1–20 von 2,036 Ergebnissen
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    New high-strength aluminum alloy on the basis of secondary materials

    Freier Zugriff
    M. A. Barykin / E. A. Naumova / N. A. Belov et al. | DOAJ | 2024
    of obtaining products from high-strength and high-tech aluminum-calcium alloy based on secondary raw materials without the use of ...
    Verlag: Samara National Research University

    Effective volume of short carbon fibers in a composite from chopped thin tapes

    Freier Zugriff
    V. A. Komarov / R. F. Abdullayev | DOAJ | 2024
    problem is posed to analytically determine the elastic and strength characteristics of the composite with a known minimum set of basic ...
    Verlag: Samara National Research University
    Schlagwörter: strength

    Complexly alloyed titanium alloys research performed by fusion welding

    Freier Zugriff
    Oleksiі Fedosov / Olena Karpovych / Ivan Karpovych | DOAJ | 2024
    ; to study the effect of electron beam welding on the materials properties, such as strength, crack resistance, and corrosion resistance ...
    Verlag: National Aerospace University «Kharkiv Aviation Institute»

    Determination of natural frequencies and forms of turbine blade oscillations made of an alloy based on titanium aluminide

    Freier Zugriff
    Olha Halienkova / Olexander Ovchinnikov / Ruslan Shakalo et al. | DOAJ | 2024
    set of physical and mechanical characteristics. Alloys based on aluminide are characterized by low density, high heat strength, and heat ...
    Verlag: National Aerospace University «Kharkiv Aviation Institute»

    Features of titanium alloy man pipelines electron beam welding

    Freier Zugriff
    Oleksiі Fedosov / Olena Karpovych / Ivan Karpovych | DOAJ | 2024
    Titanium alloys have high strength and satisfactory weldability. They are widely used in the production of aircrafts and other structural ...
    Verlag: National Aerospace University «Kharkiv Aviation Institute»

    Influence of wheel rotation resistance on oscillatory phenomena in steering drive of electric bus with electromechanical amplifier

    Freier Zugriff
    Bohdan Kindratskyy / Roman Litvin | DOAJ | 2024
    strength in the windings of the rotor and stator of the electric motor, the angle of rotation of the steered wheels as a function of time was ...
    Verlag: Lviv Polytechnic National University

    Comparison of the strength of trend presence criteria in time series

    Freier Zugriff
    Volodymyr Myrhorod / Iryna Hvozdeva | DOAJ | 2023
    stationary. But it is the statistical level of such errors that actually determines the strength of the criteria for the presence of a trend in the ...
    Verlag: National Aerospace University «Kharkiv Aviation Institute»

    Special features of assessing the strength of nuclear reactor equipment under dynamic loads

    Freier Zugriff
    K. A. Lonin / V. A. Panov / V. L. Patrushev et al. | DOAJ | 2023
    The paper presents tasks and approaches to their solutions in assessing vibration strength and dynamic safety of marine reactor equipment ...
    Verlag: Samara National Research University
    Schlagwörter: vibration strength

    Study of the effect of the gas temperature of the cold gas dynamic spraying process on the adhesion strength of nickel-containing coatings

    Freier Zugriff
    Oleksandr Shorinov / Anatolii Dolmatov / Sergii Polyviany et al. | DOAJ | 2023
    The subject of the research is the influence of low-pressure cold spraying process parameters on the adhesive strength of the coatings. The ...
    Verlag: National Aerospace University «Kharkiv Aviation Institute»

    Risk of Impaired Performance Due to Reduced Muscle Mass, Strength &, Endurance (Short Title: Muscle) and Risk of Reduced Physical Performance Capabilities Due to Reduced Aerobic Capacity (Short Title: Aerobic)

    Eric Rivas / Nicole Strock / E. Lichar Dillon et al. | NTRS | 2023
    to the submaximal and maximal capacity of the aerobic (VO2peak), skeletal muscle (strength and endurance) systems. Maintaining astronaut ...
    Verlag: NASA National Aeronautics and Space Administration

    Exploratory analysis of hybrid polymer metal-composite structures

    Freier Zugriff
    V. I. Khaliulin / P. A. Petrov / V. A. Kostin et al. | DOAJ | 2023
    infusion. The results of experimental evaluation of the tensile strength of composites reinforced only with wire, as well as hybrid samples with ...
    Verlag: Samara National Research University
    Schlagwörter: strength

    Thermal treatment effect on the mechanical properties of 1570, 1580 and 1590 aluminum alloys

    Freier Zugriff
    E. V. Aryshensky / V. Yu. Aryshensky / A. М. Drits et al. | DOAJ | 2023
    yield strength, tensile strength and relative elongation of the alloys under investigation was analyzed. Mechanical properties were determined ...
    Verlag: Samara National Research University

    Substantiation of the Design Features of Sandwich Panels for Container Wall Lining

    Freier Zugriff
    G. L. Vatulia / A. O. Lovska / S. S. Myamlin et al. | DOAJ | 2023
    size 1SS. Methodology. To ensure the strength of the container walls, it is proposed to use sandwich panels as their components. This involves ...
    Verlag: Dnipro National University of Railway Transport named after Academician V. Lazaryan
    Schlagwörter: sandwich panel strength

    An Engineering Guide to Lunar Geotechnical Properties

    John Connolly / W David Carrier | NTRS | 2023
    fundamental geotechnical properties such as particle size distribution, particle shape, bulk density, shear strength, cohesion and bearing strength ...
    Verlag: NASA National Aeronautics and Space Administration

    NASA Hypersonic Technology Project (HTP) Sic/Sic Research for Hypersonic Airframe Hot Structures

    D. E. Glass / B. A. Kubitschek / J. M. Chenenko | NTIS | 2023
    -specific-strength, high-temperature, reusable structures. In the sub-sonic and super-sonic flight regimes, high-specific-strength structures can be ...
    Verlag: National Aeronautics and Space Administration, Washington, DC.

    Temporal Changes in Astronauts’ Muscle and Cardiorespiratory Physiology Before, During, and After Spaceflight

    N. Strock / B. Prejean / A. Varanoske et al. | NTIS | 2023
    bone mineral density, reduces muscle mass and strength, and ultimately diminishes tolerance for physical activity. Although exercise can help ...
    Verlag: National Aeronautics and Space Administration, Washington, DC.

    Engineering Guide to Lunar Geotechnical Properties

    J. Connolly / W. D. Carrier | NTIS | 2023
    fundamental geotechnical properties such as particle size distribution, particle shape, bulk density, shear strength, cohesion and bearing strength ...
    Verlag: National Aeronautics and Space Administration, Washington, DC.

    Development of Directed Energy Deposited NASA HR-1 to Optimize Properties for Liquid Rocket Engine Applications

    P S Chen / C C Katsarelis / W M Medders et al. | NTRS | 2023
    -strength Fe-Ni based superalloy, NASA HR-1 was designed to resist high pressure hydrogen environment embrittlement, oxidation, and corrosion ...
    Verlag: NASA National Aeronautics and Space Administration

    Stress -strain state of adhesive joint, that has a longitudinal defect

    Freier Zugriff
    Sergiy Kurennov / Kostiantyn Barakhov | DOAJ | 2023
    In adhesive joints, one has to face the phenomenon of non-adhesive. It is known that non-adhesive reduces the strength of such joints ...
    Verlag: National Aerospace University «Kharkiv Aviation Institute»

    A science mapping-based review of work-related musculoskeletal disorders among construction workers

    Antwi-Afari, Maxwell Fordjour / Li, Heng / Chan, Alan Hoi Shou et al. | Elsevier | 2023
    Verlag: National Safety Council and Elsevier Ltd