994)
    Springer
    Metal science and heat treatment 36 (1994), S. 330-333 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The alloy V95och is distinguished from alloy V95 by smaller content of the deleterious impurities iron and silicon, and correspondingly by smaller content of intermetallic phases that are insoluble in solid solution and impair the characteristics of reliability. This explains the higher resistance of alloy V95och to loads in structures containing stress raisers. Strengthening heat treatment of alloy V95och is carried out under conditions worked out for alloy v95. However, reduced iron and silicon content may affect, in addition to the amount of intermetallic phases insoluble in aluminum, also the position of the critical points of the alloy, and consequently the heating temperature for quenching, too. The aim of the present work is to determine the possibility of raising the heating temperature for quenching of the alloy V95och (5–7% Zn; 18–2.8% Mg; 1.4–0.25% Cr; 0.2–0.6% Mn) so as to dissolve a large amount of strengthening phases in the solid solution and to enhance the effect of strengthening during subsequent aging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01401078
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  • 5
    Electronic Resource
    Electronic Resource
    Cast composite alloy for perforator parts (1971)
    Springer
    Metal science and heat treatment 13 (1971), S. 643-646 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. The best properties were obtained for a composite with silicon carbide, for which the formation energy is low, as for all covalent crystals. It is possible to increase the wetting and adhesion capacity by creating microdefects in the crystal lattice, which breaks the covalent bonds and intensifies s-d electron transfer with the addition of active impurities. 2. Tests of the mechanical properties of various composites showed that they depend on the nature of the component, the amount, and the dispersity of the hardening particles. We determined the composition of the composite material meeting the technological and operational requirements for perforator materials. 3. It was found that the composite based on a cast aluminum alloy is quite soluble in alkali solutions at 100–150°C, which ensures removal of the explosive fragments from boreholes. 4. The combination of high strength, thermal stability, and brittleness makes it possible to recommend the new composite for casings of hollow-charge perforators, thus permitting a broader range of perforation operations and greater depth of boreholes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00651781
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of second-stage schedules of two-stage aging on the structure and properties of alloy V96Ts1 (1985)
    Springer
    Metal science and heat treatment 27 (1985), S. 501-505 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. The optimum heat treatment providing a good combination of strength properties and corrosion resistance for alloy V96Ts1 is two-stage aging by the schedule: 120°C for 3 h+ 175°C for 4 h (T2 and T3). Strength properties of the alloy in the longitudinal direction are somewhat higher than in the transverse direction as a result of the press effect. 2. Strengthening of alloy V96Ts1 proceeds as a result of η- and T-phase, and the amount of T-phase in the alloy is much less than η-phase. 3. With a changeover from phase to coalescence aging the corrosion resistance of alloy V96Ts1 increases, and this is connected with formation of stable η- and T-phase particles and with an increase in the distance between particles and also with their intense precipitation within grains, as a result of which the difference in potential between grains and grain boundary zones is reduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00699578
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  • 7
    Electronic Resource
    Electronic Resource
    Triboengineering properties of aluminum alloys with a coating of titanium nitride (1996)
    Springer
    Metal science and heat treatment 38 (1996), S. 220-223 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Aluminum alloys have good adaptability to manufacture combined with a low density and high operating properties. However, the majority of aluminum alloys, including high-strength ones, have low triboengineering properties, which restricts their use in friction members. Possible methods for improving these properties are a subject of interest for investigation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01397024
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  • 8
    Electronic Resource
    Electronic Resource
    Phase transformations during crystallization of the MVTU-1 aluminum alloy for casting under pressure (1963)
    Springer
    Metal science and heat treatment 5 (1963), S. 706-708 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions 1. Casting of the MVTU-1 alloy under pressure quenches the alloy from the liquid state, and therefore the cast alloy has a metastable structure. 2. Aging of the alloy occurs as the result of the precipitation of CuAl2 and Mg2Si from the aluminum solid solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00673588
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  • 9
    Electronic Resource
    Electronic Resource
    Properties of aluminum alloys with a titanium nitride coating (1994)
    Springer
    Metal science and heat treatment 36 (1994), S. 308-312 
    Details
    ISSN: 1573-8973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The creation of a titanium nitride coating on the surface of articles is one of the most effective methods of enhancing the wear resistance of materials. This coating is also promising from the standpoint of the possibility of achieving high hardness, strength, and simultaneously good protective-and-decorative surface properties. We investigated the possibility of improving the tribotechnical characteristics and corrosion resistance of the widely known aluminum alloys PV-90, D16, and 1420 using the titanium nitride coatings applied by the ionplasma method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01401073
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of the width of the diffusion zone in multilayer lining of shaped charges on the shaping effect (1981)
    Springer
    Combustion, explosion and shock waves 16 (1981), S. 660-663 
    Details
    ISSN: 1573-8345
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00741514
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